The AI foundation is built.
Your product ships from here.

One proven platform. Your custom product in weeks. European only. Maintained by us.

Standard solutions don't fit your business. Building it from scratch doesn't match your resources.

We meet you in the middle. AI software in the European cloud that scales, custom-built for your business.

Hi, we're stackhavn.

We meet you in the middle. AI software in the European cloud that scales, custom-built for your business.

Hi, we're stackhavn.

About us

What we build

Explore the product

We take our platform, plug it into your systems, and shape it until it fits like it was built in-house. You run your business, we make sure the tech keeps up.

Built for your business

Our platform with proven building blocks, tuned and tailored to how your team actually works.

Your business20%

Stackhavn platform80%

User Interface

AI agents & automation

Knowledge base

Feedback loops

Integrations layer

Auth & permissions

Compliance EU AI Act

EU-native cloud

20%

Tailored to your business

80%

Proven Stackhavn platform

Three roles, one person

Full-stack engineer, product thinker, and business minded. Embedded in your team in the first phase.

Every byte in Europe

Data, models, inference. Nothing leaves the EU.

Operational

·6 nodes

·Zero US routing

·EU-only LLM inference

Engineers and agents collaborate

One dedicated engineer. Always reachable. Agents do the heavy lifting.

01

Your dedicated engineer

One person who knows your product inside out. Always reachable, always context-aware. Not a ticket queue.

02

Agents handle the routine

Monitoring, drift detection, AI model updates, security patches. Automated, so your engineer has time to actually listen.

03

Fixed in days, not sprints

Bugs, small features, quality improvements. Shipped fast with the latest AI models and security standards baked in.

How to work with us

Every tailored product is fixed scope, fixed price. Start with a demo, approve the concept and go straight to a working product.

Our method

Prove it.

We learn how your business runs, where AI creates real impact, and show you a working concept so you can approve.

You walk away with a product concept via a live demo.

Build it.

The same engineer who mapped your business configures our platform and tailors it to your workflows. A working demo every week, your feedback steers every cycle.

You get a production-ready tailored AI product in weeks.

Run it.

After launch, you check-in monthly with your dedicated engineer. AI model updates, bugfixes within 24 hours, and small improvements are included.

You have a maintained product that keeps getting better.

Our work

We're a focused team and helped over 35+ companies to implement AI in production. We've seen what works, what breaks, and what gets abandoned after the first months.

Show, don't tell

ProductAI education expert

"They understood our process within days, built a product that keeps our team in control, and we're already seeing a 50% increase in content creation speed."

— Emma Haagen | Operations Manager

Education

Winc Academy

What you're probably thinking.

How is this different from buying off-the-shelf SaaS?

Generic SaaS forces you to adapt your business to the software. We adapt the software to your business. Same modular foundation, but the intelligence layer, integrations, and interface are configured to how you actually work. The result feels like a custom product at a fraction of the cost.

What's the difference between this and hiring an agency?

An agency bills by the hour and starts from scratch every time. We start from a proven product and customize the last 20% to your business. Fixed price. Faster delivery. And after launch, you get ongoing support and not an invoice with a goodbye.

What does 'embedded engineer' actually mean?

During the Build phase, our engineer embeds directly with your team. They join you in the office and learn your domain and operations. This isn't remote consulting but someone inside your operation building the right thing. After Build, the system runs on our platform and we maintain it remotely.

What does '24/7 agentic support' mean?

During Run, you get a dedicated channel. Our AI agent monitors your system, catches issues, and handles routine support automatically. When something needs a human, an embedded engineer reviews it directly. Not a ticket that waits on a sprint backlog for 4 weeks. It's the same philosophy as the intake: AI handles the routine so our people can focus on what matters.

Can we use the product to serve our clients?

Yes. That's what the white-label option is for. We build the platform, you put your name on it. Your clients see your brand, your pricing, your login screen. Stackhavn stays invisible. We handle the tech, the updates, and the compliance. Licensing terms are part of our general terms.

Do we own the product?

Part of it. You subscribe to our platform like any SaaS product. Stackhavn retains IP ownership of the platform modules. You own your data, your customization including company logic. You can export all your data at any time. Your own customization without a maintenance burden. We keep improving it for you.

What if we want to leave?

Your data is yours. Full export of all data, configurations, and documentation. The stackhavn platform modules stay with us. We design for clean exits because we'd rather earn your stay every month.

What's EU-sovereign infrastructure?

Your data stays in Europe on European cloud providers. Not AWS, not Azure, not GCP. GDPR, EU AI Act, and data sovereignty compliance by default, not as an afterthought.

How can a small team handle multiple clients?

Our agentic workforce. AI agents handle code generation, testing, debugging, and monitoring which normally eats engineering time. That frees our engineers to spend 100% of their time with you, understanding your business. We scale through intelligence, not headcount.

Contact

Reach out to start a conversation. We're always open to new ideas.

Let's meet