Company lists · Data refreshed September 2026

Top 25 Roi improvement consulting firms worldwide

Name: Roi improvement consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 38,436 companies tracked

RevenueBase identified 38,436 roi improvement consulting firms worldwide as of September 2026 and tracks 245,255 professional contacts across them, including 48,604 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers roi improvement 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 21, 2026. Country and city lists for roi improvement 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 21, 2026 86% judged on-target in blind review

38,436Companies

245,255Contacts tracked

48,604Verified emails

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The 25 largest roi improvement consulting firms worldwide

Ranked by team size

Top 25 of 38,436 roi improvement consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to roi improvement 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Kearney	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	5,001-10,000	6,978 contacts →
	Partial evidence “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Source: RevenueBase Database · checked Sep 21, 2026
2	Accenture Strategy & Consulting	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	5,001-10,000	5,514 contacts →
	Indirect evidence “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Source: RevenueBase Database · checked Sep 21, 2026
3	Strategy	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	5,082 contacts →
	Indirect evidence “From strategy to execution.” Source: RevenueBase Database · checked Sep 21, 2026
4	Eficacia	Indirect evidence	Cali, ColombiaHQ checked Sep 21, 2026	10001+	4,692 contacts →
	Indirect evidence “Incrementamos la productividad y eficiencia de nuestros clientes- Más de 40 años de experiencia en el mercado- Líderes en Soluciones de Mercadeo, Trade Marketing, Ventas y Gestión…” Source: RevenueBase Database · checked Sep 21, 2026
5	Management Solutions	Partial evidence	Madrid, SpainHQ checked Sep 21, 2026	1,001-5,000	4,468 contacts →
	Partial evidence “Management Solutions is a leading provider of business consulting services for regulated industries.” Source: RevenueBase Database · checked Sep 21, 2026
6	L.E.K. Consulting	Indirect evidence	Boston, MA, United StatesHQ checked Sep 21, 2026	1,001-5,000	4,093 contacts →
	Indirect evidence “L.E.K.” Source: RevenueBase Database · checked Sep 21, 2026
7	Frost & Sullivan	Indirect evidence	San Antonio, TX, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,330 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026
8	MCA	Partial evidence	Westport, CT, United StatesHQ checked Sep 21, 2026	n/a	1,650 contacts →
	Partial evidence “MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.” Source: RevenueBase Database · checked Sep 21, 2026
9	W3global	Partial evidence	Frisco, TX, United StatesHQ checked Sep 21, 2026	501-1,000	1,149 contacts →
	Partial evidence “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Source: RevenueBase Database · checked Sep 21, 2026
10	Go2b	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	n/a	815 contacts →
	Indirect evidence “Criada em 2013, a Goiás Business nasceu para fornecer consultoria comercial para uma grande empresa de soluções em recursos humanos, tendo como resultado a geração de mais de 1.8…” Source: RevenueBase Database · checked Sep 21, 2026
11	デロイトトーマツコンサルティング(合同)	Partial evidence	千代田区, JapanHQ checked Sep 21, 2026	501-1,000	696 contacts →
	Partial evidence “is a management consulting company based out of, Japan.” Source: RevenueBase Database · checked Sep 21, 2026
12	Analytix Solutions	Indirect evidence	Woburn, MA, United StatesHQ checked Sep 21, 2026	501-1,000	640 contacts →
	Indirect evidence “Welcome to Analytix Solutions!” Source: RevenueBase Database · checked Sep 21, 2026
13	Keeggo	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	501-1,000	633 contacts →
	Indirect evidence “Mais do que uma consultoria de tecnologia, a keeggo se destaca como uma organização com mais de 30 anos de experiência que provoca empresas a subirem a régua do mercado através do…” Source: RevenueBase Database · checked Sep 21, 2026
14	SEI	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 21, 2026	501-1,000	618 contacts →
	Partial evidence “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Source: RevenueBase Database · checked Sep 21, 2026
15	Solomonedwards	Indirect evidence	Wayne, PA, United StatesHQ checked Sep 21, 2026	1,001-5,000	557 contacts →
	Indirect evidence “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Source: RevenueBase Database · checked Sep 21, 2026
16	Julhiet Sterwen	Partial evidence	Neuilly Sur Seine, FranceHQ checked Sep 21, 2026	501-1,000	551 contacts →
	Partial evidence “julhiet sterwen is a key player in management, human resources and operational consulting.” Source: RevenueBase Database · checked Sep 21, 2026
17	DLC	Strong evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	201-500	546 contacts →
