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AI, Software & Operations

AI solutions for business: software, RAG and operations

WZ-IT develops, reviews, migrates and operates AI applications. We connect custom software, RAG and automation with local models, controlled infrastructure and a reliable deployment and operations path.

RAG & Knowledge

Make company knowledge usable with sources and permissions.

AI in Software

Integrate AI features, agents and automation into existing systems.

Local Models & Operations

GPU infrastructure, monitoring and operations from one team.

Companies worldwide trust WZ-IT

Companies worldwide trust WZ-IT

Stadtwerke BrühlDGHO e.V.ABCO Water SystemsGolem.deEVADXBnextGYMAInergyml&sOdiseo SolutionsAnnotaARGESweetConnect GmbH
Solutions

Which solution fits your project?

Six clear entry points, one principle: we choose the smallest viable scope and connect implementation with operations only where the process requires it.

Your situationThe system that fitsWhen it does not fit
A recurring process consumes time, but it is unclear whether AI, fixed rules or conventional automation are appropriate.

AI process assessment

One process, its data, systems, risks and a viable pilot path.
If the workflow, data and target cannot yet be described concretely, the process itself must be clarified first.
Visitors land on the site and cannot tell which of our offerings matches what they want to do.

Offer finder

Chat widget on your website.
If your offering is three clear services, good navigation is enough.
Staff search historic quotations, copy recurring line items and then enter them again in the accounting system.

AI quotation assistant

Internal working system for reviewable quotation drafts.
If the business only sells a few standardised products, a maintained catalogue in the accounting system is often sufficient.
We hold a large corpus. Readers need the authoritative passage, not a summary.

Knowledge navigator

Guided search with source and version.
As long as valid and superseded versions cannot be told apart in the corpus, tidying up comes first - not a navigator on top of it.
Staff search internal documents. Who may see what has to hold technically, not by instruction.

Internal assistant

RAG on your documents, permissions before retrieval.
If it comes down to a few recurring questions, an FAQ or a form is cheaper.
A task should not only be answered but carried out - open a ticket, book an appointment, query data.

AI agents

Actions in your systems: tickets, workflows, integrations.
As long as nobody can state what the agent is allowed to have broken when it goes wrong, it is too early.

The AI Cube provides a prepared platform for a local start. When standard hardware or on-site operation is not the right fit, the corresponding expansion paths are: AI Cube, GPU servers or LLM hosting.

The Problem

Why AI projects get stuck

Four patterns we see again and again - and that one more tool rarely solves.

AI stays a demo

Prototypes impress, but never make it into secure day-to-day operation.

Data sits everywhere

Documents, wikis, tickets, databases and APIs are not usable as AI context.

Tools are not integrated

Chatbots sit next to the processes instead of being embedded in portals, workflows and systems.

Permissions and operations are missing

Roles, sources, logging, monitoring, cost control and updates are planned too late.

Our Approach

AI as a software system, not a tool collection

Production AI needs four layers designed together: application, knowledge, inference and operations. We build and operate them as a whole.

Application layer

Assistants, agents, UX, workflows, portals and business apps.

Knowledge layer

RAG, data sources, embeddings, Qdrant, sources and permissions.

Inference layer

Ollama, vLLM, models, GPU sizing and LiteLLM as the gateway.

Operations layer

Langfuse, monitoring, evaluation, cost control, updates, security and SLA.

AI Cube

A finished product as the starting point

The AI Cube brings local AI into your organisation as a prepared platform in under two weeks. We build internal assistants, knowledge systems and custom integrations on top without reinventing the infrastructure for every use case.

WZ-IT AI Cube

Delivered ready to use within 10 working days

AI Cube

€6,490 excl. VAT one-time

Device, setup, briefing and shipping

€349.90 excl. VAT / month

AI Cube Care · first year accompanied, then cancellable monthly

  • Compact AI appliance on NVIDIA GB10 with 128 GB unified memory and 1 TB NVMe
  • Open WebUI with knowledge bases, groups and roles
  • A local language model, a fast model for short tasks and an embedding model
  • Hardened system, firewall, HTTPS on the local network
  • Remote maintenance through NetBird, logged and switchable
  • Handover documentation, a 30-minute briefing and shipping within Germany
  • Two-year manufacturer warranty

Expandable when required

RAG, data sources, integrations, secure connectivity and custom workflows are scoped separately.

Operable for the long term

AI Cube Care keeps the device running: a monthly maintenance window, tested model updates with a rollback path, round-the-clock monitoring, ticket support and warranty handling. For confidentiality professionals we add a data processing agreement under Art. 28 GDPR and the written secrecy obligation under Section 203 (4) of the German Criminal Code, including instruction on the criminal consequences; on request remote access stays switched off by default.

Entry Paths

AI solutions by task

Make knowledge accessible, support sales and purchasing or process recurring work: each offer connects a specific workflow with suitable data, approvals and operations.

Retain and use knowledge

Make expertise, company documents and service cases accessible in daily work.

Support sales

Prepare quotation drafts and evidence-backed responses using existing company data.

Automate purchasing and data maintenance

Check supplier confirmations and prepare product data with controlled approvals.

Process incoming work

Capture and validate incoming orders, documents and messages and hand them to the relevant systems.

AI platform and operations

Deploy models locally, in a hybrid setup or suitable cloud and support the application.

Develop and integrate custom AI

Assess further use cases and connect them to APIs, approvals and existing software.

AI software lifecycle

Concrete entry points from AI-generated code to ongoing operations

The services can be commissioned individually or as consecutive steps. Target environment, operating location and responsibility model are then defined around the application.

