Guilherme Smith, born on 11 June 2003 (age 23), is a Brazilian left winger with Union Saint-Gilloise, where his senior career has taken its clearest shape.
Union have given him the platform that matters. Across two league seasons he has made 22 appearances and scored four goals, with his 2025-2026 campaign bringing two goals in 12 league matches.
He remains part of the first-team picture in 2026-2027. Smith has made 10 league appearances and scored twice, while also featuring in Champions League qualifiers, the Super Cup, Europa League and Pro League play-offs. Across all competitions for Union, he has 27 appearances and seven goals.
There is not much need to dress it up. Smith’s career is still being built, but at this stage it is being built at Union Saint-Gilloise, where he continues to get meaningful minutes from the left side.