Company lists · Data refreshed November 2026

Top 25 Cross-border tax advisors based in Canada

RevenueBase identified 651 company matches for cross-border tax advisors associated with Canada as of November 2026 and tracks 15,951 professional contacts across them, including 8,449 with verified work emails. Toronto is the largest hub.

This list covers company matches for cross-border tax advisors 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 November 6, 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 Nov 6, 2026 How this list was built
651Companies
15,951Contacts tracked
8,449Verified emails
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The 25 largest cross-border tax advisors based in Canada

Ranked by team size
Top 25 of 651 company matches for cross-border tax advisors based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchCalgary, AB, CanadaHQ recorded Nov 6, 20265,001-10,0009,206 contacts →

Exact match

“MNP is a leading national accounting, tax and business consulting firm in Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 2026201-500341 contacts →

Exact match

“DMCL LLP is a full-service accounting firm dedicated to helping you achieve and exceed your business goals, no matter how ambitious.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCalgary, ON, CanadaHQ recorded Nov 6, 2026201-500270 contacts →

Exact match

“For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200192 contacts →

Exact match

“Work together with people excited by your goals and eager to address your unique business needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-200180 contacts →

Exact match

“Zeifmans is a full-service tax, accounting and consulting firm based in Toronto, Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, ON, CanadaHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“At Davis Martindale, our accountants work to bring you the peace of mind you’re in search of with a touch of personality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVancouver, ON, CanadaHQ recorded Nov 6, 202651-200116 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-200105 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLeamington, ON, CanadaHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“With a deep affinity for progress and bold entrepreneurialism, Melo LLP is an integrated, multidisciplinary team committed to driving business sustainability and growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Located in the heart of Downtown Vancouver, Invictus Accounting Group LLP provides consulting, accounting and tax advisory for publicly listed and privately held companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5098 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“GGFL is the tax planning and accounting firm for Ottawa’s successful business people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPeterborough, ON, CanadaHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“At Gauvreau Accounting Tax Law Advisory, entrepreneurship drives everything we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMarkham, ON, CanadaHQ recorded Nov 6, 202611-5085 contacts →

Exact match

“Founded in 1973, KRP LLP provides strategic tax, accounting and assurance, financial advisory and consulting and risk management services to private mid-market organizations and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Logan Katz is a forward-thinking public accounting firm delivering high-quality, client inspired accounting, taxation, assurance and business advisory services in Ottawa and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-20077 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 202651-20077 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“S+C Partners has been providing professional accounting, advisory and tax services across the GTA since 1987.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“At Baker Tilly Ottawa LLP, we provide expert tax, assurance, and entrepreneurial services to help your business grow and prosper.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchThornhill, ON, CanadaHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“Prasad & Company LLP is a proudly Canadian accounting firm with over 35 years of professional experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBrossard, QC, CanadaHQ recorded Nov 6, 202651-20061 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchVancouver, CanadaHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“At Horizon Chartered Professional Accountants we know that financial success is achieved by more than careful planning and experienced decision-making: it is realized through a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEdmonton & Toronto, CanadaHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“At Romanovsky and Associates we are committed to providing high quality services that are needed in today's competitive market place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVictoria, BC, CanadaHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Since 1987, Hutcheson & Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 20261,001-5,00046 contacts →

Exact match

“Palmarès des 100 meilleurs employeurs 2026 | 2025 I 2024 I 2023 I 2022 BDO Canada s.r.l./S.E.N.C.R.L.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 651 cross-border tax advisors based in Canada

See the full list, filter by size, metro and specialty, and access 8,449 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cross-border tax advisors based in Canada at a glance

As of Nov 6, 2026
53.0%Verified-email coverage
24.5Average contacts per company
1-10Median size (employees)
11.8%Largest-city concentration · Toronto
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
449
11-50
147
51-200
27
201-500
5
501-1,000
1
1,001-5,000
1
5,001-10,000
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 651 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 “cross-border tax advisors” 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 8,449 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 November 6, 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.

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 “cross-border tax advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cross-border tax advisors are there based in Canada?

RevenueBase identified 651 company matches for cross-border tax advisors associated with Canada as of November 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?

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

Which city has the most cross-border tax advisors?

Toronto leads with 77 company records, followed by Mississauga (49) and Calgary (43).

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 8,449 professional contacts with verified work emails tracked across these 651 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 November 6, 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.