Best Law Firms in Ontario for Corporate and Commercial Litigation
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Firm Name
No. of Overall National Rankings
No. of Overall Regional Rankings
Keenberg & Co
1 Overall National Ranking
1 Overall Regional Ranking
Canada 2025
National Tier 2 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Gillian Hnatiw & Co Advocates
4 Overall National Rankings
6 Overall Regional Rankings
Canada 2025
National Tier 2 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Colson Winterstein LLP
2 Overall National Rankings
2 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Chernos Flaherty Svonkin LLP
1 Overall National Ranking
5 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Zacks Law
1 Overall National Ranking
1 Overall Regional Ranking
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Wright Temelini LLP
1 Overall National Ranking
2 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Wood Bull LLP
‐
4 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
Williams Litigation Lawyers
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Ottawa for Corporate and Commercial Litigation
Whelton Hiutin LLP
1 Overall National Ranking
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
WeirFoulds LLP
9 Overall National Rankings
27 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Weintraub Huang LLP
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
Waddell Phillips, A Professional Corporation
1 Overall National Ranking
5 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Tyr LLP
8 Overall National Rankings
12 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Torys LLP
22 Overall National Rankings
66 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Securities Law
National Tier 1 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Torkin Manes LLP
7 Overall National Rankings
26 Overall Regional Rankings
Canada 2025
National Tier 2 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
TMA Law
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Hamilton for Corporate and Commercial Litigation
Thornton Grout Finnigan LLP
2 Overall National Rankings
4 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Thomas Gold Pettingill LLP
1 Overall National Ranking
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
Tereposky & DeRose LLP
‐
6 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Ottawa for Corporate and Commercial Litigation
TAP Law Professional Corporation
2 Overall National Rankings
2 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Strosberg Wingfield Sasso LLP
‐
7 Overall Regional Rankings
Canada 2025
Regional Tier 3 in London/Windsor for Corporate and Commercial Litigation
Stroh & Co.
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
Stockwoods LLP
8 Overall National Rankings
12 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial 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 1 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Stieber Berlach LLP
2 Overall National Rankings
7 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
Sorbara, Schumacher, McCann LLP
‐
6 Overall Regional Rankings
Canada 2025
Regional Tier 1 in Hamilton for Corporate and Commercial Litigation
Soloway Wright LLP
2 Overall National Rankings
10 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Ottawa for Corporate and Commercial Litigation
Smockum Zarnett LLP
2 Overall National Rankings
3 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
SmithValeriote Law Firm LLP
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 1 in Hamilton for Corporate and Commercial Litigation
Singleton Urquhart Reynolds Vogel LLP
5 Overall National Rankings
23 Overall Regional Rankings
Canada 2025
"Law Firm of the Year" Award in Construction Law
National Tier 2 in Corporate and Commercial Litigation
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
SimpsonWigle LLP
‐
4 Overall Regional Rankings
Canada 2025
Regional Tier 1 in Hamilton for Corporate and Commercial Litigation
Scarfone Hawkins LLP
‐
7 Overall Regional Rankings
Canada 2025
Regional Tier 1 in Hamilton for Corporate and Commercial Litigation
Rueters Law LLP
‐
2 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
Roy O'Connor LLP
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
Ross Nasseri LLP
3 Overall National Rankings
5 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Ross & McBride LLP
‐
7 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Hamilton for Corporate and Commercial Litigation
Robins Appleby LLP
1 Overall National Ranking
5 Overall Regional Rankings
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
Ricketts, Harris LLP
1 Overall National Ranking
6 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
Reconstruct LLP
2 Overall National Rankings
2 Overall Regional Rankings
Canada 2025
National Tier 1 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Pulver on Condos
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 3 in Toronto for Corporate and Commercial Litigation
Porter Litigation
‐
3 Overall Regional Rankings
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
Polley Faith LLP
2 Overall National Rankings
3 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Perley-Robertson, Hill & McDougall LLP
1 Overall National Ranking
11 Overall Regional Rankings
Canada 2025
Regional Tier 1 in Ottawa for Corporate and Commercial Litigation
Patricia D S Jackson
2 Overall National Rankings
7 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Pape Chaudhury LLP
4 Overall National Rankings
6 Overall Regional Rankings
Canada 2025
National Tier 3 in Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial 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 Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial 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 Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
Orr Taylor LLP
‐
1 Overall Regional Ranking
Canada 2025
Regional Tier 2 in Toronto for Corporate and Commercial Litigation
Olthuis van Ert
3 Overall National Rankings
5 Overall Regional Rankings
Canada 2025
National Tier 2 in Corporate and Commercial Litigation
Regional Tier 1 in Ottawa for Corporate and Commercial 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 Corporate and Commercial Litigation
Regional Tier 1 in Ottawa for Corporate and Commercial Litigation
Regional Tier 1 in Toronto for Corporate and Commercial Litigation
