Working internationally
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For teams with recurring workflows

AI agents: assistants that do not just answer, but act

An assistant that finds knowledge is half the job. An agent creates the ticket, starts the workflow and writes the result back into the system - with clear limits, logging and approvals where it matters.

What an agent delivers

Actions instead of answers

Tickets, scheduling, data queries, workflow triggers - the agent uses your existing APIs and systems (Zammad, n8n, ERP, CRM).

Guardrails built in

Allowed actions are explicitly defined, critical steps require human approval, and every action is logged - traceable by ID.

On your stack

Built on the open stack (LiteLLM, Langfuse, your APIs), operated by us, in an EU cloud or on your hardware. The agent belongs to you.

Use cases

Where agents take work off your desk today

The common pattern: requests arrive unstructured, a human sorts them, and the actual task is the same repeated action in another system.

Support intake

Trigger: An email describes a problem in the sender's own words.

Agent: The agent classifies it, creates the ticket in Zammad with the right category and priority, attaches known solution articles and acknowledges receipt.

Quote preparation

Trigger: An enquiry names requirements across several services.

Agent: The agent pulls the matching building blocks from your catalogue, drafts a quote and submits it for approval - nothing is ever sent without a human.

Onboarding and provisioning

Trigger: A new employee or customer needs access.

Agent: The agent triggers provisioning through existing automation (n8n, Ansible, API), checks the status and reports deviations instead of glossing over them.

Data upkeep between systems

Trigger: Information sits in one system and is missing in another.

Agent: The agent reconciles, fills missing fields by defined rules and flags conflicts for clarification instead of overwriting blindly.

Scheduling and callbacks

Trigger: Someone wants a conversation but only gives rough time windows.

Agent: The agent checks calendars, proposes slots and books after confirmation - including the context of what it is about.

Recurring reports

Trigger: The same question against the same data every week.

Agent: The agent pulls the numbers via API, sanity-checks them and files the report - flagging values that fall outside the expected range.

How it works

How an agent actually operates

Not a model roaming freely through your systems - a controlled chain with defined tools.

1

Understand the request

The agent reads the request and maps it to a known task. If nothing fits, it asks or hands over to a human - it does not improvise.

2

Gather context

Via RAG or direct queries it pulls what it needs to decide: customer data, history, rules. Permissions apply as with the internal assistant.

3

Choose a tool

From a fixed list of allowed actions it picks the right one and fills the parameters. What is not on the list does not exist for the agent.

4

Request approval

For critical steps - money, external effect, deletions - the agent stops and puts the proposal to a human. You define the threshold.

5

Execute and log

The action runs through your API. Request, context, chosen tool, parameters and result land in the log with a trace ID.

6

Report back

The agent reports the result - including failures. Silent errors are the most expensive failure mode, so they surface.

Guardrails

What can go wrong - and what we build against it

The concern about agents is legitimate. It can be answered with architecture, not with optimism.

RiskCountermeasure
The agent performs an action nobody wantedIt only knows explicitly defined tools. What is not implemented cannot be called - there is no generic system access.
Wrong parameters, right actionParameters are validated against a schema before the API sees them. Invalid values trigger a question, not an attempt.
Excessive permissionsThe agent gets its own technical account with minimal rights - not the user's rights and no admin rights.
Nobody notices what happenedEvery action is logged with trace ID, timestamp, trigger and result. The log lives in your system and is part of the handover.
An error repeats endlesslyRetries are capped, loops break, and the case lands with a human instead of in an infinite loop.
Prompt injection via incoming contentContent from emails or documents is treated as data, not as instructions. Tool selection and approval logic never depend on the sender's text.
Integrations

What an agent connects to

Anything with an API. These systems we integrate in projects or operate ourselves:

Ticketing & service

Zammad, Chatwoot, mail inboxes

Automation

n8n, Node-RED, webhooks, custom scripts

Business systems

ERP and CRM via REST, ERPNext, Odoo

Data

PostgreSQL, APIs, file storage, Nextcloud

Calendar & communication

CalDAV, Cal.eu, Mattermost, SMTP

Infrastructure

Proxmox, Ansible, monitoring APIs

Where the lines are

Chatbot, workflow, agent - three different things

Marketing conflates the three. The difference is not the technology but who determines the path - and what happens when something goes wrong.

