Every hour spent in Excel is time
your business isn't growing.
Done with workarounds. Digitalize your processes, automate what's tedious, and build on software that truly fits your company.
Manual processes cost you.
Every day.
Replace Excel constructs, isolated tools, and repetitive coordination with software tailored to your business — up and running in weeks.
From legacy to AI:
modernization without downtime.
We modernize business-critical software — without slowing down your day-to-day. Step by step, with a clear focus on business value.
These companies trust us
What we build
Software that moves your business forward
No off-the-shelf product you have to bend yourself around. Solutions that fit your processes exactly, right from the start.
| Order | Customer | Due | Status |
|---|---|---|---|
| #2847 | Müller KG | Today | OPEN |
| #2846 | Brandt GmbH | +2 days | ACTIVE |
| #2845 | Huber AG | – | DONE |
Dispatch & Order Management
Excel spreadsheets, phone calls and gut feeling as your dispatch system? We digitize order planning, capacity control and delivery processes so your team coordinates less and gets more done.
Production Control & MES
There's often a gap between the daily reality on the shop floor and your ERP system. We close it with tailored MES solutions that capture production data in real time and make control decisions measurably better.
Quality Assurance & Inspection Processes
Inquiries handled via email chains, inspection records in Word files: we build systems that structure quality processes, surface defects earlier and make tracking effortless.
Shift Planning & Resource Management
Shift plans in Excel, vacations kept in someone's head, absences sorted out by phone: we replace manual planning routines with software that brings availability, qualifications and workload together in a single interface.
Process Automation & System Integration
Manually transferring data between systems, assembling reports by hand, doing the same recurring tasks every day: we automate exactly these spots and connect what previously couldn't talk to each other.
Types of Implementation
Three Paths to Your Software
New Build
GreenfieldWe build your solution from the ground up, entirely free of legacy baggage. From a blank slate to productive software, tailored to your processes, your data and your IT landscape.
Modernization
Step by StepYour existing software doesn't have to go — it has to run again. We renew it piece by piece and make it maintainable, secure and cloud-capable. No hard cut, no standstill in your day-to-day operations.
Migration
A → BWe move your data and functions safely from A to B. Structured and complete, even when your legacy system is complicated. Nothing gets lost along the way.
New Build
GreenfieldWe build your solution from the ground up, entirely free of legacy baggage. From a blank slate to productive software, tailored to your processes, your data and your IT landscape.
Modernization
Step by StepYour existing software doesn't have to go — it has to run again. We renew it piece by piece and make it maintainable, secure and cloud-capable. No hard cut, no standstill in your day-to-day operations.
Migration
A → BWe move your data and functions safely from A to B. Structured and complete, even when your legacy system is complicated. Nothing gets lost along the way.
References
What we have actually delivered
A selection of real customer projects — from mid-sized companies to market leaders.
Speedboat, not tanker. For mid-sized businesses.
We are small — and that's exactly why we are extremely performant and fast. On the third meeting, you won't face a third person. At vensas, senior developers work directly with you on the concept and code. No sales that sell promises the technology can't keep. Bootstrapped, without VC pressure, with values we stick to even when it's uncomfortable.
Senior Team from Saarbrücken
Experienced developers instead of junior model. No offshoring, personal responsibility.
Security & Performance
Secure architecture and clean performance aren't add-ons, they're fundamental principles.
Honest Words Instead of Pitch
"We shouldn't do it that way because..." — we say what we think. Even when uncomfortable.
Bootstrapped & independent
No VC pressure, no quarterly targets. We decide in favour of your project, not investors.
Years of engineering experience in the team
End users on productive applications
Years working for our major customers
Customer satisfaction
Let's talk about your most expensive process.
45-minute intro call. You get an honest assessment of your project — no sales pitch, no presentation.
Briefly describe your project — we'll get back to you within 24 hours.
Frequently Asked Questions
Before you ask
Why vensas instead of a big consulting firm?
We are deliberately small and that's exactly why we're fast. With us, projects don't disappear in coordination loops, internal hierarchies or account management structures. On the third meeting, you won't face the third new person, but the same people who design and build your project.
We are bootstrapped, without investor logic in the background. That means: we don't make decisions for growth on paper, but for the best result in your project.
And above all: we get to doing things faster. Instead of months of concept phases, we deliver an early tangible solution.
How do we start a project?
With a simple question: What is your most expensive process?
This way we start the project discussion not with features, but with the actual problem. After that first call, a separate two-hour needs-analysis session then develops a concrete requirements list.
How long does a typical project take until go-live?
Faster than most expect. Concept and first draft solution are usually achievable in 3-4 weeks. The productive go-live in typical projects occurs within 2 to 3 months.
For larger modernizations, we don't deliver results only after half a year, but in clear packages with weekly alignments.
