Toronto family businesses are at the core of Canada’s economy, contributing over $500 billion to GDP and providing nearly half of private-sector jobs. Employing 6.9 million people nationwide, family-owned enterprises remain a key driver of innovation and wealth. Toronto, Canada’s largest city, hosts five of the top 10 highest-earning family businesses in the nation, highlighting its role as a hub for commerce, finance, and technology. Toronto’s thriving entrepreneurial environment has fostered over 24,000 tech companies, making it North America’s third-largest technology centre.
George Weston Ltd. tops the list with an annual revenue of $43 billion. Founded in 1882, George Weston began as a single bread route, evolving into Canada’s largest food and drug retailer through Loblaw Companies Limited and Choice Properties REIT. With over 200,000 employees, the Weston family maintains leadership through Galen G. Weston, chairman and CEO, overseeing brands like President’s Choice and Life Brand.
Magna International ranks second, generating $40.5 billion annually. Founded by Frank Stronach, Magna started as a small machine shop and expanded into one of the world’s largest automotive suppliers. With 351 manufacturing operations across 30 countries, the Stronach family retains majority voting rights, providing leadership as honorary chair.
Fairfax Financial Holdings Ltd., controlled by Prem Watsa, is the third-largest Toronto family business with $30.7 billion in annual revenue. Specialising in insurance, reinsurance, and investment management, Fairfax’s portfolio includes holdings in major companies like Blackberry Ltd. and Micron Technology. Benjamin P. Watsa, his son, sits on the board while leading Marval Capital Ltd.
Canadian Tire Corp Ltd. follows with $13 billion in revenue. Founded by J.W. and A.J. Billes in 1922, Canadian Tire became a retail giant with over 1,700 locations nationwide. The Billes family continues its involvement through Martha Billes and her son Owen, overseeing retail expansion, financial services, and 16 consumer brands.
Rogers Communications Inc., led by Edward S. Rogers, generates $12 billion annually. Ted Rogers built the company from a single radio station in 1960 into a media and telecommunications powerhouse, pioneering cable TV, cellular networks, and 5G services in Canada. Rogers also owns the Toronto Blue Jays and sports broadcasting rights, making it a household name.
McCain Foods Ltd., controlled by the McCain family, earns $8 billion annually. Founded in 1957 by brothers Wallace, Harrison, Robert, and Andrew McCain, the company is the world’s largest producer of frozen French fries, selling in over 160 countries. Scott McCain, son of founder Wallace, serves as chairman, leading a global network of 51 facilities.
Constellation Software, founded by Mark Leonard, reports $7.5 billion in revenue. The company manages a portfolio of software businesses across sectors like healthcare, education, and real estate. Leonard applies a strategic investment approach to grow specialized software firms into market leaders across more than 100 international markets.
Thomson Reuters Corporation ranks eighth with $6.7 billion in revenue. Starting as a single newspaper acquired by Roy Thomson in the 1930s, the family expanded into global media, data, and information services. David Thomson, grandson of the founder, serves as chair while the company provides solutions for legal, tax, accounting, and news industries worldwide.
Samuel, Son & Co., a metals processing and distribution leader, earns $5 billion annually. Founded in 1855 by Mark and Lewis Samuel, the company operates 18 businesses and over 80 locations in Canada, the US, and Mexico. Family members Mark Samuel, Kim Samuel, and Rick Balaz share ownership of the 170-year-old conglomerate.
Colliers International Group Inc. closes the top 10 list with $4 billion in revenue. Tracing its origins to 1898’s Macaulay Nicolls, Colliers merged with Australia’s Colliers International and later FirstService, becoming a global real estate services provider. Jay Hennick, CEO and controlling shareholder, oversees 522 offices in 62 countries.
Toronto’s family businesses remain a cornerstone of Canada’s economy, blending innovation, leadership, and legacy across diverse industries. From food production to automotive and technology, these enterprises demonstrate the enduring influence of family-led companies in shaping national growth and global markets.
