Firm Index · Practice × market
Top Tax firms in Ottawa
The firms combining the deepest tax footprint with a presence in Ottawa, ranked by the Sartori Firm Index.
Tax firms in Ottawa
These law firms pair a strong public Tax footprint with a recorded presence in Ottawa, ranked by the Sartori Firm Index — a 0–100 measure of scale, reach and hiring built from public data. The ranking reflects public footprint and momentum, not the quality of any firm's tax work in Ottawa.
| # | Firm | Index | Tier | Attorneys mapped | Markets |
|---|---|---|---|---|---|
| 1 | Fasken | 58.4 | International | 1,000–1,500 | Toronto, Montreal, Vancouver… |
| 2 | Blake Cassels & Graydon | 43.5 | International | 1,000–1,500 | Toronto, Vancouver, Calgary… |
| 3 | Stikeman Elliott | 41.1 | International | 500–1,000 | Toronto, Montreal, Calgary… |
| 4 | Osler Hoskin & Harcourt | 39.8 | International | 500–1,000 | Toronto, Montreal, Calgary… |
| 5 | Bennett Jones | 39.5 | International | 500–1,000 | Toronto, Calgary, Vancouver… |
Index measures public footprint and momentum, not quality or prestige. Methodology. Spot an error? Tell us.
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Tax · Ottawa
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