What technologies do you work with?
With technologies that will still be viable in five years.
Our core stack is .NET for backend and mobile apps, plus React, Next.js and TypeScript or JavaScript on the web. We run it wherever you need it: cloud-native on Azure, AWS or your preferred platform, or on-premise on your own servers and IIS. Add modern DevOps processes, automation and a clear engineering approach: reproducible, maintainable, clean.
How do you use AI?
Pragmatically, not for its own sake.
We build AI in where it delivers real value – from LLM-powered features in your software to AI agents that automate tasks. And we use AI in our own development to deliver faster and with consistent quality.
What happens with our existing legacy software?
Not every legacy software belongs in the trash.
We don't tear down what works. Instead, we analyze existing systems, isolate critical components and modernize step by step without endangering your daily business. We know our way around old .NET applications too – whether WinForms, WPF, COM or the classic .NET Framework.
"Can't be done" doesn't exist. Is that really true?
Almost. Technically we always find a way. But we're not the agency that nods to everything. If an idea is technically unsound, security-critical or expensive in the long term, we say so clearly.
A sentence you might hear from us: "We can build it that way. But we wouldn't recommend it."
We are deliberately small and that's exactly why we're fast. With us, projects don't disappear in coordination loops, internal hierarchies or account management structures. On the third meeting, you won't face the third new person, but the same people who design and build your project.
We are bootstrapped, without investor logic in the background. That means: we don't make decisions for growth on paper, but for the best result in your project.
And above all: we get to doing things faster. Instead of months of concept phases, we deliver an early tangible solution.
With a simple question: What is your most expensive process?
This way we start the project discussion not with features, but with the actual problem. After that first call, a separate two-hour needs-analysis session then develops a concrete requirements list.
Faster than most expect. Concept and first draft solution are usually achievable in 3-4 weeks. The productive go-live in typical projects occurs within 2 to 3 months.
For larger modernizations, we don't deliver results only after half a year, but in clear packages with weekly alignments.
With technologies that will still be viable in five years.
Our core stack is .NET for backend and mobile apps, plus React, Next.js and TypeScript or JavaScript on the web. We run it wherever you need it: cloud-native on Azure, AWS or your preferred platform, or on-premise on your own servers and IIS. Add modern DevOps processes, automation and a clear engineering approach: reproducible, maintainable, clean.
Pragmatically, not for its own sake.
We build AI in where it delivers real value – from LLM-powered features in your software to AI agents that automate tasks. And we use AI in our own development to deliver faster and with consistent quality.
Not every legacy software belongs in the trash.
We don't tear down what works. Instead, we analyze existing systems, isolate critical components and modernize step by step without endangering your daily business. We know our way around old .NET applications too – whether WinForms, WPF, COM or the classic .NET Framework.
Almost. Technically we always find a way. But we're not the agency that nods to everything. If an idea is technically unsound, security-critical or expensive in the long term, we say so clearly.
A sentence you might hear from us: "We can build it that way. But we wouldn't recommend it."
Latest
What's currently on our mind
Articles, upcoming events and open positions — at a glance.
From the Blog
Engineering topics for decision makers
The anatomy of a process optimisation: why nobody believed their own software
The four steps of our process optimisation always sound good on the service page. Here we walk them through honestly, on a real project from spare-parts wholesale: from the spreadsheet that turned out to be the actual diagnosis, through the recurring ordering cycle across four companies that are supplier and customer to each other at the same time, to the question of how you measure success when there is no number for it. The most expensive mistake wasn't that the software calculated wrongly, but that nobody could trace why.
Sven Hennessen••Processes
Native AOT in .NET: Faster Startup, Lower Cloud Costs
Native AOT compiles a .NET app entirely to native code before it ever runs: no JIT, no warm-up time. Since August 1, 2025, AWS Lambda bills the init phase of zip-packaged functions the same way it bills regular execution time, turning what used to be a pure latency problem into a line item on your bill. We look at what Native AOT actually does, when switching pays off, where it simply doesn't work, and how the faster startup translates into real cloud cost savings.
Sascha Kiefer••Development
All posts →Upcoming Events
Where you can meet us
Halle4 - Coworking Space + Innovation Hub
SaarSoftwareCamp 2026
Open, participatory event focused on software development and testing with sessions and networking in Saarbrücken.
DJK Ost
Playwright Beyond the Happy Path: E2E Tests, A11y & MCP in Practice
Talk by Sven Hennessen at .NET User Group Karlsruhe on Playwright, accessibility testing, and MCP.
IT-Tage 2026 / Kap Europa
Reliable End-to-End Tests with Playwright: From Local Debugging to CI/CD
Session on Playwright and E2E automation by Sven Hennessen at IT-Tage 2026.
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