Grezy.
Tech and sports, our expertise.
Why choose us?
Your path to excellence
At Grezy, we design tools that transform your data into measurable results. Our expertise helps federations and athletes achieve their goals while innovating in sports performance.
Result analysis
Video feedback
Team management
Selection assistance
Their testimonials
They trust us, why not you?





Guillaume, Ski Acro Québec
Sports Development Manager
“A final product that far exceeded our expectations!”
I discovered Tom and Nicolas from Grezy Software through a colleague. At Ski Acro Québec, we needed a powerful software to manage competition results and provincial rankings in our three disciplines. From the start, Tom and Nicolas were able to take ownership of our project and understand our needs with great precision.
Their attentive listening and efficiency in handling requests and adjustments were remarkable. Thanks to their professionalism and speed, they delivered a final product that not only met our expectations but far exceeded them.
I am enthusiastic and confident about continuing this collaboration in the future. I highly recommend Grezy Software to any organization looking for a reliable, professional, attentive, and truly effective team. Their human approach and technical expertise make all the difference.
Guillaume, Ski Acro Québec
Sports Development Manager

Benoit, Alpe d'Huez
Mogul Skiing Coach
“A final product that far exceeded our expectations!”
I discovered Tom and Nicolas from Grezy Software through a colleague. At Ski Acro Québec, we needed a powerful software to manage competition results and provincial rankings in our three disciplines. From the start, Tom and Nicolas were able to take ownership of our project and understand our needs with great precision.
Their attentive listening and efficiency in handling requests and adjustments were remarkable. Thanks to their professionalism and speed, they delivered a final product that not only met our expectations but far exceeded them.
I am enthusiastic and confident about continuing this collaboration in the future. I highly recommend Grezy Software to any organization looking for a reliable, professional, attentive, and truly effective team. Their human approach and technical expertise make all the difference.
Our expertise
Discover the strengths of our team.
High-level sports
Data analysis
Video processing
Discover our work
Here are some video examples of applications we have developed.


Who are we?
Grezy is a Grenoble-based French startup founded by two engineers, Tom Jeannesson and Nicolas Faglin. We collaborate with international sports federations to support athletes in their quest for excellence. Our custom software provides cutting-edge analysis and innovative tools, essential in their preparation for major events like the 2026 Olympic Games.
We document our entrepreneurial journey on our blog, feel free to check it out!
