He currently plays for Stade Briochin, wearing the number 20 shirt. He plays primarily as a Midfield. His current market value is estimated at 100K €.

His most recent move was a from AS Ginglin Cesson to Stade Briochin on 2024-07-01.

Across 19 appearances in the French Championnat National 2025-2026, Mathéo Ntumi registered 0 goals and 1 assists, while completing 7 key passes out of 124 total passes with a passing accuracy of 4.7.