Twin Stack Oy

Minds bridging the worlds.

The working day is too short for bad tools. We build tools people actually want to use.

Our work and services

Every piece of software has a purpose.

Good software takes more than code. It takes listening to users, understanding their work, and building the solution together. That is why every product we create starts with a real need.

rauvision.fi
RAU-Vision product preview

In the spotlight

RAU-Vision

RAU-Vision automates the most time-consuming stages of preparing quotations. Our in-depth AI analysis identifies the work and materials required from technical drawings and creates a quotation template. The result is a much faster quotation process.

Automatically detects objects and I/O points
Less manual work
More consistent quotations

Custom tools

Web, mobile, and desktop applications for processes that off-the-shelf systems cannot support.

Integrations

APIs, data transfers, and background processes working together without manual handoffs.

Continuous development

We keep your solution moving after launch, with improvements, maintenance, and new features through the same partnership.

About us

A small team. Clear ownership. A practical approach.

Twin Stack partners with businesses that want to work directly with the people building their software. We start with what matters: what needs to work, who it is for, and how it fits into their day.

We start with the problem, then choose the technology.

Once the goal is clear, we choose the right way to build it. The result should make your work simpler, faster, and easier to maintain.

Direct access to the team

You talk to the same people who design and build your solution.

A lasting partnership

We stay involved after launch and keep developing your solution as your needs evolve.

Fewer intermediaries

A small team makes decisions quickly and keeps responsibilities clear from start to finish.