Company lists · Data refreshed September 2026

Top 25 Bookkeeping consulting firms worldwide

RevenueBase identified 49,455 bookkeeping consulting firms worldwide as of September 2026 and tracks 282,436 professional contacts across them, including 93,053 with verified work emails and 44,084 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers bookkeeping consulting firms 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 bookkeeping consulting firms 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
49,455Companies
282,436Contacts tracked
93,053Verified emails
44,084Mobile numbers
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The 25 largest bookkeeping consulting firms worldwide

Ranked by team size
Top 25 of 49,455 bookkeeping consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to bookkeeping consulting firms: 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 evidenceCalgary, AB, CanadaHQ checked Sep 28, 20265,001-10,0008,773 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceSp, BrazilHQ checked Sep 28, 20261,001-5,0001,791 contacts →

Indirect evidence

“Presidida por Raul Corrêa da Silva, a BDO RCS foi fundada em 2001 e desde então mantém participação expressiva no mercado de auditorias.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceRecife, BrazilHQ checked Sep 28, 2026501-1,000833 contacts →

Indirect evidence

“A Bernhoeft Contadores é uma empresa de atuação nacional que oferece terceirização de serviços contábeis para clientes de diversos portes e segmentos.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceLuxembourgHQ checked Sep 28, 2026501-1,000600 contacts →

Indirect evidence

“BDO Luxembourg is one of the largest firms of accountants, auditors and consultants in Luxembourg.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceTel Aviv, IsraelHQ checked Sep 28, 20261,001-5,000574 contacts →

Partial evidence

“BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 28, 2026201-500558 contacts →

Indirect evidence

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceSão Paulo, BrazilHQ checked Sep 28, 2026501-1,000533 contacts →

Indirect evidence

“A MG Contécnica é considerada um dos maiores escritórios de consultoria empresarial do mercado, com vasta experiência e com grande diferencial em serviços contábeis a empresa…”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceLeuven, BelgiumHQ checked Sep 28, 2026501-1,000515 contacts →

Indirect evidence

“Welcome to SBB, a firm of experienced accountants and tax consultants with 30 branches in Belgium.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceHarrow, United KingdomHQ checked Sep 28, 2026201-500477 contacts →

Partial evidence

“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceParis, FranceHQ checked Sep 28, 2026n/a474 contacts →

Indirect evidence

“La FED est une société d’expertise-comptable avec une mission précise : accompagner les entrepreneurs,favoriser leur réussite.Grâce à nos valeurs, nous bâtissons une relation de…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceBelo Horizonte, BrazilHQ checked Sep 28, 2026501-1,000435 contacts →

Indirect evidence

“A NTW Contabilidade é uma prestadora de serviços contábeis e de consultoria na área financeira e de gestão empresarial.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceMilan, ItalyHQ checked Sep 28, 202610001+406 contacts →

Indirect evidence

“Deloitte è tra le più grandi realtà nei servizi professionali alle imprese in Italia, dove è presente da circa 100 anni.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceLondon Croydon, United KingdomHQ checked Sep 28, 20261,001-5,000402 contacts →

Indirect evidence

“Paperchase Accountancy is a leading hospitality accountancy and consultancy firm.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500379 contacts →

Indirect evidence

“Welcome to the new era of accountancy.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceAlphen Aan Den Rijn, NetherlandsHQ checked Sep 28, 2026n/a377 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 28, 2026
16Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 2026201-500366 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 28, 2026
17Indirect evidenceAalborg, DenmarkHQ checked Sep 28, 2026201-500331 contacts →

Indirect evidence

“Som en af Danmarks største rådgivnings- og revisionsvirksomheder sætter vi et bedre og bredere aftryk som ejerlederens rette rådgiver.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceGoiânia, BrazilHQ checked Sep 28, 2026201-500320 contacts →

Indirect evidence

“Movidos pela alta performance, resultados financeiros, contábeis e operacionais excepcionais para nossos clientes, a Alianzo é feita por pessoas.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceBerlin, GermanyHQ checked Sep 28, 20261,001-5,000319 contacts →

Indirect evidence

“Wir bei Ecovis sind Steuerberater, Wirtschaftsprüfer, Rechtsanwälte und Unternehmensberater.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceCholet, FranceHQ checked Sep 28, 2026501-1,000313 contacts →

Indirect evidence

“In Extenso Centre Ouest, dirigé par Jean-François Trouillard est un acteur majeur de l’expertise comptable et des services professionnels pour les TPE-PME dans l’ouest de la…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceStapleford, United KingdomHQ checked Sep 28, 2026n/a296 contacts →

Indirect evidence

“Accounting services for sole traders and SME’s.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceKortrijk, BelgiumHQ checked Sep 28, 202651-200290 contacts →

Indirect evidence

“We are your guide on the adventure of entrepreneurship!”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceNancy, FranceHQ checked Sep 28, 2026201-500284 contacts →

Partial 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 28, 2026
24Partial evidenceStockholm, SwedenHQ checked Sep 28, 2026201-500263 contacts →

Partial 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 28, 2026
25Indirect evidenceParis - Levallois Perret, FranceHQ checked Sep 28, 2026201-500263 contacts →

Indirect evidence

“Afigec is a multi-skilled accounting firm that is constantly improving the usual client relationship framework and the proximity with its clients.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 49,455 bookkeeping consulting firms worldwide

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Bookkeeping consulting firms worldwide at a glance

As of Sep 28, 2026
32.9%Verified-email coverage
15.6%Mobile-number coverage
5.7Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · Sao Paulo
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
36,943
11-50
10,501
51-200
1,315
201-500
162
501-1,000
38
1,001-5,000
22
5,001-10,000
6
10001+
7

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 consulting firms, 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, Brazil, the United Kingdom, Canada, Australia, France, the Netherlands, Germany, Italy, South Africa and 29 more. Country and city lists for bookkeeping consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “bookkeeping consulting firms”. 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 consulting firms), 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 consulting firms, 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, 93,053 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.

Bookkeeping consulting firms by location

232 lists · largest first

Every Bookkeeping consulting firms 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 consulting firms, 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 consulting firms are there worldwide?

RevenueBase identified 49,455 bookkeeping consulting firms 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?

MNP, headquartered in Calgary, tops this list with the largest team on record.

Which country has the most bookkeeping consulting firms?

The United States leads with 17,532 companies, followed by Brazil (6,857) and the United Kingdom (4,379). Every bookkeeping consulting firms list by country and city is linked on this page.

Which city has the most bookkeeping consulting firms?

Sao Paulo leads with 1108 headquartered companies, followed by London (826) and New York (377).

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 93,053 verified decision-maker contacts tracked across these 49,455 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.