Company lists · Data refreshed November 2026

Top 25 Operational improvement consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 81,387 companies tracked

RevenueBase identified 81,387 company matches for operational improvement consulting companies worldwide as of November 2026 and tracks 559,393 professional contacts across them, including 132,864 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for operational improvement consulting companies 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 operational improvement consulting companies 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

81,387Companies

559,393Contacts tracked

132,864Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest operational improvement consulting companies worldwide

Ranked by team size

Top 25 of 81,387 company matches for operational improvement consulting companies 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	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
3	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
4	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
5	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
6	Unipart	Exact match	Oxford, United KingdomHQ recorded Nov 6, 2026	10001+	3,847 contacts →
	Exact match “Unipart is a supply chain performance improvement partner, delivering efficiency, resilience, and sustainability across multiple sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	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
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	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
10	Argano	Exact match	Plano, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,854 contacts →
	Exact match “Argano is the world’s first and largest digital services consultancy focused exclusively on enabling high performance across our clients’ business operations, at scale and around…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	MRO	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,733 contacts →
	Exact match “Nós acreditamos que recursos são preciosos e precisam ser bem geridos para se perpetuar.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	DSS	Exact match	Geneva, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,687 contacts →
	Exact match “dss⁺ is the operational transformation partner for complex and high-hazard industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Valcon	Exact match	Utrecht, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	1,509 contacts →
	Exact match “At Valcon, we are a European powerhouse in AI- and data-driven business transformation.” 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	PWC South East Asia Consulting	Exact match	Dki Jakarta, SingaporeHQ recorded Nov 6, 2026	1,001-5,000	1,269 contacts →
	Exact match “PwC South East Asia Consulting is the regional consulting arm of the firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	GMS	Exact match	Lisbon, PortugalHQ recorded Nov 6, 2026	201-500	1,235 contacts →
	Exact match “GMS was established in early 2003 to provide strategic, business and IT consulting and changed its name to Maksen in December 2010.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	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
21	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
22	Visagio	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	501-1,000	1,063 contacts →
	Exact match “A Visagio Group company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Sollers Consulting	Exact match	Warsaw, PolandHQ recorded Nov 6, 2026	1,001-5,000	984 contacts →
	Exact match “Sollers Consulting assists insurance companies in developing industry-leading operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	Westernacher Consulting	Exact match	Heidelberg, GermanyHQ recorded Nov 6, 2026	1,001-5,000	959 contacts →
	Exact match “Founded in 1969, Westernacher Consulting operates worldwide, with consultants in Europe, Asia and the Americas.” 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 “operational improvement consulting companies”. 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 81,387 operational improvement consulting companies worldwide

See the full list, filter by size, metro and specialty, and access 132,864 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Operational improvement consulting companies worldwide at a glance

As of Nov 6, 2026

23.8%Verified-email coverage

6.9Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

63,546

11-50

13,724

51-200

2,708

201-500

583

501-1,000

190

1,001-5,000

133

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 operational improvement consulting companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “operational improvement consulting companies” 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 132,864 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.

Operational improvement consulting companies by location

353 lists · largest first

Every Operational improvement consulting companies 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 “operational improvement consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational improvement consulting companies are there worldwide?

RevenueBase identified 81,387 company matches for operational improvement consulting companies 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 operational improvement consulting companies?

The United States leads with 16,283 companies, followed by Brazil (5,831) and the United Kingdom (4,319). Every operational improvement consulting companies list by country and city is linked on this page.

Which city has the most operational improvement consulting companies?

Sao Paulo leads with 1426 company records, followed by London (1383) and Paris (941).

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 132,864 professional contacts with verified work emails tracked across these 81,387 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.

Ready to reach these companies? Verified emails and direct dials for all 81,387 operational improvement consulting companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.