	Strong evidence “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Source: RevenueBase Database · checked Sep 21, 2026
18	Aarete	Strong evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	201-500	543 contacts →
	Strong evidence “AArete is a global management and technology consulting firm specializing in driving profitability improvement, digital transformation, and strategy & change for clients.” Source: RevenueBase Database · checked Sep 21, 2026
19	Norsys	Indirect evidence	Ennevelin, FranceHQ checked Sep 21, 2026	501-1,000	528 contacts →
	Indirect evidence “La vision du groupe norsys : développer une performance globale de l’entreprise.” Source: RevenueBase Database · checked Sep 21, 2026
20	Implid	Indirect evidence	Lyon, FranceHQ checked Sep 21, 2026	501-1,000	502 contacts →
	Indirect evidence “Depuis plus de 40 ans, nos équipes de spécialistes accompagnent nos clients de petites, moyennes et grandes entreprises, dans le pilotage de leurs organisations, la gestion des…” Source: RevenueBase Database · checked Sep 21, 2026
21	Qaracter	Indirect evidence	Madrid, SpainHQ checked Sep 21, 2026	501-1,000	495 contacts →
	Indirect evidence “Qaracter es una firma internacional de consultoría que ofrece servicios de asesoramiento empresarial, financiero, de riesgos, tecnológico y de procesos, basados en el conocimiento…” Source: RevenueBase Database · checked Sep 21, 2026
22	DB	Indirect evidence	Qormi Qormi, MaltaHQ checked Sep 21, 2026	n/a	468 contacts →
	Indirect evidence “DB supports organisations build greater power, passion and performance by assisting them identify, set and implement the necessary dimension and bearing required to reach their…” Source: RevenueBase Database · checked Sep 21, 2026
23	MBP Mcdonough Bolyard Peck	Partial evidence	Fairfax, VA, United StatesHQ checked Sep 21, 2026	201-500	467 contacts →
	Partial evidence “MBP is a multi-disciplined consulting firm that provides a broad range of professional services designed to mitigate risk and optimize value within the built environment.” Source: RevenueBase Database · checked Sep 21, 2026
24	Mahajan & Aibara	Partial evidence	Mumbai, IndiaHQ checked Sep 21, 2026	201-500	458 contacts →
	Partial evidence “We offer Internal Audit & Risk Consulting related services.” Source: RevenueBase Database · checked Sep 21, 2026
25	Manohar Chowdhry & Associates, Chartered Accountants	Partial evidence	Chennai, IndiaHQ checked Sep 21, 2026	201-500	445 contacts →
	Partial evidence “MCA is a holistic consulting company having 12 offices in 12 major cities in India providing new age advisory services.” Source: RevenueBase Database · checked Sep 21, 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: roi improvement consulting firms. 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 roi improvement consulting firms.
Partial evidence: Its own public description names part of roi improvement consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name roi improvement consulting firms. 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 38,436 roi improvement consulting firms worldwide

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Roi improvement consulting firms worldwide at a glance

As of Sep 21, 2026

19.8%Verified-email coverage

6.4Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

29,961

11-50

6,712

51-200

1,239

201-500

253

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 roi improvement 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: Every country. Country and city lists for roi improvement consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “roi improvement 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 roi improvement 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 roi improvement 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, 48,604 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 21, 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.

Roi improvement consulting firms by location

149 lists · largest first

Every Roi improvement 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 roi improvement 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 roi improvement consulting firms are there worldwide?

RevenueBase identified 38,436 roi improvement 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?

Kearney, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most roi improvement consulting firms?

The United States leads with 8,243 companies, followed by Brazil (2,876) and the United Kingdom (2,061). Every roi improvement consulting firms list by country and city is linked on this page.

Which city has the most roi improvement consulting firms?

Sao Paulo leads with 716 headquartered companies, followed by London (648) and Paris (469).

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 48,604 verified decision-maker contacts tracked across these 38,436 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 21, 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.