Company lists · Data refreshed September 2026

Top 25 Outsourcing bookkeeping services based in Canada

RevenueBase identified 1,594 outsourcing bookkeeping services headquartered in Canada as of September 2026 and tracks 4,930 professional contacts across them, including 1,275 with verified work emails. Toronto is the largest hub.

This list covers outsourcing bookkeeping services headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
1,594Companies
4,930Contacts tracked
1,275Verified emails
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The 25 largest outsourcing bookkeeping services based in Canada

Ranked by team size
Top 25 of 1,594 outsourcing bookkeeping services based in Canada, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to outsourcing bookkeeping services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceToronto, ON, CanadaHQ checked Sep 21, 2026201-500133 contacts →

Partial evidence

“At Obox Solution Ltd, we support accounting firms and mid-market businesses by providing tailored virtual staffing solutions for bookkeeping, payroll, CFO services, tax, financial…”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceVancouver, BC, CanadaHQ checked Sep 21, 202651-20093 contacts →

Partial evidence

“Enkel is on a mission to disrupt the delivery of accounting and bookkeeping services with transformational cloud-based accounting technology.”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceBrampton, ON, CanadaHQ checked Sep 21, 202611-5063 contacts →

Partial evidence

“At Accounting Farm, we focus on one thing, helping CPA firms in the USA, Canada, UK, and Australia scale smarter with reliable offshore bookkeeping, tax preparation, and complete…”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceToronto, ON, CanadaHQ checked Sep 21, 202611-5041 contacts →

Indirect evidence

“We are passionate to learn about our clients businesses and embark on an unrelenting pursuit of excellence.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceNorth York, ON, CanadaHQ checked Sep 21, 202611-5035 contacts →

Indirect evidence

“Annual yearend preparation: Corporate and self-employed financial statements preparation including filing of corporate and personal income tax returns.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 21, 202611-5028 contacts →

Indirect evidence

“Entrepreneurs sometimes wonder if they need a more accomplished bookkeeper than they currently have.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceToronto, ON, CanadaHQ checked Sep 21, 202611-5028 contacts →

Indirect evidence

“At Orbit Accountants, we are dedicated to being your trusted finance partner at every stage of growth.”

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceCalgary, AB, CanadaHQ checked Sep 21, 202611-5026 contacts →

Partial evidence

“At Wave Taxes Inc, We empower entrepreneurs across Canada to boost their revenue and grow their businesses with our tailored accounting outsourcing solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceNorth York, ON, CanadaHQ checked Sep 21, 202611-5025 contacts →

Indirect evidence

“Accountor CPA offers a wide range of accounting services for small and medium sized businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceCalgary, AB, CanadaHQ checked Sep 21, 202611-5024 contacts →

Partial evidence

“ACCOUNTING, BOOKKEEPING AND ADVICE.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceToronto, CanadaHQ checked Sep 21, 202611-5024 contacts →

Indirect evidence

“Outsourced finance team for small-medium sized businesses and not for profits.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceSherbrooke, QC, CanadaHQ checked Sep 21, 202611-5022 contacts →

Partial evidence

“Ex & Co accounting firm offers a complete range of services to business owners in matters of accounts, taxation, bookkeeping and payroll.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceOttawa, ON, CanadaHQ checked Sep 21, 202611-5020 contacts →

Indirect evidence

“We’re a laid-back team of professionals working together to solve a tough problem.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceOshawa, ON, CanadaHQ checked Sep 21, 202611-5020 contacts →

Indirect evidence

“At Automate Accounts, we combine our expertise in accounting with cutting-edge automation technology to provide our clients with efficient and reliable financial solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceToronto, ON, CanadaHQ checked Sep 21, 202611-5019 contacts →

Indirect evidence

“We’re your plug-in finance department that once and for all solves all your accounting/finance needs so you can concentrate on building your business.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceToronto, MB, CanadaHQ checked Sep 21, 202611-5019 contacts →

Indirect evidence

“Flexserv becomes the Accounting and HR departments of our small and medium size enterprise clients.”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceWinnipeg, MB, CanadaHQ checked Sep 21, 202611-5019 contacts →

Partial evidence

“balncd was an idea born to address a common issue among small- and medium-sized corporations: having an internal bookkeeping department was expensive and doing the books…”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceSt John’s, NL, CanadaHQ checked Sep 21, 202611-5019 contacts →

Partial evidence

“At Clarified Accounting we aim to simplify accounting, bookkeeping and finance functions for start-ups and small business owners.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceVictoria, BC, CanadaHQ checked Sep 21, 202611-5019 contacts →

Indirect evidence

“To all the Canadian small businesses out there, your success equation starts here with Avalon.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 21, 202611-5019 contacts →

Indirect evidence

“If you're a Canadian small business owner, there are a few ways we can make your life easier/better: 1.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceWhite Rock, BC, CanadaHQ checked Sep 21, 20261-1017 contacts →

Partial evidence

“Eccounting Systems provides a fully integrated online bookkeeping and accounting system.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceEdmonton, AB, CanadaHQ checked Sep 21, 202611-5017 contacts →

Indirect evidence

“Complete subcontractor and small business accounting services.”

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceMississauga, ON, CanadaHQ checked Sep 21, 202611-5017 contacts →

Partial evidence

“Consulting, Business Plans, Bookkeeping, Accounting and Tax Filing Services for small businesses, professionals and individuals.”

Source: RevenueBase Database · checked Sep 21, 2026
24Partial evidenceSurrey, BC, CanadaHQ checked Sep 21, 202611-5017 contacts →

Partial evidence

“Affinity Accountants LLP is a full-service accounting firm based in Surrey, BC, specializing in bookkeeping, assurance, tax, and business consulting.”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceCalgary, AB, CanadaHQ checked Sep 21, 20261-1017 contacts →

Partial evidence

“Resolve Accounting delivers exceptional Accounting and Bookkeeping solutions to small, medium businesses and personal clients throughout Calgary and surrounding areas.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 1,594 outsourcing bookkeeping services based in Canada

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Outsourcing bookkeeping services based in Canada at a glance

As of Sep 21, 2026
25.9%Verified-email coverage
3.1Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · Toronto
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
1,416
11-50
151
51-200
10
201-500
2
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 1,594 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among outsourcing bookkeeping services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Canada whose own description of what they do matches “outsourcing bookkeeping services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names outsourcing bookkeeping services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among outsourcing bookkeeping services, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,275 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names outsourcing bookkeeping services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many outsourcing bookkeeping services are there based in Canada?

RevenueBase identified 1,594 outsourcing bookkeeping services headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Obox Solution LTD, headquartered in Toronto, tops this list with the largest team on record.

Which city has the most outsourcing bookkeeping services?

Toronto leads with 159 headquartered companies, followed by Calgary (113) and Mississauga (64).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,275 verified decision-maker contacts tracked across these 1,594 companies.

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.

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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 Smart Search, 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.