Company lists · Data refreshed September 2026
Top 17 Large accounting firms based in Markham, Canada
RevenueBase identified 27 company matches for large accounting firms associated with Markham, Canada as of September 2026 and tracks 390 professional contacts across them, including 187 with verified work emails. Across Canada, Toronto is the largest hub for this category (161 companies); Markham has 27.
This list covers company matches for large accounting firms associated with Markham, 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 21, 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.
The 17 largest large accounting firms based in Markham, Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 82 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 59 contacts → | ||||
Exact match “Norton McMullen LLP is a mid-sized accounting firm based out of Markham, ON, Canada.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 53 contacts → | ||||
Exact match “Kraft Berger LLP is a multidisciplinary accounting firm that has been trusted by clients since 1942.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 33 contacts → | ||||
Exact match “Kreston GTA offers partner-led Chartered Professional Accountant services for corporations, small to midsize companies, individuals, nonprofit organizations and entrepreneurs in a…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “From the firm’s very inception, we've been dedicated to meeting the needs of Canadian small and mid-size enterprises.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 22 contacts → | ||||
Exact match “Truster Zweig Raithatha LLP is a Canadian accounting firm based out of the GTA that specializes in complex tax and estate planning solutions offered via its team at TZR Tax™.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “For 31 years, Scarrow Yurman & Co.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “At Jayce LLP, our unwavering mission is to empower businesses and individuals through the provision of exceptional accounting services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “Located in Markham, with branch office in Mississauga, Ontario, CAN Partners LLP is to provide our valued clients with professional, reliable, and comprehensive services across…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “For more than a decade, BDCA Chartered Professional Accountants has provided personalized service to businesses and individuals in the Greater Toronto Area.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Established in Toronto, Ontario in 1970, Applebaum, Commisso LLP (Formerly Hauer, Snider and Applebaum) is a highly-respected public accounting firm serving the needs of its…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “We are an approachable Accounting Firm based in Markham, Ontario, that brings a wealth of experience and personalized touch to Audit, Accounting, Bookkeeping, Tax & Advisory…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Siddiqi CPA is a professional services accounting firm located Markham, Ontario.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “We provide accounting services to the public in Ontario.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Peter Ott, CPA, CA, CBV is a Chartered Business Valuator that specializes in the analysis and valuation of business enterprises, shareholder ownership interests, intangible…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “large accounting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 17 of 27 large accounting firms based in Markham, Canada
See the full list, filter by size, metro and specialty, and access 187 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Large accounting firms based in Markham, Canada at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole Canada list rather than for Markham, so it is reported there. Company counts and contact totals on this page are exact for Markham, over 27 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 Markham, Canada whose business descriptions match “large accounting 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 187 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 21, 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.
Large accounting firms by metro in Canada
- Large accounting firms in Toronto161
- Large accounting firms in Calgary92
- Large accounting firms in Mississauga89
- Large accounting firms in Vancouver82
- Large accounting firms in Montreal75
- Large accounting firms in Edmonton53
- Large accounting firms in Surrey34
- Large accounting firms in Laval31
- Large accounting firms in Ottawa31
- Large accounting firms in Vaughan26
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 “large accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many large accounting firms are there based in Markham, Canada?
RevenueBase identified 27 company matches for large accounting firms associated with Markham, 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?
KRP LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Canada has the most large accounting firms?
Toronto leads Canada with 161 company records, followed by Calgary (92) and Mississauga (89). Markham has 27.
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 187 professional contacts with verified work emails tracked across these 27 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 27 large accounting firms based in Markham, Canada. Start with a free account, no credit card.
