Company lists · Data refreshed September 2026

Top 25 Bookkeeping services companies worldwide

Name: Bookkeeping services companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 34,537 companies tracked

RevenueBase identified 34,537 bookkeeping services companies worldwide as of September 2026 and tracks 149,312 professional contacts across them, including 37,902 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers bookkeeping services companies worldwide, 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 19, 2026. Country and city lists for bookkeeping services companies follow the table.

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 19, 2026 86% judged on-target in blind review

34,537Companies

149,312Contacts tracked

37,902Verified emails

0Mobile numbers

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The 25 largest bookkeeping services companies worldwide

Ranked by team size

Top 25 of 34,537 bookkeeping services companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to bookkeeping services companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Confiance Business Solutions INC	Strong evidence	Ahmedabad, IndiaHQ checked Sep 19, 2026	1,001-5,000	857 contacts →
	Strong evidence “Confiance specializes in providing highly personalized business solutions in the areas of bookkeeping and accounting, financial planning, financial advisory, back office and…” Source: RevenueBase Database · checked Sep 19, 2026
2	KMK	Indirect evidence	Ahmedabad, IndiaHQ checked Sep 19, 2026	1,001-5,000	628 contacts →
	Indirect evidence “KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.” Source: RevenueBase Database · checked Sep 19, 2026
3	Registerkaro	Indirect evidence	Bengaluru East, IndiaHQ checked Sep 19, 2026	501-1,000	621 contacts →
	Indirect evidence “Welcome to RegisterKaro.in!” Source: RevenueBase Database · checked Sep 19, 2026
4	Outbooks	Strong evidence	Harrow, United KingdomHQ checked Sep 19, 2026	201-500	477 contacts →
	Strong evidence “Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Source: RevenueBase Database · checked Sep 19, 2026
5	Share Microfin LTD	Indirect evidence	Hyderabad, IndiaHQ checked Sep 19, 2026	1,001-5,000	477 contacts →
	Indirect evidence “Share Microfin Ltd is an Accounting company located in 1-224/58, Rajeev Nagar, Nacharam, Hyderabad, Andhra Pradesh, India.” Source: RevenueBase Database · checked Sep 19, 2026
6	Global FPO	Strong evidence	Noida, IndiaHQ checked Sep 19, 2026	501-1,000	474 contacts →
	Strong evidence “Global FPO is an Accounting, Bookkeeping and Tax Consulting, and outsourcing company that helps CPAs, accounting firms, small and mid-sized businesses, and startups strengthen…” Source: RevenueBase Database · checked Sep 19, 2026
7	Supporting Strategies	Strong evidence	Beverly, MA, United StatesHQ checked Sep 19, 2026	51-200	415 contacts →
	Strong evidence “Outsourced Bookkeeping and Controller Services Supporting Strategies provides outsourced bookkeeping services, controller services and operational support to growing businesses.” Source: RevenueBase Database · checked Sep 19, 2026
8	Administratiekantoor Tidak B.V	Indirect evidence	Alphen Aan Den Rijn, NetherlandsHQ checked Sep 19, 2026	n/a	377 contacts →
	Indirect evidence “Tidak in Alphen aan den Rijn is het administratiekantoor voor startende ondernemers, zzp'ers, mkb en particulieren.” Source: RevenueBase Database · checked Sep 19, 2026
9	Bench Accounting By Mainstreet	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	201-500	366 contacts →
	Indirect evidence “At Bench by Mainstreet, we believe small business owners deserve more than just software - they deserve real financial support.” Source: RevenueBase Database · checked Sep 19, 2026
10	Cohesive	Indirect evidence	Exton, PA, United StatesHQ checked Sep 19, 2026	501-1,000	364 contacts →
	Indirect evidence “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Source: RevenueBase Database · checked Sep 19, 2026
11	Advantage ONE TAX Consulting	Indirect evidence	Sterling, VA, United StatesHQ checked Sep 19, 2026	201-500	347 contacts →
	Indirect evidence “Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…” Source: RevenueBase Database · checked Sep 19, 2026
12	Batt & Associés	Strong evidence	Nancy, FranceHQ checked Sep 19, 2026	201-500	284 contacts →
	Strong evidence “The 23 expert managers, supported by 250 specialist employees, support and advise their clients on a daily basis, from bookkeeping to advice and the engineering of solutions…” Source: RevenueBase Database · checked Sep 19, 2026
13	Mayatax	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	501-1,000	269 contacts →
	Indirect evidence “Growth exposes financial weakness.” Source: RevenueBase Database · checked Sep 19, 2026
14	Klara Consulting	Indirect evidence	Stockholm, SwedenHQ checked Sep 19, 2026	201-500	263 contacts →
	Indirect evidence “Välkommen till Klara Consulting Vi finns här för dig som söker en trygg partner inom ekonomi - eller en arbetsplats med omtanke!” Source: RevenueBase Database · checked Sep 19, 2026
15	FBC Farm And Small Business TAX Consultants	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 19, 2026	201-500	260 contacts →
	Indirect evidence “For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.” Source: RevenueBase Database · checked Sep 19, 2026
16	Oremus Corporate Services	Strong evidence	Hyderabad, IndiaHQ checked Sep 19, 2026	201-500	260 contacts →
	Strong evidence “At Oremus Corporate Services, we specialize in delivering top-notch Accounting and Bookkeeping, Secretarial Compliance, Payroll, Tax, HR, and Business Advisory Services.” Source: RevenueBase Database · checked Sep 19, 2026
17	Mercurius Advisory Services	Strong evidence	New Delhi, IndiaHQ checked Sep 19, 2026	201-500	249 contacts →
	Strong evidence “Mercurius Advisory Services (MAS) provides comprehensive suite of accounting, bookkeeping and taxation services to small, medium and large enterprises.” Source: RevenueBase Database · checked Sep 19, 2026
18	SK Enterprises	Indirect evidence	Artesia, CA, United StatesHQ checked Sep 19, 2026	n/a	240 contacts →
	Indirect evidence “We are a full-service Accounting firm.” Source: RevenueBase Database · checked Sep 19, 2026
19	Fiduciaire	Indirect evidence	Beaufays, BelgiumHQ checked Sep 19, 2026	n/a	198 contacts →
	Indirect evidence “Bonjour et bienvenue sur la page entreprise de la Fiduciaire au Carré - Une équipe dynamique à votre service- Assistance efficace et conseils individualisés tant aux personnes…” Source: RevenueBase Database · checked Sep 19, 2026
20	Aone Outsourcing Solutions PVT LTD	Strong evidence	Ghaziabad, IndiaHQ checked Sep 19, 2026	501-1,000	195 contacts →
	Strong evidence “Aone is one of the leading global accounting, bookkeeping, tax and year end accounts preparation service provider in India.” Source: RevenueBase Database · checked Sep 19, 2026
21	Accountor Norge	Indirect evidence	NorwayHQ checked Sep 19, 2026	501-1,000	192 contacts →
	Indirect evidence “Med 70 kontorer over hele Norge er vi store, men også lokale.” Source: RevenueBase Database · checked Sep 19, 2026
22	First Class Accounts	Strong evidence	Robina, AustraliaHQ checked Sep 19, 2026	201-500	186 contacts →
	Strong evidence “First Class Accounts is proudly Australia's largest bookkeeping franchise with an extensive national network of professional bookkeepers who operate their own businesses.” Source: RevenueBase Database · checked Sep 19, 2026
23	OIL & GAS Business Solutions, INC	Strong evidence	Dallas, TX, United StatesHQ checked Sep 19, 2026	n/a	182 contacts →
	Strong evidence “Providing bookkeeping functions for oil and gas operator, investor, and royalty management entities.” Source: RevenueBase Database · checked Sep 19, 2026
24	Indinero	Indirect evidence	Los Angeles, United StatesHQ checked Sep 19, 2026	201-500	175 contacts →
	Indirect evidence “Indinero is on a mission to help every business realize its potential.” Source: RevenueBase Database · checked Sep 19, 2026
25	DBF Audit Chartered Accountant And Auditor	Indirect evidence	FranceHQ checked Sep 19, 2026	201-500	172 contacts →
	Indirect evidence “We believe there is no set measure of success.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: bookkeeping services companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names bookkeeping services companies.
Partial evidence: Its own public description names part of bookkeeping services companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name bookkeeping services companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 34,537 bookkeeping services companies worldwide

