Company lists · Data refreshed November 2026

Top 25 IT performance consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 78,508 companies tracked

RevenueBase identified 78,508 company matches for IT performance consulting firms worldwide as of November 2026 and tracks 832,263 professional contacts across them, including 204,422 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT performance consulting firms 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 IT performance consulting firms 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

78,508Companies

832,263Contacts tracked

204,422Verified emails

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The 25 largest IT performance consulting firms worldwide

Ranked by team size

Top 25 of 78,508 company matches for IT performance consulting firms 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	Korn Ferry	Exact match	Los Angeles, United StatesHQ recorded Nov 6, 2026	10001+	14,835 contacts →
	Exact match “Korn Ferry is a global consulting firm that powers performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Birlasoft	Exact match	Pune, NC, IndiaHQ recorded Nov 6, 2026	10001+	14,500 contacts →
	Exact match “Navigating Change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Protiviti	Exact match	Menlo Park, United StatesHQ recorded Nov 6, 2026	5,001-10,000	9,086 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Yash Technologies	Exact match	East Moline, ON, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,131 contacts →
	Exact match “YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Nov 6, 2026	1,001-5,000	6,512 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Eficacia	Exact match	Cali, ColombiaHQ recorded Nov 6, 2026	10001+	5,573 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	5,223 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Management Solutions	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	1,001-5,000	4,730 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	L.E.K. Consulting	Exact match	Boston, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,270 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	ETEAM	Exact match	Somerset, ON, United StatesHQ recorded Nov 6, 2026	n/a	3,489 contacts →
	Exact match “For over 25 years, eTeam has been trusted by global organizations to lead high-stakes programs where execution matters as much as strategy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	NRI Group	Exact match	Chiyoda-ku, NY, JapanHQ recorded Nov 6, 2026	10001+	3,248 contacts →
	Exact match “We align our goals with our clients’ goals – a true partnership that ensures shared success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Genpact Headstrong Capital Markets	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	10001+	3,166 contacts →
	Exact match “Genpact Headstrong Capital Markets is a global consulting and IT services company with a specialized focus in capital markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Alten Italia	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	1,001-5,000	3,042 contacts →
	Exact match “Il Gruppo ALTEN, leader europeo nella consulenza per le tecnologie avanzate in campo ingegneristico e ICT, è quotato alla Borsa di Parigi e vanta più di 57.700 collaboratori in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	VEE Technologies	Exact match	Decatur, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,027 contacts →
	Exact match “Vee Technologies is a global consulting and professional services organization delivering specialized, technology-enabled solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Propia AB	Exact match	Norrköping, SwedenHQ recorded Nov 6, 2026	n/a	2,517 contacts →
	Exact match “Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	GFI World	Exact match	Saint-ouen, FranceHQ recorded Nov 6, 2026	10001+	2,224 contacts →
	Exact match “Gfi became Inetum in 2020.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Columbus	Exact match	Copenhagen, DenmarkHQ recorded Nov 6, 2026	1,001-5,000	2,169 contacts →
	Exact match “Columbus is a consultancy company helping organisations drive business value by defining, executing, and evolving their entire business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	BDO Brazil	Exact match	Sp, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,994 contacts →
	Exact match “Presidida por Raul Corrêa da Silva, a BDO RCS foi fundada em 2001 e desde então mantém participação expressiva no mercado de auditorias.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Emagine	Exact match	Copenhagen, DenmarkHQ recorded Nov 6, 2026	1,001-5,000	1,884 contacts →
	Exact match “emagine is a high-end business & IT consulting company challenging the way businesses leverage high-end expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Infotel	Exact match	Neuilly-sur-seine, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,842 contacts →
	Exact match “Infotel accompagne les directions Informatiques et Métiers des grandes entreprises depuis 45 ans (Airbus, Air France, PSA, BNP Paribas, Banque de France ou encore BPCE, etc.).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Accenture Poland	Exact match	Warsaw, PolandHQ recorded Nov 6, 2026	5,001-10,000	1,786 contacts →
	Exact match “Accenture to wiodąca, globalna firma świadcząca profesjonalne usługi na rzecz przedsiębiorstw, będących światowymi liderami, a także organizacji rządowych i pozarządowych.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Delaware Belux	Exact match	Kortrijk, BelgiumHQ recorded Nov 6, 2026	1,001-5,000	1,765 contacts →
	Exact match “WHAT do we do?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Nihilent	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,764 contacts →
	Exact match “Nihilent is a Global Consulting and Services Company using a human-centred approach for problem-solving and change management, Nihilent’s comprehensive range of expertise in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Mc2i	Exact match	Paris, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,693 contacts →
	Exact match “mc2i is an independent consultancy in Information System.” 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 “IT performance consulting firms”. 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 78,508 IT performance consulting firms worldwide

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IT performance consulting firms worldwide at a glance

As of Nov 6, 2026

24.6%Verified-email coverage

10.6Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

52,155

11-50

18,831

51-200

5,251

201-500

1,102

501-1,000

331

1,001-5,000

219

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 IT performance consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT performance consulting firms” 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 204,422 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.

IT performance consulting firms by location

368 lists · largest first

Every IT performance 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 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 “IT performance consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT performance consulting firms are there worldwide?

RevenueBase identified 78,508 company matches for IT performance consulting firms 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?

Korn Ferry tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most IT performance consulting firms?

The United States leads with 17,453 companies, followed by India (4,942) and Brazil (4,295). Every IT performance consulting firms list by country and city is linked on this page.

Which city has the most IT performance consulting firms?

London leads with 1246 company records, followed by Sao Paulo (1182) and Paris (1032).

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 204,422 professional contacts with verified work emails tracked across these 78,508 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.