BT4 Invest

Ideas are worthless if you can't make them happen.

Let's talk business

We work with smart technology to innovate your product

Our work is simple – it’s helping you succeed. This not a mere promise. Our partnership begins with a detailed business plan that defines your challenges and offers suitable solutions. This helps you keep an eye on the progress and ensures your investment will generate the expected profit.


years in the business


countries in connection




successful projects

Full Development Life Cycle

Web Development
Mobile Development
Machine Learning
Web and UI Design
Quality Assurance
Consulting and Audit
Server Administration
Mobile App Design

Challenge accepted

Are you a one-man garage startup that needs to build an app from scratch or part of a big organisation and simply need a helping hand to deliver a project to a deadline? We have the know-how and resources to help you.

Measurable solutions

Together we will define the task, which is always followed by a precise plan. This includes the goals and an action plan of how those goals will be achieved. This will help you easily keep track of the achieved results.


Kotkapoja 4, Studio 29, Tallinn, 10129, Estonia


+ (372) 58 03 04 88