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Active federal corporations in Ontario

480,004active corporations
45%filed in 2026
2,616cities recorded

Cities in Ontario

Toronto
90,458 corporations
Brampton
69,211 corporations
Ottawa
38,846 corporations
Mississauga
38,370 corporations
Markham
14,376 corporations
Richmond Hill
10,734 corporations
Oakville
10,686 corporations
Scarborough
9,546 corporations
North York
9,312 corporations
London
8,625 corporations
Kitchener
8,253 corporations
Hamilton
8,033 corporations
Milton
7,218 corporations
Vaughan
6,925 corporations
Etobicoke
5,780 corporations
Oshawa
5,204 corporations
Windsor
5,043 corporations
Ajax
4,796 corporations
Burlington
4,733 corporations
Cambridge
4,722 corporations
Whitby
4,381 corporations
Pickering
3,777 corporations
Barrie
3,591 corporations
Caledon
3,409 corporations
Thornhill
3,165 corporations
Waterloo
3,082 corporations
Newmarket
2,783 corporations
Guelph
2,737 corporations
Nepean
2,686 corporations
Woodbridge
2,277 corporations

Search the official register at Corporations Canada.

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About this record

Every active federally incorporated business in Canada, with where it is registered, the legislation it is incorporated under, and the year it last filed. Search 644,000 corporations by name, or browse by province and city.

Source: Corporations Canada β€” Federal Corporations (open data) β€” Open Government Licence – Canada. Data refreshes daily. Every page links the row it came from.

What this site is not. It is a copy of an official record. It is not a judgement about any business, building or person, and it is not advice. If the record is wrong, the source above is where it is corrected.