Company lists · Data refreshed September 2026

Top 25 Accounting firm client retention consultants worldwide

Name: Accounting firm client retention consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 38,020 companies tracked

RevenueBase identified 38,020 accounting firm client retention consultants worldwide as of September 2026 and tracks 625,770 professional contacts across them, including 212,455 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers accounting firm client retention consultants 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 27, 2026. Country and city lists for accounting firm client retention consultants 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 27, 2026 86% judged on-target in blind review

38,020Companies

625,770Contacts tracked

212,455Verified emails

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The 25 largest accounting firm client retention consultants worldwide

Ranked by team size

Top 25 of 38,020 accounting firm client retention consultants worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounting firm client retention consultants: 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	MNP	Partial evidence	Calgary, AB, CanadaHQ checked Sep 27, 2026	5,001-10,000	8,773 contacts →
	Partial evidence “MNP is a leading national accounting, tax and business consulting firm in Canada.” Source: RevenueBase Database · checked Sep 27, 2026
2	Kpmg France	Indirect evidence	Paris La Défense, FranceHQ checked Sep 27, 2026	10001+	5,839 contacts →
	Indirect evidence “Leader de l'audit, du conseil et de l'expertise comptable, KPMG France est membre de KPMG International, réseau de cabinets indépendants exerçant dans 155 pays.” Source: RevenueBase Database · checked Sep 27, 2026
3	SGV & CO	Indirect evidence	Makati City, PhilippinesHQ checked Sep 27, 2026	5,001-10,000	5,764 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026
4	BDO Canada	Partial evidence	Toronto, ON, CanadaHQ checked Sep 27, 2026	1,001-5,000	4,833 contacts →
	Partial evidence “Canada’s Top 100 Employers 2025 I 2024 I 2023 I 2022 BDO Canada LLP is a leading provider of professional services to clients across a variety of sectors and segments.” Source: RevenueBase Database · checked Sep 27, 2026
5	Grant Thornton Ireland	Indirect evidence	Dublin, IrelandHQ checked Sep 27, 2026	1,001-5,000	2,374 contacts →
	Indirect evidence “In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…” Source: RevenueBase Database · checked Sep 27, 2026
6	BDO South Africa	Partial evidence	Johannesburg, South AfricaHQ checked Sep 27, 2026	1,001-5,000	1,870 contacts →
	Partial evidence “Audit \| Advisory \| Tax The South African member firm of BDO International - The Leader for Exceptional Client Service since 1963 BDO clients experience a distinctive level of…” Source: RevenueBase Database · checked Sep 27, 2026
7	Grant Thornton Sweden	Indirect evidence	Stockholm, SwedenHQ checked Sep 27, 2026	1,001-5,000	1,724 contacts →
	Indirect evidence “Grant Thornton är ett ledande revisions- och rådgivningsföretag med över 1400 medarbetare som erbjuder tjänster inom revision, skatt, redovisning och specialistrådgivning.” Source: RevenueBase Database · checked Sep 27, 2026
8	Grant Thornton Australia	Indirect evidence	Sydney, AustraliaHQ checked Sep 27, 2026	1,001-5,000	1,626 contacts →
	Indirect evidence “Your business deserves remarkable support.” Source: RevenueBase Database · checked Sep 27, 2026
9	Pitcher Partners	Partial evidence	Docklands, AustraliaHQ checked Sep 27, 2026	1,001-5,000	1,531 contacts →
	Partial evidence “Accounting and business advisory experts sharing insights about issues impacting family-controlled and privately owned businesses, high net-worth individuals, the public sector…” Source: RevenueBase Database · checked Sep 27, 2026
10	BDO Norge	Partial evidence	Oslo, NorwayHQ checked Sep 27, 2026	1,001-5,000	1,530 contacts →
	Partial evidence “We see great value in having a local presence and roots, factors which enable us to work closely with our clients.” Source: RevenueBase Database · checked Sep 27, 2026
11	BDO In Indonesia	Indirect evidence	Jakarta, IndonesiaHQ checked Sep 27, 2026	501-1,000	1,508 contacts →
	Indirect evidence “BDO is the leading provider of professional services within the mid-tier of our profession.” Source: RevenueBase Database · checked Sep 27, 2026
12	Crowe UK	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	1,001-5,000	1,395 contacts →
	Indirect evidence “Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.” Source: RevenueBase Database · checked Sep 27, 2026
13	Grant Thornton Greece	Indirect evidence	Athens, GreeceHQ checked Sep 27, 2026	1,001-5,000	1,313 contacts →
	Indirect evidence “Grant Thornton SA provides personalised assurance, tax and advisory services to listed entities, privately-held businesses and public sector businesses.” Source: RevenueBase Database · checked Sep 27, 2026
14	Mallette	Indirect evidence	Québec, QC, CanadaHQ checked Sep 27, 2026	1,001-5,000	1,268 contacts →
	Indirect evidence “Mallette compte plus de 40 bureaux solidement implantés dans plusieurs régions du Québec et regroupe plus de 1 600 ressources œuvrant dans différents secteurs d’activité.” Source: RevenueBase Database · checked Sep 27, 2026
15	Manubhai & Shah LLP	Indirect evidence	Ahmedabad, IndiaHQ checked Sep 27, 2026	1,001-5,000	1,113 contacts →
	Indirect evidence “Manubhai & Shah LLP is a firm of Chartered Accountants based in Ahmedabad, Gujarat.” Source: RevenueBase Database · checked Sep 27, 2026