Download this list →Related lists
Large accounting firms by geography
- Large accounting firms based in Buenos Aires, Argentina
- Large accounting firms based in Adelaide, Australia
- Large accounting firms based in Brisbane, Australia
- Large accounting firms based in Melbourne, Australia
- Large accounting firms based in Sydney, Australia
- Large accounting firms based in Vienna, Austria
- Large accounting firms based in Dhaka, Bangladesh
- Large accounting firms based in Belo Horizonte, Brazil
- Large accounting firms based in Blumenau, Brazil
- Large accounting firms based in Campinas, Brazil
- Large accounting firms based in Caxias Do Sul, Brazil
- Large accounting firms based in Curitiba, Brazil
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Large accounting firms based in Buenos Aires, Argentina
- Large accounting firms based in Adelaide, Australia
- Large accounting firms based in Brisbane, Australia
- Large accounting firms based in Melbourne, Australia
- Large accounting firms based in Sydney, Australia
- Large accounting firms based in Vienna, Austria
Company intelligence · public preview
Top 17 large accounting firms based in Markham, Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 27 matching company records for large accounting firms based in Markham, Canada, with 390 tracked contacts and 187 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 large accounting firms based in Markham, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  KRP LLPkrp.caHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 82 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Norton Mcmullen LLPnmcpa.caHQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 59 contacts → |
“Norton McMullen LLP is a mid-sized accounting firm based out of Markham, ON, Canada.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 53 contacts → |
“Kraft Berger LLP is a multidisciplinary accounting firm that has been trusted by clients since 1942.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kreston GTAkrestongta.comHQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 33 contacts → |
“Kreston GTA offers partner-led Chartered Professional Accountant services for corporations, small to midsize companies, individuals, nonprofit organizations and entrepreneurs in a…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  HSM LLP Chartered Professional Accountantshsmllpcas.comHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 30 contacts → |
“From the firm’s very inception, we've been dedicated to meeting the needs of Canadian small and mid-size enterprises.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Truster Zweig Raithatha LLPtzrllp.comHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 22 contacts → |
“Truster Zweig Raithatha LLP is a Canadian accounting firm based out of the GTA that specializes in complex tax and estate planning solutions offered via its team at TZR Tax™.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Scarrow Yurman & COsyccpa.comHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 14 contacts → |
“For 31 years, Scarrow Yurman & Co.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  M & COmandco.caHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Jayce LLPjayce.caHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 12 contacts → |
“At Jayce LLP, our unwavering mission is to empower businesses and individuals through the provision of exceptional accounting services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  CAN Partners LLPcanllp.caHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 11 contacts → |
“Located in Markham, with branch office in Mississauga, Ontario, CAN Partners LLP is to provide our valued clients with professional, reliable, and comprehensive services across…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bdca Chartered Professional Accountantsdoanegrantthornton.caHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 10 contacts → |
“For more than a decade, BDCA Chartered Professional Accountants has provided personalized service to businesses and individuals in the Greater Toronto Area.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Applebaum Commisso Llp, Chartered Professional Accountantsapplebaum-commisso.comHQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 9 contacts → |
“Established in Toronto, Ontario in 1970, Applebaum, Commisso LLP (Formerly Hauer, Snider and Applebaum) is a highly-respected public accounting firm serving the needs of its…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Kssp Partners LLPkssp.caHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 6 contacts → |
“We are an approachable Accounting Firm based in Markham, Ontario, that brings a wealth of experience and personalized touch to Audit, Accounting, Bookkeeping, Tax & Advisory…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  C.M. Kapur Professional Corporationcmkapur.caHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Siddiqi CPAsiddiqicpa.comHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Siddiqi CPA is a professional services accounting firm located Markham, Ontario.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Bana Professional Corporationbpcorp.caHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 3 contacts → |
“We provide accounting services to the public in Ontario.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Peter OTT & Associates INCpeterott.caHQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 1 contacts → |
“Peter Ott, CPA, CA, CBV is a Chartered Business Valuator that specializes in the analysis and valuation of business enterprises, shareholder ownership interests, intangible…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 27 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Large accounting firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
26 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Canada list rather than for Markham, so it is reported there. Company counts and contact totals on this page are exact for Markham, over 27 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Large accounting firms by metro in Canada
- Large accounting firms in Toronto161
- Large accounting firms in Calgary92
- Large accounting firms in Mississauga89
- Large accounting firms in Vancouver82
- Large accounting firms in Montreal75
- Large accounting firms in Edmonton53
- Large accounting firms in Surrey34
- Large accounting firms in Laval31
- Large accounting firms in Ottawa31
- Large accounting firms in Vaughan26
Questions about this company list
What does Exact match mean for large accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large accounting firms did RevenueBase find based in Markham, Canada?
The saved snapshot records 27 matching company records, 390 tracked contacts and 187 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Large accounting firms by geography
- Large accounting firms based in Buenos Aires, Argentina
- Large accounting firms based in Adelaide, Australia
- Large accounting firms based in Brisbane, Australia
- Large accounting firms based in Melbourne, Australia
- Large accounting firms based in Sydney, Australia
- Large accounting firms based in Vienna, Austria
- Large accounting firms based in Dhaka, Bangladesh
- Large accounting firms based in Belo Horizonte, Brazil
- Large accounting firms based in Blumenau, Brazil
- Large accounting firms based in Campinas, Brazil
- Large accounting firms based in Caxias Do Sul, Brazil
- Large accounting firms based in Curitiba, Brazil
Cite this list
