Best Law Firms in Ontario for Class Action Litigation
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Firm Name
No. of Overall National Rankings
No. of Overall Regional Rankings
Chernos Flaherty Svonkin LLP
1 Overall National Ranking
5 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Class Action Litigation
Koskie Minsky LLP
3 Overall National Rankings
7 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Class Action Litigation
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Affleck Greene McMurtry LLP
5 Overall National Rankings
5 Overall Regional Rankings
Canada 2025
National Tier 3 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Aird & Berlis LLP
18 Overall National Rankings
43 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Babin Bessner Spry LLP
2 Overall National Rankings
5 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Bates Barristers
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Blaney McMurtry LLP
7 Overall National Rankings
24 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Cambridge LLP
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Cassels Brock & Blackwell LLP
17 Overall National Rankings
59 Overall Regional Rankings
Canada 2025
National Tier 3 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Clyde & Co LLP
5 Overall National Rankings
34 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Insurance Law
National Tier 3 in Class Action Litigation
Regional Tier 3 in Toronto for Class Action Litigation
Crawley MacKewn Brush LLP
4 Overall National Rankings
6 Overall Regional Rankings
Canada 2025
National Tier 2 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
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 2 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Dentons Canada LLP
24 Overall National Rankings
161 Overall Regional Rankings
Canada 2025
National Tier 2 in Class Action Litigation
Regional Tier 3 in Toronto for Class Action Litigation
EY Law LLP
2 Overall National Rankings
14 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Class Action Litigation
Fasken
30 Overall National Rankings
188 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Foreman & Company
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 3 in London/Windsor for Class Action Litigation
Glaspell Class Actions
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Goldblatt Partners LLP
3 Overall National Rankings
8 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
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 2 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Harrison ADR Professional Corporation
‐
5 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Henein Hutchison Robitaille LLP
5 Overall National Rankings
9 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Class Action Litigation
Kalloghlian Myers
1 Overall National Ranking
2 Overall Regional Rankings
Canada 2025
National Tier 3 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Lax O'Sullivan Lisus Gottlieb LLP
9 Overall National Rankings
20 Overall Regional Rankings
Canada 2025
National Tier 3 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Lenczner Slaght
14 Overall National Rankings
25 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Corporate and Commercial Litigation
"Law Firm of the Year" Award in Medical Negligence
National Tier 2 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Lerners LLP
10 Overall National Rankings
39 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in London/Windsor for Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
MacKenzie Barristers Professional Corporation
‐
7 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
McKenzie Lake Lawyers LLP
‐
12 Overall Regional Rankings
Canada 2025
Regional Tier 1 in London/Windsor for Class Action Litigation
McMillan LLP
19 Overall National Rankings
93 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Competition / Antitrust Law
National Tier 2 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Miller Thomson LLP
19 Overall National Rankings
130 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Paliare Roland Rosenberg Rothstein LLP
10 Overall National Rankings
14 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Administrative and Public Law
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Pape Chaudhury LLP
4 Overall National Rankings
6 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Patricia D S Jackson
2 Overall National Rankings
7 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Rochon Genova LLP
1 Overall National Ranking
5 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Siskinds LLP
1 Overall National Ranking
12 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Regional Tier 2 in London/Windsor for Class Action Litigation
Sotos LLP
2 Overall National Rankings
5 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Stieber Berlach LLP
2 Overall National Rankings
7 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
Stieber Law
2 Overall National Rankings
7 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Class Action Litigation
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 2 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Stockwoods LLP
8 Overall National Rankings
12 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Strosberg Wingfield Sasso LLP
‐
7 Overall Regional Rankings
Canada 2025
Regional Tier 1 in London/Windsor for Class Action Litigation
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 Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Tyr LLP
8 Overall National Rankings
12 Overall Regional Rankings
Canada 2025
National Tier 1 in Class Action Litigation
Regional Tier 1 in Toronto for Class Action Litigation
Waddell Phillips, A Professional Corporation
1 Overall National Ranking
5 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Class Action Litigation