What it doesWho determines the pathWhat a mistake costs
ChatbotAnswers from existing content. Changes nothing.Nobody - there is no path, only an answer.A wrong answer. Annoying, but reversible.
WorkflowRuns a chain of steps: open a ticket, send mail, write a record.You, in advance. The sequence is hard-wired; at most the model fills in fields.The sequence breaks or runs through with wrong values. Reproducible and therefore fixable.
AgentDecides for itself, within set boundaries, which tools to use and in which order.The model, at runtime. You set the boundaries, not the route.A wrong action in the target system - and it was not predicted. That is why approval belongs here.

Most projects that come in asking for an agent are workflows. That is not bad news: a workflow is cheaper, finished sooner and easier to audit. We tell you that in the first conversation rather than selling the more expensive build.

Identity

Whose account does the agent act under?

This is the question missing from tender documents and the first one that hurts in production. An agent that acts needs an identity in the target system - and that determines what a single user can trigger through it.

01

One service account for everything

The easy route: the agent gets a technical account holding every permission it might ever need. The problem is the union - through the agent, any user can indirectly trigger anything the service account is entitled to, including things they would not be entitled to themselves.

Only defensible if the agent does nothing that everyone may trigger anyway.

02

Pass through the requester's identity

The agent acts on behalf of the user who started it and inherits their rights in the target system. Someone who may not open a ticket in that queue cannot do it through the agent either. This costs more, because the target system has to support delegated identities - and it is the normal case we build.

The default. Rights stay where they are maintained.

03

A separate account per task

For actions nobody should trigger personally - nightly runs, system maintenance - the agent gets its own narrowly scoped account per task instead of one all-powerful account.

For unattended runs. One account per task, not one for all.

Either way, both are logged: who triggered the action and under which identity it was carried out. Without those two facts, there is no way afterwards to establish who is answerable for what.

Legal frame

What the EU AI Act means for an agent

As orientation, not legal advice - and reflecting the position after the Digital Omnibus, in force since 27 July 2026.

Transparency already applies

Since 2 August 2026 the transparency duties apply: anyone interacting with an AI system has to be able to tell. For an agent that means not only a note in the chat but also that an action it triggers stays recognisable as such - an email that looks as though a person wrote it is the mistake.

High risk is deferred, not lifted

The Digital Omnibus moved the high-risk duties under Annex III to 2 December 2027 and those under Annex I to 2 August 2028. Anyone planning an agent in HR, lending or similarly classified areas gains time - not a reprieve.

Human oversight is a build decision

Oversight cannot be retrofitted. It comes from critical steps requiring approval and from a named person who grants it. That belongs in the architecture, not in a policy document.

Logging happens in operations

What was not recorded cannot be evidenced later. We log every action with trigger, identity, tool and outcome - on your infrastructure, not with a provider who mines it for their own purposes.

Most business agents fall not under high risk but under transparency and documentation. Which class applies to your case is for your legal advisers - we supply the technical description their assessment rests on.

Interface

How the agent reaches your systems

An agent without tools is a chatbot. The question is how the tools are connected - and whether you keep that connection when you change the model.

Model Context Protocol

MCP is an open standard through which a model addresses tools and data sources uniformly. The benefit to you is not the technology but the decoupling: an MCP server built once for your ticket system keeps working when you swap the model underneath - as long as the new environment speaks MCP, which the common assistants and editors now do.

Your existing APIs

Where an interface already exists - Zammad, n8n, ERP, CRM - we use it. We do not build a parallel world and do not require you to rebuild your systems so an agent can talk to them.

A tool catalogue, not full access

The agent gets a named list of permitted tools with defined parameters - not a database login and the hope that it behaves. What is not in the catalogue does not exist for it.

Traceable through Langfuse

Every run is recorded as a trace: which tools in which order, with which parameters, with which result. That is the basis for reconstructing an incident rather than guessing at it.

Scope

When you do not need an agent

We would rather build a smaller system that holds than a large one nobody switches on.

The process is always identical

Then a classic workflow (n8n, script) is cheaper, faster and easier to debug. An agent pays off once the intake is unstructured.

There is no API

Where only a UI exists, any automation stays fragile. The honest order is: interface first, then agent.

The task is rare

Ten cases a year do not justify automation with maintenance overhead - the human wins there.