16	BDO Belgium	Indirect evidence	Zaventem, BelgiumHQ checked Sep 27, 2026	1,001-5,000	936 contacts →
	Indirect evidence “At BDO, we believe in empowering organisations and people to achieve sustainable growth and realise their full potential.” Source: RevenueBase Database · checked Sep 27, 2026
17	PKF Sridhar & Santhanam LLP	Indirect evidence	Chennai, IndiaHQ checked Sep 27, 2026	501-1,000	916 contacts →
	Indirect evidence “Established in 1978, PKF Sridhar & Santhanam LLP firm of Chartered Accountants, carry the legacy of vast experience and varied exposure in the industry.” Source: RevenueBase Database · checked Sep 27, 2026
18	Bernhoeft	Partial evidence	Recife, BrazilHQ checked Sep 27, 2026	501-1,000	833 contacts →
	Partial 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 27, 2026
19	Orcom Cabinet D'expertise Comptable, Audit ET Conseil	Indirect evidence	Orléans, FranceHQ checked Sep 27, 2026	1,001-5,000	800 contacts →
	Indirect evidence “Pour ORCOM, le conseil est un état d'esprit.” Source: RevenueBase Database · checked Sep 27, 2026
20	Kpmg Kazakhstan	Indirect evidence	Алматы, KazakhstanHQ checked Sep 27, 2026	501-1,000	785 contacts →
	Indirect evidence “KPMG Kazakhstan is part of KPMG Caucasus and Central Asia and also part of a global network of professional firms providing Audit, Tax and Advisory services.” Source: RevenueBase Database · checked Sep 27, 2026
21	Grant Thornton Netherlands	Partial evidence	Alphen Aan Den Rijn, NetherlandsHQ checked Sep 27, 2026	501-1,000	739 contacts →
	Partial evidence “Grant Thornton in the Netherlands is a memberfirm of Grant Thornton International Ltd (GTIL), one of the world's largest networks [#7] of independent accounting and consulting…” Source: RevenueBase Database · checked Sep 27, 2026
22	RSM - Singapore	Indirect evidence	SingaporeHQ checked Sep 27, 2026	1,001-5,000	715 contacts →
	Indirect evidence “RSM is the largest professional services firm outside the Big Four in Singapore, and the sixth largest globally.” Source: RevenueBase Database · checked Sep 27, 2026
23	Pkf-Francis Clark Chartered Accountants & Business Advisers	Indirect evidence	Exeter, United KingdomHQ checked Sep 27, 2026	501-1,000	700 contacts →
	Indirect evidence “Any good accountancy firm can help with your finance, audit, and tax.” Source: RevenueBase Database · checked Sep 27, 2026
24	BDO Perú	Indirect evidence	San Isidro, PeruHQ checked Sep 27, 2026	501-1,000	603 contacts →
	Indirect evidence “La red global de BDO se extiende a lo largo de 166 países y territorios, con 115,661 personas trabajando en 1,776 oficinas y todas bajo un mismo objetivo: brindar a nuestros…” Source: RevenueBase Database · checked Sep 27, 2026
25	BDO Luxembourg	Partial evidence	LuxembourgHQ checked Sep 27, 2026	501-1,000	600 contacts →
	Partial evidence “BDO Luxembourg is one of the largest firms of accountants, auditors and consultants in Luxembourg.” Source: RevenueBase Database · checked Sep 27, 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: accounting firm client retention consultants. 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 accounting firm client retention consultants.
Partial evidence: Its own public description names part of accounting firm client retention consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name accounting firm client retention consultants. 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 38,020 accounting firm client retention consultants worldwide

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Accounting firm client retention consultants worldwide at a glance

As of Sep 27, 2026

34.0%Verified-email coverage

16.5Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

21,477

11-50

13,048

51-200

2,610

201-500

451

501-1,000

104

1,001-5,000

126

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 accounting firm client retention consultants, 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 accounting firm client retention consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “accounting firm client retention consultants”. 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 accounting firm client retention consultants), 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 accounting firm client retention consultants, 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, 212,455 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 27, 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.

Accounting firm client retention consultants by location

159 lists · largest first

Every Accounting firm client retention consultants 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 accounting firm client retention consultants, 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 accounting firm client retention consultants are there worldwide?

RevenueBase identified 38,020 accounting firm client retention consultants 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 accounting firm client retention consultants?

The United States leads with 10,413 companies, followed by Brazil (4,214) and India (2,569). Every accounting firm client retention consultants list by country and city is linked on this page.

Which city has the most accounting firm client retention consultants?

Sao Paulo leads with 733 headquartered companies, followed by London (350) and Paris (336).

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 212,455 verified decision-maker contacts tracked across these 38,020 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 27, 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.