The company was established in 1980 as a single, family-owned store in Mississauga in the Greater Toronto Area, with 12 employees.

[citation needed] In 1999, the Moores Retail Group was acquired by American-based The Men’s Wearhouse, Inc. (renamed Tailored Brands in 2016).

[2][3] Today, Moores has 126 retail locations situated all over Canada and employs over 1200 people.

In September 2008, Men's Wearhouse selected the New York advertising agency DeVito/Verdi to handle its national advertising and marketing communications account, as well as marketing for Moores and Men's Wearhouse's retail brands.

"[6] In August 2020, Moores' parent company, Tailored Brands, filed for bankruptcy.