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Bookkeeping services companies worldwide at a glance

As of Sep 19, 2026

25.4%Verified-email coverage

4.3Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

27,556

11-50

5,913

51-200

630

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 bookkeeping services companies, 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.
Coverage: 39 countries, largest first: the United States, the United Kingdom, Brazil, Canada, Australia, the Netherlands, India, Poland, South Africa, Sweden and 29 more. Country and city lists for bookkeeping services companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “bookkeeping services companies”. 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 bookkeeping services companies), 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 bookkeeping services companies, and records with no verified work email.
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, 37,902 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 19, 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.

Bookkeeping services companies by location

149 lists · largest first

Every Bookkeeping services companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 bookkeeping services companies, 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 bookkeeping services companies are there worldwide?

RevenueBase identified 34,537 bookkeeping services companies worldwide 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?

Confiance Business Solutions INC, headquartered in Seva, tops this list with the largest team on record.

Which country has the most bookkeeping services companies?

The United States leads with 13,858 companies, followed by the United Kingdom (3,595) and Brazil (2,859). Every bookkeeping services companies list by country and city is linked on this page.

Which city has the most bookkeeping services companies?

London leads with 625 headquartered companies, followed by Sao Paulo (381) and New York (288).

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 37,902 verified decision-maker contacts tracked across these 34,537 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 19, 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.