Project-based scope

Develop

AI software & co-development

Develop AI features, RAG, agents, APIs and user interfaces from scratch or continue the product together with your team.

View AI software development
from €1,490 excl. VAT

Assess

AI Code & Production Readiness Audit

Assess AI-generated applications for code, authentication, data, security, tests, deployment and operations before go-live.

View the audit
from €990 excl. VAT / month

Review continuously

AI Code Review Retainer

After a confirmed baseline, have changes, CVEs and release risks reviewed and prioritised by a human on an ongoing basis.

View the review retainer
Delivery scoped individually

Make production-ready

Prototype to Production

Take over MVPs from Lovable, Bolt, v0, Replit or Base44, resolve prioritised findings and establish a controlled production path.

View the takeover process
from €3,490 excl. VAT

Migrate

Supabase migration

Move Supabase Cloud, Firebase, Lovable or existing backends to a suitable Supabase target environment together with application, auth, storage and functions.

View the migration service

After go-live

Continue operating the application, AI stack and infrastructure

Depending on the system, WZ-IT assumes the agreed application, platform or infrastructure operations. Your team can continue development in a co-managed model while deployments, monitoring, backups, updates and response are assigned clearly.

Build + Operate

Operations experience from cloud, open source and IoT

We do not plan AI operations in theory. WZ-IT runs cloud, open-source and software stacks in production, plus IoT and remote-site systems for real sites such as ABCO Water Systems and nextGYM. That operations experience feeds into local and hybrid AI systems.

  • Prompt and model versions traceable, quality measured via evaluations
  • Model switches and API fallbacks planned in from the start
  • Cost control per team, user or application
  • RAG indexes kept current, LLM traces and data flows auditable
  • Monitoring, updates, backups and security as part of the architecture

Local, cloud or hybrid?

Not every use case needs dedicated GPUs. The relevant factors are data protection, latency, cost, model size and operations responsibility. We size the stack to the risk and workload.

Enquiry

Request a technical assessment of your AI project

Describe the objective, data, and existing systems. We assess the solution, infrastructure, and next step.

Which starting point fits the project?

One concrete task or existing problem is sufficient for the initial enquiry.

How should we get back to you?

We usually respond within one business day. Please do not send access credentials yet.

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 solutions for business

Answers to the most important questions

Recurring workflows with emails, documents, validation rules and clear target systems are often suitable. Examples include document processing, order entry, ticket and inbox automation, and custom workflows. The AI Opportunity Check first determines whether AI, fixed rules or conventional automation fit.

Assessment, validation, production applications, platforms and operations each have their own scope. Start where your project stands today.

Document processing extracts and validates data from different inputs. Automated order entry processes incoming customer orders for ERP or CRM. The quotation assistant instead uses your product and historic data to prepare new outgoing quotation drafts.

Retrieval-augmented generation connects the language model with your documents: before each answer, relevant passages are retrieved and provided. The system answers with your knowledge without training a model - and permissions can be enforced technically before the search, not just in the prompt.

Local or controlled European model operations can be suitable where data paths, model choice, latency or running costs have particular requirements. The right architecture depends on the use case, data categories, model size, concurrency and integrations.

Managed AI Server covers the underlying technology such as GPU, operating system, drivers, containers and inference runtime. Managed LLMOps covers the application above it: traces, quality, retrieval, cost, latency and changes to models, prompts or knowledge sources.

No. Local operation can constrain data paths and improve technical control. Purpose, legal basis, user rights, deletion, human oversight and the applicable risk framework still need to be assessed and documented for the concrete use case.

Free intro call

Let's talk about your project - honest and no strings attached

  • 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

What clients say about working with us

From local AI integration to architecture, data sovereignty and ongoing operations.

ml&sDGHO e.V.AnnotaGolem.deStadtwerke BrühlABCO Water SystemsCORGOSRekorderKeymateFührerscheinmacherSolidProofARGE
GermanyNetworking & ProvisioningVPNAutomationOperations

“WZ-IT moved our studio infrastructure from decentralised individual devices to a central platform: every site is securely connected via VPN, new devices are onboarded automatically and an entire site is provisioned from a template, without manual steps on location. What impressed me most is the breadth and depth of their knowledge: Timo and Robin are not a typical IT provider who sets up a server and leaves. The two of them think their way into highly complex infrastructure and software topics, work through every requirement we put in front of them, and build networking, provisioning and operations so that everything fits together in the end. WZ-IT is an excellent partner for complex software, network and architecture projects.”

Steve Kirchner

Steve Kirchner

Managing Director, nextGYM GmbH

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
Kai Clauß
GermanyNetBird & KubernetesNetBirdKubernetesConsulting
“WZ-IT supported us professionally with the provisioning and setup of NetBird. Alongside the technical implementation, we also received well-founded advice on connecting our Kubernetes clusters. The recommendations were concrete and directly actionable. The collaboration was consistently reliable, fast and on equal terms. We can recommend WZ-IT without reservation.”

Kai Clauß

Head of Development, SweetConnect GmbH

SweetConnect - cross-manufacturer Industry 4.0 platform for confectionery production.

SweetConnect GmbH
Connect sites and clusters securely
Blog & Tutorials

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Let's Talk About Your Idea

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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[email protected]
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Companies worldwide trust WZ-IT

  • ml&s
  • Rekorder
  • Keymate
  • Führerscheinmacher
  • SolidProof
  • ARGE
  • Boese VA
  • nextGYM
  • SweetConnect GmbH
  • Golem.de
  • Millenium
  • Paritel
  • Yonju
  • EVADXB
  • Mr. Clipart
  • Aphy AG
  • Negosh
  • ABCO Water Systems
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