The data situation is unclear

If nobody can say which system holds the truth, an agent only automates the confusion. Clean up first, then automate.

Honestly upfront: not every process needs an agent. If a form or a fixed workflow is enough, we will say so - an agent pays off where requests arrive unstructured and a human currently sorts them.

Packages

What an agent project costs

Analysis

individualone-off
  • Process and system assessment
  • Feasibility per use case
  • Tool and permission concept
  • Written effort estimate

First agent

individualone-off
  • One use case in production
  • Tools, validation, approval logic
  • Logging and monitoring
  • Handover with documentation

Operations

individualrecurring
  • Hosting and model updates
  • Monitoring of actions
  • Adjustments when systems change
  • Reporting and refinement

Further use cases on the same stack cost considerably less than the first - tools, permissions and logging are already in place.

Ownership guarantee

The stack belongs to you - not us

  • Open stack: Open WebUI, vLLM, LiteLLM, Qdrant, Langfuse
  • Handover package included: IaC, runbooks, documentation, training
  • Operations optional and cancellable - self-takeover is a documented path

Runs where you want

WZ-IT infrastructure
EU cloud (Hetzner, IONOS, STACKIT)
Your hardware / AI Cube
See the operations layer: monitoring, updates, SLA →

Frequently asked questions about AI agents

Answers to the most important questions

A chatbot answers questions. An agent executes actions: it creates the ticket, books the appointment, queries the database or triggers the n8n workflow - and reports the result back. Defined tools draw the line, not the model.

Through architecture instead of hope: the agent can only execute explicitly approved actions with validated parameters, critical steps require human confirmation, and every action is logged with a trace ID. What is not defined cannot be done.

Anything with an API: ticket systems like Zammad, workflows via n8n, ERP and CRM systems, databases, email and calendars. Integration runs through defined tools with clear permissions per agent.

Incoming content is treated as data, not as instructions. The agent selects tools based on the defined task, not on text inside a document - and critical actions require approval anyway. On top of that, such an attempt is visible in the log.

Yes. The stack runs on European infrastructure or your hardware, with a European model (Mistral) or local models. Action logs stay in your system and are part of the handover.

We quote after the intro call, because effort and scope depend heavily on the use case. You receive a written effort estimate before you commit. Further use cases on the same stack cost considerably less, because tools, permission concept and logging already exist.

Yes, that is the recommended path. Internal assistant and agent share the same stack (LiteLLM, Langfuse, knowledge base) - tools and approvals are added as a layer, without a rebuild.

After the analysis, typically three to six weeks to the first production use case - depending on how accessible the target systems are. The bottleneck is almost never the model, it is the interface.

Free intro call

Which process at your company?

  • Straight with Timo and Robin - no sales team, no pitch
  • An honest take, including when we are not the right fit
  • Concrete next steps for infrastructure, software or AI

No risk: worst case, you leave with a clearer understanding of your project than before.

Timo and Robin, founders of WZ-IT
Jakob Öschlberger
WZ-IT's advice on our Azure migration was technically sound and completely non-binding right from the intro call - we took away a great deal.
Jakob ÖschlbergerInno7 GmbH
Reviews

One AI reference - and the foundation beneath it

ml&s speaks about integrating a local AI solution. The other voices cover architecture, data sovereignty and operations - exactly the maturity an AI project needs to reach production.

  • ml&s
  • DGHO e.V.
  • Annota
  • Golem.de
  • Stadtwerke Brühl
  • ABCO Water Systems
  • CORGOS
  • Rekorder
  • Keymate
  • Führerscheinmacher
  • SolidProof
  • ARGE
  • Boese VA
  • nextGYM
  • Maho Management
  • Millenium
  • Paritel
  • Yonju
  • EVADXB
  • Mr. Clipart
  • Aphy AG
  • Negosh
  • Odiseo Solutions
  • AInergy
H
GermanyLocal AI IntegrationTechnical IntegrationImplementation
While looking for a partner to integrate a local AI solution, we came across Timo and Robin - and could not have made a better decision. They quickly understood our requirements and solved technical challenges competently and pragmatically. We were particularly impressed by the straightforward collaboration, their high level of expertise and the speed of implementation. We are delighted to have Timo and Robin at our side as reliable business partners and look forward to our next projects together. (translated)

