Best Law Firms in Ontario for Corporate Law
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Firm Name
No. of Overall National Rankings
No. of Overall Regional Rankings
Aird & Berlis LLP
18 Overall National Rankings
43 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Allen McDonald Swartz LLP
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
Bennett Jones LLP
20 Overall National Rankings
94 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Environmental Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Blake, Cassels & Graydon LLP
26 Overall National Rankings
144 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Banking and Finance Law
"Law Firm of the Year" Award in Mergers and Acquisitions Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Blaney McMurtry LLP
7 Overall National Rankings
24 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate Law
Bliss White Professional Corporation
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 3 in Toronto for Corporate Law
Borden Ladner Gervais LLP
30 Overall National Rankings
174 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Corporate Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Regional Tier 2 in Ottawa for Corporate Law
Brazeau Seller LLP
‐
5 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Ottawa for Corporate Law
Brown Beattie O'Donovan LLP
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 3 in London/Windsor for Corporate Law
Cassels Brock & Blackwell LLP
17 Overall National Rankings
59 Overall Regional Rankings
Canada 2025
National Tier 2 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Dale & Lessmann LLP
‐
5 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate Law
Davies Ward Phillips & Vineberg LLP
23 Overall National Rankings
72 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Trusts and Estates
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Dentons Canada LLP
24 Overall National Rankings
161 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate Law
Regional Tier 1 in Ottawa for Corporate Law
Regional Tier 1 in Toronto for Corporate Law
DLA Piper (Canada) LLP
19 Overall National Rankings
67 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate Law
Regional Tier 2 in Toronto for Corporate Law
Fasken
30 Overall National Rankings
188 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate Law
Regional Tier 1 in Ottawa for Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Fogler, Rubinoff LLP
6 Overall National Rankings
28 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
Gardiner Roberts LLP
3 Overall National Rankings
20 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
Goodmans LLP
18 Overall National Rankings
40 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Entertainment Law
"Law Firm of the Year" Award in Real Estate Law
National Tier 3 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Gowling WLG
28 Overall National Rankings
173 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Advertising and Marketing Law
National Tier 1 in Corporate Law
Regional Tier 1 in Hamilton for Corporate Law
Regional Tier 1 in Ottawa for Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Graham Gow Professional Corporation
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate Law
Hansell McLaughlin Advisory Group LLP
1 Overall National Ranking
2 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Harrison Pensa LLP
‐
12 Overall Regional Rankings
Canada 2025
Regional Tier 2 in London/Windsor for Corporate Law
Holmberg Watson Business & Estate Lawyers
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
INQ Law LLP
1 Overall National Ranking
4 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate Law
KPMG Law LLP
4 Overall National Rankings
20 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Tax Law
Regional Tier 2 in Toronto for Corporate Law
LaBarge Weinstein LLP
‐
6 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Ottawa for Corporate Law
Lerners LLP
10 Overall National Rankings
39 Overall Regional Rankings
Canada 2025
Regional Tier 1 in London/Windsor for Corporate Law
Marvin Yontef PC
‐
4 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
McCarthy Tétrault LLP
27 Overall National Rankings
137 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Energy Law
"Law Firm of the Year" Award in Mining Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
McKenzie Lake Lawyers LLP
‐
12 Overall Regional Rankings
Canada 2025
Regional Tier 2 in London/Windsor for Corporate Law
Regional Tier 3 in Hamilton for Corporate Law
McMillan LLP
19 Overall National Rankings
93 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Competition / Antitrust Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Miller Thomson LLP
19 Overall National Rankings
130 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate Law
Regional Tier 1 in Hamilton for Corporate Law
Regional Tier 1 in London/Windsor for Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
3 Overall National Rankings
10 Overall Regional Rankings
Canada 2025
National Tier 2 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
MPA Morrison Park Advisors Inc.
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
Norton Rose Fulbright Canada LLP
27 Overall National Rankings
168 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Alternative Dispute Resolution
"Law Firm of the Year" Award in Privacy and Data Security Law
National Tier 1 in Corporate Law
Regional Tier 1 in Ottawa for Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Osler, Hoskin & Harcourt LLP
27 Overall National Rankings
113 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Appellate Practice
"Law Firm of the Year" Award in Insolvency and Financial Restructuring Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Owens Wright LLP
1 Overall National Ranking
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate Law
Perley-Robertson, Hill & McDougall LLP
1 Overall National Ranking
11 Overall Regional Rankings
Canada 2025
Regional Tier 1 in Ottawa for Corporate Law
S. Dixie Ho, Professional Corporation
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate Law
Siskinds LLP
1 Overall National Ranking
12 Overall Regional Rankings
Canada 2025
Regional Tier 1 in London/Windsor for Corporate Law
Sorbara, Schumacher, McCann LLP
‐
6 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Hamilton for Corporate Law
Sotos LLP
2 Overall National Rankings
5 Overall Regional Rankings
Canada 2025
National Tier 2 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Stikeman Elliott LLP
25 Overall National Rankings
115 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Leveraged Buyouts and Private Equity Law
National Tier 1 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Torkin Manes LLP
7 Overall National Rankings
26 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Torys LLP
22 Overall National Rankings
66 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Securities Law
National Tier 2 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
WeirFoulds LLP
9 Overall National Rankings
27 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
Wildeboer Dellelce LLP
5 Overall National Rankings
8 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate Law
Regional Tier 1 in Toronto for Corporate Law
