Apps and platforms built around your business
When a spreadsheet or off-the-shelf software no longer does the job, we build the tool your business needs: for your customers, for your team or to sell as a service.

Problems we solve
- You run key processes on spreadsheets that keep breaking and that nobody fully understands.
- No software on the market fits the way your company works.
- You send sensitive documents, such as payslips or contracts, by email and don’t know who has opened them.
- You have an idea for a digital product and don’t know how to turn it into something that works.
- Your current application is slow, hard to change or depends on a single person.
What’s included
Product definition
We turn your idea into a clear list of features, screens and priorities for the first version.
Screen design
We design how the app will be used before we write any code, so you can validate it with your team.
Custom development
We use widely adopted technologies such as React, NestJS and Python, so the app is easy to maintain and extend.
Users and security
Two-step sign-in, role-based permissions and data kept separate for each company when needed.
Integrations
We connect the app to your existing systems, email or external services so nobody has to copy data by hand.
Launch and maintenance
We deploy it on a properly prepared server and can take care of updates and backups.
How we do it
- Discovery We work out who will use the app, what problem it solves for them and what the first version needs.
- Design We prepare the main screens and you review them before any code is written.
- Development in releases Each release adds features you can test with real users.
- Launch and growth We publish the app, listen to the people using it and plan the improvements.
Related projects
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App development
Employee Portal: multi-company HR SaaS
An HR platform for small businesses and payroll firms: payslips, clocking in, holidays, documents and e-signatures in one portal, on mobile too.
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Example case App development
Booking app for a chain of sports centres
How we would approach an app that lets members book classes and courts at any centre in the chain, with capacity under…
Frequently asked questions
Mobile app or web application?
It depends on who will use it and where. Many business needs are covered by a web application that runs in any browser; if you need phone-specific features, we’ll walk you through the alternatives.
How much does a custom app cost?
It depends on the features. We suggest starting with a first version that covers the essentials, and we give you the budget in writing before we begin.
Who owns the code?
We set it out in writing in the proposal, together with who looks after hosting and maintenance.
Can you take over an app another team started?
We review the code first and tell you frankly whether it’s worth continuing or rebuilding some parts.
What happens after launch?
We can look after maintenance, security updates and new features. What’s included is defined in the proposal.
Shall we talk about your project?
Tell us what you need and we will send you a proposal with scope, timeline and budget.
You can also email us at info@brains-dev.com