Henrik Jeche

Head of IT Administration

ml&s - full-service provider for the electronics industry.

ml&s
Integrate a local AI solution
Christoph Mußmann
GermanyInfrastructure ModernizationData SovereigntyGDPRDocumentation
Communication with WZ-IT was open, friendly and professional from the very beginning. Mr. Wevelsiep and Mr. Zins responded to every one of our questions patiently, promptly and respectfully, and contributed their own suggestions and good ideas on how to modernize our server infrastructure and adapt it even better to our needs. Throughout, WZ-IT consistently kept our need for data sovereignty and GDPR compliance in mind. Even short-notice adjustments and change requests from our side were implemented quickly and patiently and integrated consistently into the overall concept. From planning to the final handover, every step was documented transparently and comprehensively - so if a provider change should ever become necessary, the documentation would let us onboard a successor into our infrastructure very quickly. We are extremely satisfied with WZ-IT and hope to continue working together for a long time.

Christoph Mußmann

Project Officer, DGHO e.V.

DGHO - German Society for Hematology and Medical Oncology.

DGHO e.V.
Modernize your infrastructure - sovereign
Matthias Zimmermann
GermanyOpen Source ArchitectureImplementationTechnical Consulting
We have had very good experiences with Mr. Wevelsiep and WZ-IT. The consultation was professional, clearly understandable, and at fair prices. The team not only implemented our requirements but also thought along and proactively. Instead of just processing individual tasks, they provided us with well-founded explanations that strengthened our own understanding. WZ-IT took a lot of pressure off us with their structured approach - that was exactly what we needed and is the reason why we keep coming back. (translated)

Matthias Zimmermann

Managing Director, Annota GmbH

Annota - healthtech startup with an AI documentation assistant.

Annota
Design an open-source AI architecture
Andrea Pawlowski
GermanyArchitecture ConsultingSovereign Software SelectionOpen Source Strategy
I got to know Timo and Robin as dedicated and professional partners who make a lot of things possible for their clients that initially seem impossible. I felt very well advised. The services offered have thoroughly convinced me. (translated)

Andrea Pawlowski

Communications Manager, Golem.de

Golem.de - leading German IT news outlet.

Golem.de
Plan a sovereign open-source stack
Pascal Block
GermanyProxmox & BackupProxmoxBackupDocumentation
Professional, honest and technically thoroughly sound: WZ-IT set up our Proxmox and backup infrastructure securely and future-proof. The consulting from Timo and Robin was objective and needs-driven, the implementation smooth and the final documentation exemplary. You can tell immediately that business-critical infrastructure is thought through holistically from the outset here and implemented with clear ownership.

Pascal Block

Project Manager, Stadtwerke Brühl GmbH

Stadtwerke Brühl - municipal energy and infrastructure utility.

Stadtwerke Brühl GmbH
Secure your Proxmox & backup setup
Sonja Aßer
GermanySoftware DevelopmentPHP ModernizationAPI Extension
With Timo and Robin, you're not only on the safe side technically - you also get the best human support! Whether it's quick help in everyday life or complex IT solutions: the guys from WZ-IT think along with you, act quickly and speak a language you understand. The collaboration is uncomplicated, reliable and always on an equal footing. That makes IT fun - and above all: it works! Big thank you to the team! (translated)

Sonja Aßer

Data Manager, ARGE

ARGE Neue Medien - master data & digital standards for plumbing and building technology.

ARGE
Modernize your legacy software
Aleksandr Shuliko
UAECloud MigrationAWS ExitProxmox81% Cost Reduction
I recently worked with Timo and the WZ-IT team, and honestly, it turned out to be one of the best tech decisions I have made for my business. Right from the start, Timo took the time to walk me through every step in a simple and calm way. No matter how many questions I had, he never rushed me. The results speak for themselves. With WZ-IT, we reduced our monthly expenses from $1,300 down to $250. This was a huge win for us.

Aleksandr Shuliko

CTO, EVA Real Estate

EVA Real Estate - leading real-estate agency in Dubai.

