Company lists · Data refreshed September 2026

Top 25 Expat tax law firms based in Canada

RevenueBase identified 200 company matches for expat tax law firms associated with Canada as of September 2026 and tracks 2,329 professional contacts across them, including 1,258 with verified work emails. Toronto is the largest hub.

This list covers company matches for expat tax law firms associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
200Companies
2,329Contacts tracked
1,258Verified emails
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The 25 largest expat tax law firms based in Canada

Ranked by team size
Top 25 of 200 company matches for expat tax law firms based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMontréal, QC, CanadaHQ recorded Sep 28, 2026201-500546 contacts →

Exact match

“Over a century of legal advice to domestic and international organizations has made Lavery Lawyers the leading independent law firm in Quebec (Canadian Lawyer).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202651-200161 contacts →

Exact match

“Trowbridge Professional Corporation is a long established global accounting firm that provides a wide range of personal and corporate tax services, specializing in international…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchOttawa, ON, CanadaHQ recorded Sep 28, 202651-200109 contacts →

Exact match

“Marcil Lavallée est un partenaire engagé qui contribue activement à la réussite de ses clients en anticipant leurs besoins et en leur offrant une gamme complète de solutions…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchVancouver, BC, CanadaHQ recorded Sep 28, 202651-200106 contacts →

Exact match

“Thorsteinssons is the largest Canadian law firm practicing exclusively in Tax.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchCalgary, AB, CanadaHQ recorded Sep 28, 202611-5089 contacts →

Exact match

“Moodys Private Client is the home of Moodys Tax Law, Moodys Private Client Law, and Moodys Private Client Accounting.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchCalgary, AB, CanadaHQ recorded Sep 28, 202651-20071 contacts →

Exact match

“At KMSS we strive to provide an extraordinary experience.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchEdmonton, AB, CanadaHQ recorded Sep 28, 202651-20070 contacts →

Exact match

“With offices in Calgary, Edmonton and Saskatoon, Felesky Flynn LLP provides Canadian and international tax planning, tax representation and litigation, and wills and estates…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchBrossard, QC, CanadaHQ recorded Sep 28, 202651-20051 contacts →

Exact match

“Services * Expansion américaine et/ou internationale;* Conformité fiscale américaine (corporative);* Conformité fiscale américaine (individu);* « Snowbirds » et immobilier…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchVancouver, BC, CanadaHQ recorded Sep 28, 202611-5043 contacts →

Exact match

“Segev LLP is a international law firm headquartered in Vancouver, Canada.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchVancouver, BC, CanadaHQ recorded Sep 28, 202611-5043 contacts →

Exact match

“Legacy Tax + Trust Lawyers is a dynamic boutique law firm in the heart of downtown Vancouver.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202611-5041 contacts →

Exact match

“Cadesky Tax is an independent tax consulting firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202611-5033 contacts →

Exact match

“Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchBrossard, QC, CanadaHQ recorded Sep 28, 202651-20031 contacts →

Exact match

“Planification fiscale, financière et successorale”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchVancouver, BC, CanadaHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“Our firm was founded to provide quality cross-border tax services based on the following 4 key principles: Effective tax planning We try to provide value for our fees whether we…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202651-20021 contacts →

Exact match

“As part of a larger network of over 2,500 lawyers across more than 85 countries, PwC Law LLP has offices and lawyers in Toronto, Montreal, Vancouver and Calgary.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchMontréal, QC, CanadaHQ recorded Sep 28, 20261-1018 contacts →

Exact match

“With more than 25 years of combined experience, we are proud at Levy Salis LLP to provide our clients with tailored services to meet their Canadian, US and Israeli tax and estate…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLaval, QC, CanadaHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“Bureau d’avocats et avocats-fiscalistes spécialisés en droit des affaires, planification fiscale et successorale ainsi qu’en litige civil et commercial.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“Taxpayer Law | Tax Litigation & Dispute Resolution For inquiries, contact igor@taxpayer.law or visit At Taxpayer Law, we focus exclusively on tax litigation and dispute resolution.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchVictoriaville, QC, CanadaHQ recorded Sep 28, 202651-20015 contacts →

Exact match

“Pellerin Aubert Ramsay Provencher inc, fondé en 1980, a son siège social à Victoriaville.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMontreal, QC, CanadaHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“A renowned firm specializing in business law and international trade, Affilia Legal LLP, comprehensively addresses the legal service needs of internationally oriented businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchMontréal, QC, CanadaHQ recorded Sep 28, 202611-5014 contacts →

Exact match

“Barsalou Lawson Rheault is recognized as one of Canada’s leading tax law firms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchCalgary, AB, CanadaHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“Firm Profile Founded in Strategic Tax & Business Solutions Inc.(STBS) quickly earned a reputation for providing our clients with outstanding customer service as well as providing…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchToronto, ON, CanadaHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“O'Sullivan Estate Lawyers is a boutique law firm located in Toronto, Canada with a focus on multi-jurisdictional, cross-border and domestic trusts and estates matters.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchRed Deer, AB, CanadaHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Summit Strategies is a well rounded multi-disciplinary firm of professionals.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchMontréal, QC, CanadaHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“Depuis plus de 50 ans, l'offre de Martel Cantin est simple: un accompagnement empathique et stratégique.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 200 expat tax law firms based in Canada

See the full list, filter by size, metro and specialty, and access 1,258 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Expat tax law firms based in Canada at a glance

As of Sep 28, 2026
54.0%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
14.5%Largest-city concentration · Toronto
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
133
11-50
52
51-200
10
201-500
1
501-1,000
1

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 200 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Canada whose business descriptions match “expat tax law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,258 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Expat tax law firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “expat tax law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many expat tax law firms are there based in Canada?

RevenueBase identified 200 company matches for expat tax law firms associated with Canada as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Lavery tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most expat tax law firms?

Toronto leads with 29 company records, followed by Montreal (22) and Vancouver (19).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,258 professional contacts with verified work emails tracked across these 200 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.