Company lists · Data refreshed November 2026

Top 25 Impact business consultants worldwide

Name: Impact business consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 49,350 companies tracked

RevenueBase identified 49,350 company matches for impact business consultants worldwide as of November 2026 and tracks 359,758 professional contacts across them, including 100,698 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for impact business consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for impact business consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

49,350Companies

359,758Contacts tracked

100,698Verified emails

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The 25 largest impact business consultants worldwide

Ranked by team size

Top 25 of 49,350 company matches for impact business consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Boston Consulting Group BCG	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	10001+	35,975 contacts →
	Exact match “Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Bain & Company	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	10001+	23,264 contacts →
	Exact match “Bain & Company is a global consultancy that helps the world’s most ambitious change makers define the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	ERM	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	9,761 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Kearney	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,451 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Roland Berger	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	1,001-5,000	5,034 contacts →
	Exact match “Roland Berger is the only leading global strategy consultancy of European origin.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Alixpartners	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,786 contacts →
	Exact match “For more than forty years, AlixPartners has helped businesses around the world respond quickly and decisively to their most critical challenges – circumstances as diverse as…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Drees & Sommer	Exact match	Stuttgart, GermanyHQ recorded Nov 6, 2026	5,001-10,000	3,695 contacts →
	Exact match “Uniting opposites to create a world we want to live in Drees & Sommer is a partner-managed, global consulting company providing a single source of consultation and implementation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Frost & Sullivan	Exact match	San Antonio, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,542 contacts →
	Exact match “For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	BDO Nederland	Exact match	Eindhoven, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	2,458 contacts →
	Exact match “At BDO, we help people and organisations achieve their sustainable future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Baringa	Exact match	London, IL, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	2,311 contacts →
	Exact match “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	FROG	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,766 contacts →
	Exact match “frog is the reinvention and experience partner for the eco-digital era.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Abylsen	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,669 contacts →
	Exact match “In a world that too often follows currents, Abylsen has been opening itself up to new directions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	IPE Global Limited	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	501-1,000	1,452 contacts →
	Exact match “Headquartered in India with six international offices in Cambodia, Ethiopia, Kenya, the Philippines, Germany and the United Kingdom, IPE Global Group offers a range of integrated…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	SÁ Cavalcante	Exact match	Vila Velha, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,299 contacts →
	Exact match “Universo SÁ A Sá Cavalcante é um grupo de mais de mil pessoas que acreditam no trabalho responsável e sustentável.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Blackmont Consulting	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	1,220 contacts →
	Exact match “Blackmont Consulting provides 100% free advisory services to NGO´s, NPO´s and start-ups.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	OLA	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	n/a	1,164 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	URBIS	Exact match	Melbourne, AustraliaHQ recorded Nov 6, 2026	501-1,000	1,144 contacts →
	Exact match “Urbis is more than just a consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	TGS France	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,093 contacts →
	Exact match “TGS Soregor brings specialists together from seven different areas of expertise in order to offer a comprehensive solution for businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Porsche Consulting	Exact match	Stuttgart, CA, GermanyHQ recorded Nov 6, 2026	501-1,000	1,082 contacts →
	Exact match “As a leading consultancy for putting strategies into practice, we have a clear mission: we generate competitive advantage on the basis of measurable results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Eight Advisory	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	931 contacts →
	Exact match “Eight Advisory, Europe's leading independent advisory firm specialising in financial, operational and strategy consulting, is involved in transactions, restructuring and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	FMI	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	n/a	905 contacts →
	Exact match “For more than 70 years, FMI has been the leading management consulting and investment banking* firm dedicated exclusively to engineering and construction, infrastructure, and the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	The Growth Company	Exact match	Manchester, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	883 contacts →
	Exact match “For more than 35 years, the Growth Company has operated as a social enterprise, reinvesting our success to deliver inclusive and sustainable growth for people, businesses and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Benevity	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	501-1,000	824 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Prophet	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	696 contacts →
	Exact match “Prophet is the Uncommon Growth Company-accelerating impact for business and marketing leaders through consulting, experience, and creative services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	MSC Microsave Consulting	Exact match	Lucknow, IndiaHQ recorded Nov 6, 2026	201-500	588 contacts →
	Exact match “MSC (MicroSave Consulting) is a global consulting firm that has, for 25 years, pushed the world towards meaningful financial, social, and economic inclusion.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “impact business consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 49,350 impact business consultants worldwide

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Impact business consultants worldwide at a glance

As of Nov 6, 2026

28.0%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

38,708

11-50

8,632

51-200

1,374

201-500

278

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

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for impact business consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “impact business consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 100,698 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Impact business consultants by location

227 lists · largest first

Every Impact business 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “impact business consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact business consultants are there worldwide?

RevenueBase identified 49,350 company matches for impact business consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Boston Consulting Group BCG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most impact business consultants?

The United States leads with 6,620 companies, followed by the United Kingdom (3,368) and Brazil (2,939). Every impact business consultants list by country and city is linked on this page.

Which city has the most impact business consultants?

London leads with 1410 company records, followed by Sao Paulo (783) and Paris (620).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 100,698 professional contacts with verified work emails tracked across these 49,350 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.