About Us

We squeeze 100% out of the lemon

We are passionate about the code, design and, in between of these two, the intuitive interactions and beautiful transitions. It is painful to be pixel-perfect and motion picky, but we just cannot help it ;) No squeeze, no juice.




Our Golden Rule

do it right == do it once

Web & Mobile Apps

We have been building applications and software since 1998.

UI & UX Design

We wrap our code into the most beautiful designs.

Performance & Security

We are serious about performance, security & penetration testing.

Code Quality

We are passionate about software architecture and design patterns.

Pleasure in the job puts perfection in the work.


> 1000000

Lines of code written

> 650

Projects completed

> 600

Clients satisfied

What our Clients said

about us

Retenor delivered an awesome functional platform that satisfied users, resulting in optimized customer service. They managed to deliver reliable solutions despite the obstacles they faced, ensuring a pleasant cooperation.

John Rawski
CEO, HHS Ltd, United Kingdom

Retenor has just built a robust system that surpassed client expectations in terms of functionality and timeline. We also get them to do all our API and payment gateway integrations. They are absolute experts in that field.

Artur Kubiak
Co-founder, Brandoo, Poland

Retenor developed a great software for our transport company. From automation of internal tasks to integration with delivery companies and tracking.

Wojciech Maryniak
CEO, Driver Express ApS, Denmark

Retenor automated all our internal system for all our stores including employee management and authorisation. Thank you for all the great work!

Andrew Wrzeszcz
C0-founder, Sami Swoi Ltd, United Kingdom

They are flexible, enthusiastic, and proactive. The software delivered is functional, impressive and exceeded our expectations. Retenor is a reliable and valuable partner.

Wojciech Miziński
CEO, U.Studio, Poland

Technology Base

We have over 20 years of experience in programing and web technologies.

Let’s Talk

about your
next project.