EVA Real Estate
Cut cloud cost - up to −81%
Pascal Hakkers
SwitzerlandManaged ProxmoxClusterMonitoringHigh Availability
WZ-IT manages our Proxmox cluster reliably and professionally. The team handles continuous monitoring and regular updates for us and responds very quickly to any issues or inquiries. They also configure new nodes, systems, and applications that we need to add to our cluster. With WZ-IT's proactive support, our cluster and the business-critical applications running on it remain stable, and high availability is consistently ensured. We value the professional collaboration and the noticeable relief it brings to our daily operations.

Pascal Hakkers

Aphy AG

Aphy AG - AI platform for hotel back-office.

Aphy AG
Build a high-availability Proxmox cluster
John Hellmerichs
GermanyProxmox & VirtualizationBackupVPNSecurity
WZ-IT provided very competent support in implementing our server and virtualization infrastructure. As part of the project, a Proxmox-based virtualization environment was set up along with a virtual machine for our application systems. Additionally, a structured backup concept was implemented. A particular focus was on security: the setup of a VPN tunnel and the clean implementation of encryption and access concepts were professionally executed. The structured consulting as well as the reliable and swift implementation deserve special mention. We are very satisfied with the services provided and are happy to recommend WZ-IT.

John Hellmerichs

Managing Director, AInergy GmbH

AInergy - consultancy for energy and facility management.

AInergy GmbH
Virtualize with Managed Proxmox
Sebastian Maier
BulgariaSovereign CollaborationOpen Source StackOperationsMaintenance
Timo and Robin from WZ-IT set up a RocketChat server for us - and I couldn't be more satisfied! From the initial consultation to the final implementation, everything was absolutely professional, efficient, and to my complete satisfaction. I particularly appreciate the clear communication, transparent pricing, and the comprehensive expertise that both bring to the table. Even after the setup, they take care of the maintenance, which frees up my time enormously and allows me to focus on other important areas of my business - with the good feeling that our IT is in the best hands. I can recommend WZ-IT without reservation and look forward to continuing our collaboration! (translated)

Sebastian Maier

Managing Director, Yonju GmbH

Yonju - business coaching and AI products.

Yonju
Get collaboration fully managed
Gabriel Sanz Señor
SpainProduction DeploymentCI/CDPaaSOperations
Counting on WZ-IT team was crucial, their expertise and solutions gave us the pace to deploy in production our services, even suggesting and performing improvements over our configuration and setup. We expect to keep counting on them for continuous maintenance of our services and implementation of new solutions.

Gabriel Sanz Señor

Managing Director, Odiseo Solutions

Odiseo Solutions - software engineering for the space industry.

Odiseo Solutions
Ship your prototype to production
H
GermanyLocal AI IntegrationTechnical IntegrationImplementation
While looking for a partner to integrate a local AI solution, we came across Timo and Robin - and could not have made a better decision. They quickly understood our requirements and solved technical challenges competently and pragmatically. We were particularly impressed by the straightforward collaboration, their high level of expertise and the speed of implementation. We are delighted to have Timo and Robin at our side as reliable business partners and look forward to our next projects together. (translated)

Henrik Jeche

Head of IT Administration

ml&s - full-service provider for the electronics industry.

ml&s
Integrate a local AI solution
Christoph Mußmann
GermanyInfrastructure ModernizationData SovereigntyGDPRDocumentation
Communication with WZ-IT was open, friendly and professional from the very beginning. Mr. Wevelsiep and Mr. Zins responded to every one of our questions patiently, promptly and respectfully, and contributed their own suggestions and good ideas on how to modernize our server infrastructure and adapt it even better to our needs. Throughout, WZ-IT consistently kept our need for data sovereignty and GDPR compliance in mind. Even short-notice adjustments and change requests from our side were implemented quickly and patiently and integrated consistently into the overall concept. From planning to the final handover, every step was documented transparently and comprehensively - so if a provider change should ever become necessary, the documentation would let us onboard a successor into our infrastructure very quickly. We are extremely satisfied with WZ-IT and hope to continue working together for a long time.

Christoph Mußmann

Project Officer, DGHO e.V.

DGHO - German Society for Hematology and Medical Oncology.

DGHO e.V.
Modernize your infrastructure - sovereign
Matthias Zimmermann
GermanyOpen Source ArchitectureImplementationTechnical Consulting
We have had very good experiences with Mr. Wevelsiep and WZ-IT. The consultation was professional, clearly understandable, and at fair prices. The team not only implemented our requirements but also thought along and proactively. Instead of just processing individual tasks, they provided us with well-founded explanations that strengthened our own understanding. WZ-IT took a lot of pressure off us with their structured approach - that was exactly what we needed and is the reason why we keep coming back. (translated)

Matthias Zimmermann

Managing Director, Annota GmbH

Annota - healthtech startup with an AI documentation assistant.

