Turn the idea into a product people can use

You have an opportunity, a deadline and a product that needs to earn its place. Flat 18 helps founders turn a rough idea, AI-built prototype or early MVP into a credible product to launch, test and improve.

We combine product thinking, design and full-stack engineering. LLMs help us move quickly; senior developers keep the decisions, code and release quality under control.

When Flat 18 is a good fit

• You need an MVP for a customer pilot, demo or fundraise.
• Your prototype works, but the experience or foundations are not yet trustworthy.
• You have early traction and need to improve the product without building a large in-house team.
• You need senior product and technical judgement before committing to a longer build.

What you leave with

• A focused product scope, centred on the user and the decision you need to test.
• A clear interface and an end-to-end product flow.
• Working frontend, backend, data and integrations where they are needed.
• A deployed product, practical handover notes and a sensible next-step roadmap.

Start with a clear product review

Send us the idea, prototype or current product, along with the audience and deadline. We will look at the real constraints and suggest the leanest route to a credible next release. If we are not the right fit, we will say so.

Discuss your product