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About us
We have been present in the blockchain community since 2013. When we realized that the time had come to build a blockchain company, we created EthWorks - the place, where you can hire a genuinely remarkable team for your project.
Company size
Our team
Marek Kirejczyk
CEO, owner
Part of blockchain community from 2013, when his company was working on first blockchain projects. Open-source contributor, leading the development of popular libraries like UniversalLogins, Waflle, and ethereum.rb.
Natalia Kirejczyk
Lead Blockchain UI & UX Designer, owner
For over 11 years Natalia has designed advanced websites and applications for many clients from around the world. She can design everything. Everything.
Krzysztof Jelski
Test-drives all the code and helps others do that. Sees technical excellence as the way to achieving not only superior quality, but also great organisational performance.
Our offices

Warszawa, Czeczota 29 - 52.2218548, 21.0205053

Company insight
Take a closer look
EthWorks - the movie
Just watch how we celebrated one year of hard work. Do you like it?