In Accounting & Tax ServicesRegion Ottawa regional results

What are the best accounting firms in Ottawa, ON?

EditionNov 11, 2026Asked on 5 AI surfacesv5.0

AI Visibility Ranking

Brands ordered by GenRank score for this question.

DirectionalQuestion-level figures rest on at most 5 answers per brand, so treat them as direction, not a verdict; the category ranking is the number to judge by. Scores are for the week of 2026-11-08.

RankBrandNamed byScore
1McCay Duff LLP4/580.2
2Welch LLP5/562.7
3GGFL4/543.9
4Armstrong Jones LLP3/539.9
5Dianna Larkin1/530.0
6Altruistic Accounting2/528.8
7Verma Accounting and Financial Services2/526.5
8Greg Kauffeldt1/526.4
9Charles Ghadban Accounting2/525.5
10Adam Armstrong1/523.0

Sources these answers cited

The sites each surface's answer cited this week. The logos are the surfaces that cited the site.

SourceCited by
mccayduff.comMcCay Duff LLP | Tax Accounting Advisory | CPA | Ottawa Canada3 surfaces
revenuebase.aiTop 25 Accounting firms for small business based in Ottawa, Canada3 surfaces
armstrongjones.caArmstrong Jones LLP | Ottawa Chartered Professional Accountants2 surfaces
clearlyrated.comBest Ottawa Accounting Firms | ClearlyRated2 surfaces
ggfl.caAccounting Firm Ottawa | Chartered Professional Accountants | GGFL2 surfaces
welchllp.comWelch LLP - Chartered Professional Accountants2 surfaces
advisoryhq.comTop 9 Best Accounting Firms in Ottawa, Ontario, Canada - AdvisoryHQ1 surfaces
altaccounting.ca1 surfaces
boyer-boyer.comPersonal Income Tax Accountants in Ottawa - Boyer & Boyer1 surfaces
business.ottawabot.caAccounting Category | Ottawa Board of Trade1 surfaces
cgatax.comAccounting firm | Ottawa, ON | Charles Ghadban Accounting1 surfaces
clevercanadian.ca5 Choices for the Best Accounting Firms in Ottawa [2026 ]1 surfaces

13 more

Rank trend

Rank trends are drawn once two weekly editions under the same methodology exist. Only the first edition is in so far.