Annota
Design an open-source AI architecture
Andrea Pawlowski
GermanyArchitecture ConsultingSovereign Software SelectionOpen Source Strategy
I got to know Timo and Robin as dedicated and professional partners who make a lot of things possible for their clients that initially seem impossible. I felt very well advised. The services offered have thoroughly convinced me. (translated)

Andrea Pawlowski

Communications Manager, Golem.de

Golem.de - leading German IT news outlet.

Golem.de
Plan a sovereign open-source stack
Pascal Block
GermanyProxmox & BackupProxmoxBackupDocumentation
Professional, honest and technically thoroughly sound: WZ-IT set up our Proxmox and backup infrastructure securely and future-proof. The consulting from Timo and Robin was objective and needs-driven, the implementation smooth and the final documentation exemplary. You can tell immediately that business-critical infrastructure is thought through holistically from the outset here and implemented with clear ownership.

Pascal Block

Project Manager, Stadtwerke Brühl GmbH

Stadtwerke Brühl - municipal energy and infrastructure utility.

Stadtwerke Brühl GmbH
Secure your Proxmox & backup setup
Sonja Aßer
GermanySoftware DevelopmentPHP ModernizationAPI Extension
With Timo and Robin, you're not only on the safe side technically - you also get the best human support! Whether it's quick help in everyday life or complex IT solutions: the guys from WZ-IT think along with you, act quickly and speak a language you understand. The collaboration is uncomplicated, reliable and always on an equal footing. That makes IT fun - and above all: it works! Big thank you to the team! (translated)

Sonja Aßer

Data Manager, ARGE

ARGE Neue Medien - master data & digital standards for plumbing and building technology.

ARGE
Modernize your legacy software
Aleksandr Shuliko
UAECloud MigrationAWS ExitProxmox81% Cost Reduction
I recently worked with Timo and the WZ-IT team, and honestly, it turned out to be one of the best tech decisions I have made for my business. Right from the start, Timo took the time to walk me through every step in a simple and calm way. No matter how many questions I had, he never rushed me. The results speak for themselves. With WZ-IT, we reduced our monthly expenses from $1,300 down to $250. This was a huge win for us.

Aleksandr Shuliko

CTO, EVA Real Estate

EVA Real Estate - leading real-estate agency in Dubai.

EVA Real Estate
Cut cloud cost - up to −81%
Pascal Hakkers
SwitzerlandManaged ProxmoxClusterMonitoringHigh Availability
WZ-IT manages our Proxmox cluster reliably and professionally. The team handles continuous monitoring and regular updates for us and responds very quickly to any issues or inquiries. They also configure new nodes, systems, and applications that we need to add to our cluster. With WZ-IT's proactive support, our cluster and the business-critical applications running on it remain stable, and high availability is consistently ensured. We value the professional collaboration and the noticeable relief it brings to our daily operations.

Pascal Hakkers

Aphy AG

Aphy AG - AI platform for hotel back-office.

Aphy AG
Build a high-availability Proxmox cluster
John Hellmerichs
GermanyProxmox & VirtualizationBackupVPNSecurity
WZ-IT provided very competent support in implementing our server and virtualization infrastructure. As part of the project, a Proxmox-based virtualization environment was set up along with a virtual machine for our application systems. Additionally, a structured backup concept was implemented. A particular focus was on security: the setup of a VPN tunnel and the clean implementation of encryption and access concepts were professionally executed. The structured consulting as well as the reliable and swift implementation deserve special mention. We are very satisfied with the services provided and are happy to recommend WZ-IT.

John Hellmerichs

Managing Director, AInergy GmbH

AInergy - consultancy for energy and facility management.

