Company lists · Data refreshed November 2026

Top 25 Operations improvement consultants worldwide

Name: Operations improvement consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 52,318 companies tracked

RevenueBase identified 52,318 company matches for operations improvement consultants worldwide as of November 2026 and tracks 432,890 professional contacts across them, including 111,828 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for operations improvement 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 operations improvement 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

52,318Companies

432,890Contacts tracked

111,828Verified emails

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The 25 largest operations improvement consultants worldwide

Ranked by team size

Top 25 of 52,318 company matches for operations improvement 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	EXL	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	46,962 contacts →
	Exact match “Choosing a digital partner is about more than capabilities, it’s about collaboration and character.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Alvarez & Marsal	Exact match	New York, IL, United StatesHQ recorded Nov 6, 2026	10001+	14,637 contacts →
	Exact match “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	Arthur D. Little	Exact match	Brussels, BelgiumHQ recorded Nov 6, 2026	1,001-5,000	2,285 contacts →
	Exact match “As people, organizations and societies embrace change at pace, its leaders must anticipate, innovate and transform ever faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	North Highland	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,936 contacts →
	Exact match “North Highland helps businesses move from strategy to reality, taking a pragmatic and practical approach to build solutions that work and create impact that lasts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	Everest Group	Exact match	Dallas-fort Worth, United StatesHQ recorded Nov 6, 2026	501-1,000	1,460 contacts →
	Exact match “Everest Group is a leading research firm that applies research to people’s day-to-day business problems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Infinit-O	Exact match	Pasay, PhilippinesHQ recorded Nov 6, 2026	1,001-5,000	1,439 contacts →
	Exact match “Infinit-O empowers finance and healthcare organizations to thrive in a digital-first world by combining specialized industry expertise, innovative technology, and a commitment to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	FBSPL	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,323 contacts →
	Exact match “FBSPL is an AI-integrated consulting firm that helps businesses enhance efficiency through intelligent processes, technology, and domain expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Ceb, NOW Gartner	Exact match	Arlington, United StatesHQ recorded Nov 6, 2026	10001+	1,240 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Horváth	Exact match	Stuttgart, GermanyHQ recorded Nov 6, 2026	1,001-5,000	1,226 contacts →
	Exact match “Horváth is an international, independent management consultancy with more than 1,300 employees across offices in Europe, the United States, and Asia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	W3global	Exact match	Frisco, United StatesHQ recorded Nov 6, 2026	501-1,000	1,166 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	Baker Tilly Netherlands	Exact match	Utrecht, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	1,024 contacts →
	Exact match “Meer dan cijfers: wij zijn jouw partner in groei Bij Baker Tilly kijken we verder.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Polo Ralph Lauren	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	997 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	MAP	Exact match	Sherman Oaks, CA, United StatesHQ recorded Nov 6, 2026	n/a	964 contacts →
	Exact match “We are a Performance Improvement Consulting Firm Increase profitability and productivity with our proven Management System™.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Argon & CO	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	926 contacts →
	Exact match “Argon & Co is a global management consultancy that specialises in operations strategy and transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	KG Invicta Services Kgis	Exact match	Coimbatore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	917 contacts →
	Exact match “By combining human insight, intelligence, and automation, we turn tomorrow’s challenges into today’s advantage.” 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 “operations improvement 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 52,318 operations improvement consultants worldwide

See the full list, filter by size, metro and specialty, and access 111,828 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operations improvement consultants worldwide at a glance

As of Nov 6, 2026

25.8%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

39,873

11-50

9,370

51-200

1,911

201-500

410

501-1,000

133

1,001-5,000

101

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 operations improvement consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “operations improvement 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 111,828 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.

Operations improvement consultants by location

236 lists · largest first

Every Operations improvement 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 “operations improvement consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operations improvement consultants are there worldwide?

RevenueBase identified 52,318 company matches for operations improvement 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?

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

Which country has the most operations improvement consultants?

The United States leads with 9,261 companies, followed by Brazil (3,943) and the United Kingdom (3,369). Every operations improvement consultants list by country and city is linked on this page.

Which city has the most operations improvement consultants?

London leads with 1022 company records, followed by Sao Paulo (949) and Paris (601).

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 111,828 professional contacts with verified work emails tracked across these 52,318 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.