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

Get improvement areas for the future based on statistical analysis of your past performances.

Video feedback

Use our custom video annotation tools, tailored to your sport, to provide precise feedback to your athletes.

Team management

Optimize your teams with dedicated tools for tracking and organization, both in terms of material and human resources.

Selection assistance

Make informed, data-driven decisions to select the best athletes or collaborators.

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!”

Our expertise

Discover the strengths of our team.

High-level sports

With his career as a high-level athlete in mogul skiing, Tom understands the challenges of this field and will guide you in managing your issues.

Data analysis

Our team, composed of engineers from top French schools, specializes in data analysis and will solve your problems, no matter their complexity.

Video processing

Video feedback is a cornerstone of athlete training and can be time-consuming. Let us simplify this task so you can focus on your advice.

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!