The club was founded in 2021, by former
Canadian national team player Julian de Guzman and Peter Raco under the name
FC Barrie, who had initially been part of the group forming
1812 FC Barrie, before departing to form their own team. On July 6, 2021, the club was officially unveiled under the name Simcoe County Rovers FC as a joint partnership between Raco and de Guzman. in December 2021, fellow Canadian national team player
Doneil Henry was announced as another co-owner. In January 2022,
Canadian women's team player
Janine Beckie also joined the ownership group. In April 2022,
Atiba Hutchinson also joined the ownership group. Since its formation, the team has been affiliated with youth clubs Barrie SC and
Aurora FC (who previously operated a team in League1 Ontario until 2020), and
Orangeville-based school
Athlete Institute. On October 21, 2021, it was announced that the club was officially joining both the
male and
female divisions of League1 Ontario for 2022, acquiring the license of
Aurora FC, who did not play in 2021 and joined the Rovers as an affiliate club. Both teams played their debut matches on April 24 against
Blue Devils FC, with the women winning 3–0 and the men drawing 1–1. In 2022, the men's reserve team won the League1 Ontario U21 Reserve Division. In 2023, the men finished the regular season in second place, earning their first home playoff game, where they defeated
Vaughan Azzurri in the semi-finals, in front of over 1,200 fans. In the championship final, they defeated
Scrosoppi FC to win the League1 Ontario title, thereby qualifying for the
2024 Canadian Championship. Over 600 travelling supporters attended the League1 Ontario final, marking a League1 Canada traveling supporters record. On April 24, 2024, the club made their
Canadian Championship debut, where they were defeated 5-0 by
Major League Soccer club
Toronto FC, with over 2000 estimated Rovers fans having purchased tickets and attending the match. In 2025, the women's team won the Premier Division title, qualifying for the
League1 Canada Women's Inter-Provincial Championship, where they won the title to become the national champions and the only team from Ontario to have ever won League1 Canada’s national championship. In December 2025, Barrie Soccer Club purchased 100% ownership of the club. ==Players, staff, and ownership==