Company lists · Data refreshed September 2026

Top 25 Financial statement preparation outsourcing companies worldwide

Name: Financial statement preparation outsourcing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 13,206 companies tracked

RevenueBase identified 13,206 financial statement preparation outsourcing companies worldwide as of September 2026 and tracks 53,626 professional contacts across them, including 12,285 with verified work emails. The United States is the largest market and London the largest hub.

This list covers financial statement preparation outsourcing 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 28, 2026. Country and city lists for financial statement preparation outsourcing 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 28, 2026 86% judged on-target in blind review

13,206Companies

53,626Contacts tracked

12,285Verified emails

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The 25 largest financial statement preparation outsourcing companies worldwide

Ranked by team size

Top 25 of 13,206 financial statement preparation outsourcing companies worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to financial statement preparation outsourcing 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	Outbooks	Partial evidence	Harrow, United KingdomHQ checked Sep 28, 2026	201-500	477 contacts →
	Partial evidence “Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.” Source: RevenueBase Database · checked Sep 28, 2026
2	Share Microfin LTD	Indirect evidence	Hyderabad, IndiaHQ checked Sep 28, 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 28, 2026
3	Global FPO	Partial evidence	Noida, IndiaHQ checked Sep 28, 2026	501-1,000	474 contacts →
	Partial 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 28, 2026
4	Supporting Strategies	Indirect evidence	Beverly, MA, United StatesHQ checked Sep 28, 2026	51-200	415 contacts →
	Indirect 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 28, 2026
5	TGG	Indirect evidence	San Antonio, TX, United StatesHQ checked Sep 28, 2026	51-200	249 contacts →
	Indirect evidence “The true performance of your business shouldn’t be a mystery.” Source: RevenueBase Database · checked Sep 28, 2026
6	Virtual Clone	Partial evidence	Bhilai, IndiaHQ checked Sep 28, 2026	51-200	243 contacts →
	Partial evidence “Virtual Clone is a leading provider of accounting outsourcing services, tailored specifically for ACCA/FCCA and Chartered Accountancy firms in the UK and Australia.” Source: RevenueBase Database · checked Sep 28, 2026
7	Aone Outsourcing Solutions PVT LTD	Partial evidence	Ghaziabad, IndiaHQ checked Sep 28, 2026	501-1,000	195 contacts →
	Partial 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 28, 2026
8	Indinero	Indirect evidence	Los Angeles, United StatesHQ checked Sep 28, 2026	201-500	175 contacts →
	Indirect evidence “Indinero is on a mission to help every business realize its potential.” Source: RevenueBase Database · checked Sep 28, 2026
9	Accounting Solutions	Indirect evidence	Houston, PA, United StatesHQ checked Sep 28, 2026	n/a	149 contacts →
	Indirect evidence “Accounting Solutions provides a wide range of services to individuals and businesses in a variety of industries.” Source: RevenueBase Database · checked Sep 28, 2026
10	accountingdepartment.com	Indirect evidence	United StatesHQ checked Sep 28, 2026	51-200	141 contacts →
	Indirect evidence “AccountingDepartment.com, LLC was formed in 2004 to providing full-charge bookkeeping and accounting services for the small to medium business market.” Source: RevenueBase Database · checked Sep 28, 2026
11	Glocal Accounting	Indirect evidence	Delaware, DE, United StatesHQ checked Sep 28, 2026	501-1,000	115 contacts →
	Indirect evidence “Welcome to GLOCAL Accounting.” Source: RevenueBase Database · checked Sep 28, 2026
12	Whiz Consulting	Indirect evidence	Noida, IndiaHQ checked Sep 28, 2026	51-200	114 contacts →
	Indirect evidence “We’re a decade-strong offshore accounting firm based in India, trusted by businesses in the US, UK, Australia, and UAE.” Source: RevenueBase Database · checked Sep 28, 2026
13	Cloudcfo	Indirect evidence	Mandaluyong, PhilippinesHQ checked Sep 28, 2026	51-200	109 contacts →
	Indirect evidence “CloudCFO is a tech-enabled accounting and finance services provider trusted by over 400 companies in the Philippines and abroad.” Source: RevenueBase Database · checked Sep 28, 2026
14	HCL Accountancy Limited	Indirect evidence	United KingdomHQ checked Sep 28, 2026	n/a	101 contacts →
	Indirect evidence “Let us help you reduce the time you spend accounting and bookkeeping for your organisation giving you more time to run your business and enjoy life.” Source: RevenueBase Database · checked Sep 28, 2026
15	Rayner Essex LLP	Indirect evidence	St Albans, United KingdomHQ checked Sep 28, 2026	51-200	98 contacts →
	Indirect evidence “At Rayner Essex, we believe your accountant should do a lot more than just report on how your business is doing - he or she should help you identify opportunities to improve your…” Source: RevenueBase Database · checked Sep 28, 2026
16	Pacific Accounting & Business Services INC	Indirect evidence	Irving, TX, United StatesHQ checked Sep 28, 2026	1,001-5,000	97 contacts →
	Indirect evidence “Anand Tated a seasoned chartered accountant and the CEO of Pacific Accounting & Business Services (PABS) started PABS with his vision to customize modern solutions and deliver…” Source: RevenueBase Database · checked Sep 28, 2026