AInergy GmbH
Virtualize with Managed Proxmox
Sebastian Maier
BulgariaSovereign CollaborationOpen Source StackOperationsMaintenance
Timo and Robin from WZ-IT set up a RocketChat server for us - and I couldn't be more satisfied! From the initial consultation to the final implementation, everything was absolutely professional, efficient, and to my complete satisfaction. I particularly appreciate the clear communication, transparent pricing, and the comprehensive expertise that both bring to the table. Even after the setup, they take care of the maintenance, which frees up my time enormously and allows me to focus on other important areas of my business - with the good feeling that our IT is in the best hands. I can recommend WZ-IT without reservation and look forward to continuing our collaboration! (translated)

Sebastian Maier

Managing Director, Yonju GmbH

Yonju - business coaching and AI products.

Yonju
Get collaboration fully managed
Gabriel Sanz Señor
SpainProduction DeploymentCI/CDPaaSOperations
Counting on WZ-IT team was crucial, their expertise and solutions gave us the pace to deploy in production our services, even suggesting and performing improvements over our configuration and setup. We expect to keep counting on them for continuous maintenance of our services and implementation of new solutions.

Gabriel Sanz Señor

Managing Director, Odiseo Solutions

Odiseo Solutions - software engineering for the space industry.

Odiseo Solutions
Ship your prototype to production
H
GermanyLocal AI IntegrationTechnical IntegrationImplementation
While looking for a partner to integrate a local AI solution, we came across Timo and Robin - and could not have made a better decision. They quickly understood our requirements and solved technical challenges competently and pragmatically. We were particularly impressed by the straightforward collaboration, their high level of expertise and the speed of implementation. We are delighted to have Timo and Robin at our side as reliable business partners and look forward to our next projects together. (translated)

Henrik Jeche

Head of IT Administration

ml&s - full-service provider for the electronics industry.

ml&s
Integrate a local AI solution
Christoph Mußmann
GermanyInfrastructure ModernizationData SovereigntyGDPRDocumentation
Communication with WZ-IT was open, friendly and professional from the very beginning. Mr. Wevelsiep and Mr. Zins responded to every one of our questions patiently, promptly and respectfully, and contributed their own suggestions and good ideas on how to modernize our server infrastructure and adapt it even better to our needs. Throughout, WZ-IT consistently kept our need for data sovereignty and GDPR compliance in mind. Even short-notice adjustments and change requests from our side were implemented quickly and patiently and integrated consistently into the overall concept. From planning to the final handover, every step was documented transparently and comprehensively - so if a provider change should ever become necessary, the documentation would let us onboard a successor into our infrastructure very quickly. We are extremely satisfied with WZ-IT and hope to continue working together for a long time.

Christoph Mußmann

Project Officer, DGHO e.V.

DGHO - German Society for Hematology and Medical Oncology.

DGHO e.V.
Modernize your infrastructure - sovereign
Matthias Zimmermann
GermanyOpen Source ArchitectureImplementationTechnical Consulting
We have had very good experiences with Mr. Wevelsiep and WZ-IT. The consultation was professional, clearly understandable, and at fair prices. The team not only implemented our requirements but also thought along and proactively. Instead of just processing individual tasks, they provided us with well-founded explanations that strengthened our own understanding. WZ-IT took a lot of pressure off us with their structured approach - that was exactly what we needed and is the reason why we keep coming back. (translated)

Matthias Zimmermann

Managing Director, Annota GmbH

Annota - healthtech startup with an AI documentation assistant.

Annota
Design an open-source AI architecture
Andrea Pawlowski
GermanyArchitecture ConsultingSovereign Software SelectionOpen Source Strategy
I got to know Timo and Robin as dedicated and professional partners who make a lot of things possible for their clients that initially seem impossible. I felt very well advised. The services offered have thoroughly convinced me. (translated)

Andrea Pawlowski

Communications Manager, Golem.de

Golem.de - leading German IT news outlet.

Golem.de
Plan a sovereign open-source stack
Pascal Block
GermanyProxmox & BackupProxmoxBackupDocumentation
Professional, honest and technically thoroughly sound: WZ-IT set up our Proxmox and backup infrastructure securely and future-proof. The consulting from Timo and Robin was objective and needs-driven, the implementation smooth and the final documentation exemplary. You can tell immediately that business-critical infrastructure is thought through holistically from the outset here and implemented with clear ownership.

Pascal Block

Project Manager, Stadtwerke Brühl GmbH

Stadtwerke Brühl - municipal energy and infrastructure utility.