RevenueBase Data Team. Top 17 large accounting firms based in Markham, Canada. Snapshot: September 21, 2026. https://revenuebase.ai/companies/large-accounting-firms/canada/markham.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Large accounting firms based in Buenos Aires, Argentina
- Large accounting firms based in Adelaide, Australia
- Large accounting firms based in Brisbane, Australia
- Large accounting firms based in Melbourne, Australia
- Large accounting firms based in Sydney, Australia
- Large accounting firms based in Vienna, Austria
Company intelligence · public preview
Top 17 large accounting firms based in Markham, Canada
RevenueBase records 27 matching company records for large accounting firms based in Markham, Canada, with 390 tracked contacts and 187 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 large accounting firms based in Markham, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | KRP LLPkrp.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 82 contacts → |
“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 description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Norton Mcmullen LLPnmcpa.ca HQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 59 contacts → |
“Norton McMullen LLP is a mid-sized accounting firm based out of Markham, ON, Canada.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 53 contacts → |
“Kraft Berger LLP is a multidisciplinary accounting firm that has been trusted by clients since 1942.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kreston GTAkrestongta.com HQ: Markham, ON, CanadaReported employees: 51-200 | Markham, ON, Canada | 51-200 | Exact match | 33 contacts → |
“Kreston GTA offers partner-led Chartered Professional Accountant services for corporations, small to midsize companies, individuals, nonprofit organizations and entrepreneurs in a…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HSM LLP Chartered Professional Accountantshsmllpcas.com HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 30 contacts → |
“From the firm’s very inception, we've been dedicated to meeting the needs of Canadian small and mid-size enterprises.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Truster Zweig Raithatha LLPtzrllp.com HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 22 contacts → |
“Truster Zweig Raithatha LLP is a Canadian accounting firm based out of the GTA that specializes in complex tax and estate planning solutions offered via its team at TZR Tax™.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Scarrow Yurman & COsyccpa.com HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 14 contacts → |
“For 31 years, Scarrow Yurman & Co.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | M & COmandco.ca HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Jayce LLPjayce.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 12 contacts → |
“At Jayce LLP, our unwavering mission is to empower businesses and individuals through the provision of exceptional accounting services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | CAN Partners LLPcanllp.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 11 contacts → |
“Located in Markham, with branch office in Mississauga, Ontario, CAN Partners LLP is to provide our valued clients with professional, reliable, and comprehensive services across…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bdca Chartered Professional Accountantsdoanegrantthornton.ca HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 10 contacts → |
“For more than a decade, BDCA Chartered Professional Accountants has provided personalized service to businesses and individuals in the Greater Toronto Area.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Applebaum Commisso Llp, Chartered Professional Accountantsapplebaum-commisso.com HQ: Markham, ON, CanadaReported employees: 11-50 | Markham, ON, Canada | 11-50 | Exact match | 9 contacts → |
“Established in Toronto, Ontario in 1970, Applebaum, Commisso LLP (Formerly Hauer, Snider and Applebaum) is a highly-respected public accounting firm serving the needs of its…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kssp Partners LLPkssp.ca HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 6 contacts → |
“We are an approachable Accounting Firm based in Markham, Ontario, that brings a wealth of experience and personalized touch to Audit, Accounting, Bookkeeping, Tax & Advisory…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | C.M. Kapur Professional Corporationcmkapur.ca HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Siddiqi CPAsiddiqicpa.com HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 4 contacts → |
“Siddiqi CPA is a professional services accounting firm located Markham, Ontario.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bana Professional Corporationbpcorp.ca HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 3 contacts → |
“We provide accounting services to the public in Ontario.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Peter OTT & Associates INCpeterott.ca HQ: Markham, ON, CanadaReported employees: 1-10 | Markham, ON, Canada | 1-10 | Exact match | 1 contacts → |
“Peter Ott, CPA, CA, CBV is a Chartered Business Valuator that specializes in the analysis and valuation of business enterprises, shareholder ownership interests, intangible…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 27 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Large accounting firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
26 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Canada list rather than for Markham, so it is reported there. Company counts and contact totals on this page are exact for Markham, over 27 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Large accounting firms by metro in Canada
- Large accounting firms in Toronto161
- Large accounting firms in Calgary92
- Large accounting firms in Mississauga89
- Large accounting firms in Vancouver82
- Large accounting firms in Montreal75
- Large accounting firms in Edmonton53
- Large accounting firms in Surrey34
- Large accounting firms in Laval31
- Large accounting firms in Ottawa31
- Large accounting firms in Vaughan26
Questions about this company list
What does Exact match mean for large accounting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large accounting firms did RevenueBase find based in Markham, Canada?
The saved snapshot records 27 matching company records, 390 tracked contacts and 187 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Large accounting firms by geography
- Large accounting firms based in Buenos Aires, Argentina
- Large accounting firms based in Adelaide, Australia
- Large accounting firms based in Brisbane, Australia
- Large accounting firms based in Melbourne, Australia
- Large accounting firms based in Sydney, Australia
- Large accounting firms based in Vienna, Austria
- Large accounting firms based in Dhaka, Bangladesh
- Large accounting firms based in Belo Horizonte, Brazil
- Large accounting firms based in Blumenau, Brazil
- Large accounting firms based in Campinas, Brazil
- Large accounting firms based in Caxias Do Sul, Brazil
- Large accounting firms based in Curitiba, Brazil
Cite this list
RevenueBase Data Team. Top 17 large accounting firms based in Markham, Canada. Snapshot: September 21, 2026. https://revenuebase.ai/companies/large-accounting-firms/canada/markham.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Large accounting firms based in Buenos Aires, Argentina
- Large accounting firms based in Adelaide, Australia
- Large accounting firms based in Brisbane, Australia
- Large accounting firms based in Melbourne, Australia
- Large accounting firms based in Sydney, Australia
- Large accounting firms based in Vienna, Austria