17	Acgile Accounting & Bookkeeping Services	Indirect evidence	Islamabad, PakistanHQ checked Sep 28, 2026	51-200	97 contacts →
	Indirect evidence “Since 2017, Acgile has helped U.S-based eCommerce, automotive, SaaS, and manufacturing businesses take control of their finances through specialized, outsourced accounting and…” Source: RevenueBase Database · checked Sep 28, 2026
18	Bookkeeping Services	Indirect evidence	AustraliaHQ checked Sep 28, 2026	n/a	91 contacts →
	Indirect evidence “Bookkeeping services with over 40+ years of combined experience, we've owned and worked with hundreds of businesses just like yours.” Source: RevenueBase Database · checked Sep 28, 2026
19	Acuity Accounting	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	51-200	89 contacts →
	Indirect evidence “Acuity is the modern-day accounting organization built specifically for startups and small businesses.” Source: RevenueBase Database · checked Sep 28, 2026
20	knopka.com	Indirect evidence	RussiaHQ checked Sep 28, 2026	201-500	85 contacts →
	Indirect evidence “We made Knopka so that you could focus on your business and delegate us all the boring accounting, taxes, reports, etc.” Source: RevenueBase Database · checked Sep 28, 2026
21	RS Finance	Indirect evidence	Amsterdam, NetherlandsHQ checked Sep 28, 2026	51-200	84 contacts →
	Indirect evidence “Accountancy for small and medium-sized enterprises.” Source: RevenueBase Database · checked Sep 28, 2026
22	AFC Accounting Services	Indirect evidence	Sabana, Costa RicaHQ checked Sep 28, 2026	51-200	84 contacts →
	Indirect evidence “AFC ACCOUNTING SERVICES is an accounting company.” Source: RevenueBase Database · checked Sep 28, 2026
23	CPE Solutions	Indirect evidence	Paris, FranceHQ checked Sep 28, 2026	51-200	84 contacts →
	Indirect evidence “Créé en 2006, CPE SOLUTIONS propose aux cabinets d’expertise comptable une gamme de services personnalisés d’externalisation de saisie comptable pour soutenir leur activité.” Source: RevenueBase Database · checked Sep 28, 2026
24	OSK	Indirect evidence	Dublin, IrelandHQ checked Sep 28, 2026	11-50	78 contacts →
	Indirect evidence “OSK have been providing quality and professional business advice to Irish businesses since 1985.” Source: RevenueBase Database · checked Sep 28, 2026
25	Bookkeeping Express	Indirect evidence	Reston, VA, United StatesHQ checked Sep 28, 2026	51-200	78 contacts →
	Indirect evidence “We’re here to help businesses.” Source: RevenueBase Database · checked Sep 28, 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: financial statement preparation outsourcing 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 financial statement preparation outsourcing companies.
Partial evidence: Its own public description names part of financial statement preparation outsourcing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name financial statement preparation outsourcing 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 13,206 financial statement preparation outsourcing companies worldwide

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Financial statement preparation outsourcing companies worldwide at a glance

As of Sep 28, 2026

22.9%Verified-email coverage

4.1Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

10,904

11-50

1,952

51-200

220

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 financial statement preparation outsourcing 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: Every country. Country and city lists for financial statement preparation outsourcing companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “financial statement preparation outsourcing 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 financial statement preparation outsourcing 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 financial statement preparation outsourcing 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, 12,285 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 28, 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.

Financial statement preparation outsourcing companies by location

49 lists · largest first

Every Financial statement preparation outsourcing 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 financial statement preparation outsourcing 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 financial statement preparation outsourcing companies are there worldwide?

RevenueBase identified 13,206 financial statement preparation outsourcing 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?

Outbooks, headquartered in London, tops this list with the largest team on record.

Which country has the most financial statement preparation outsourcing companies?

The United States leads with 4,901 companies, followed by Canada (828) and the United Kingdom (753). Every financial statement preparation outsourcing companies list by country and city is linked on this page.

Which city has the most financial statement preparation outsourcing companies?

London leads with 165 headquartered companies, followed by Dubai (111) and New York (105).

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 12,285 verified decision-maker contacts tracked across these 13,206 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 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 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.