Stadtwerke Brühl GmbH
Secure your Proxmox & backup setup
Sonja Aßer
GermanySoftware DevelopmentPHP ModernizationAPI Extension
With Timo and Robin, you're not only on the safe side technically - you also get the best human support! Whether it's quick help in everyday life or complex IT solutions: the guys from WZ-IT think along with you, act quickly and speak a language you understand. The collaboration is uncomplicated, reliable and always on an equal footing. That makes IT fun - and above all: it works! Big thank you to the team! (translated)

Sonja Aßer

Data Manager, ARGE

ARGE Neue Medien - master data & digital standards for plumbing and building technology.

ARGE
Modernize your legacy software
Aleksandr Shuliko
UAECloud MigrationAWS ExitProxmox81% Cost Reduction
I recently worked with Timo and the WZ-IT team, and honestly, it turned out to be one of the best tech decisions I have made for my business. Right from the start, Timo took the time to walk me through every step in a simple and calm way. No matter how many questions I had, he never rushed me. The results speak for themselves. With WZ-IT, we reduced our monthly expenses from $1,300 down to $250. This was a huge win for us.

Aleksandr Shuliko

CTO, EVA Real Estate

EVA Real Estate - leading real-estate agency in Dubai.

EVA Real Estate
Cut cloud cost - up to −81%
Pascal Hakkers
SwitzerlandManaged ProxmoxClusterMonitoringHigh Availability
WZ-IT manages our Proxmox cluster reliably and professionally. The team handles continuous monitoring and regular updates for us and responds very quickly to any issues or inquiries. They also configure new nodes, systems, and applications that we need to add to our cluster. With WZ-IT's proactive support, our cluster and the business-critical applications running on it remain stable, and high availability is consistently ensured. We value the professional collaboration and the noticeable relief it brings to our daily operations.

Pascal Hakkers

Aphy AG

Aphy AG - AI platform for hotel back-office.

Aphy AG
Build a high-availability Proxmox cluster
John Hellmerichs
GermanyProxmox & VirtualizationBackupVPNSecurity
WZ-IT provided very competent support in implementing our server and virtualization infrastructure. As part of the project, a Proxmox-based virtualization environment was set up along with a virtual machine for our application systems. Additionally, a structured backup concept was implemented. A particular focus was on security: the setup of a VPN tunnel and the clean implementation of encryption and access concepts were professionally executed. The structured consulting as well as the reliable and swift implementation deserve special mention. We are very satisfied with the services provided and are happy to recommend WZ-IT.

John Hellmerichs

Managing Director, AInergy GmbH

AInergy - consultancy for energy and facility management.

AInergy GmbH
Virtualize with Managed Proxmox
Sebastian Maier
BulgariaSovereign CollaborationOpen Source StackOperationsMaintenance
Timo and Robin from WZ-IT set up a RocketChat server for us - and I couldn't be more satisfied! From the initial consultation to the final implementation, everything was absolutely professional, efficient, and to my complete satisfaction. I particularly appreciate the clear communication, transparent pricing, and the comprehensive expertise that both bring to the table. Even after the setup, they take care of the maintenance, which frees up my time enormously and allows me to focus on other important areas of my business - with the good feeling that our IT is in the best hands. I can recommend WZ-IT without reservation and look forward to continuing our collaboration! (translated)

Sebastian Maier

Managing Director, Yonju GmbH

Yonju - business coaching and AI products.

Yonju
Get collaboration fully managed
Gabriel Sanz Señor
SpainProduction DeploymentCI/CDPaaSOperations
Counting on WZ-IT team was crucial, their expertise and solutions gave us the pace to deploy in production our services, even suggesting and performing improvements over our configuration and setup. We expect to keep counting on them for continuous maintenance of our services and implementation of new solutions.

Gabriel Sanz Señor

Managing Director, Odiseo Solutions

Odiseo Solutions - software engineering for the space industry.

Odiseo Solutions
Ship your prototype to production
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Whether a specific IT challenge or just an idea - we look forward to the exchange. In a brief conversation, we'll evaluate together if and how your project fits with WZ-IT.

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Leading companies trust WZ-IT

  • ml&s
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  • Aphy AG
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  • ABCO Water Systems
Timo Wevelsiep & Robin Zins - CEOs of WZ-IT

Timo Wevelsiep & Robin Zins

Managing Directors of WZ-IT

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