Company lists · Data refreshed September 2026

Top 25 Operational excellence consultants worldwide

Name: Operational excellence consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 44,181 companies tracked

RevenueBase identified 44,181 operational excellence consultants worldwide as of September 2026 and tracks 292,280 professional contacts across them, including 61,089 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers operational excellence consultants 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 20, 2026. Country and city lists for operational excellence consultants 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 20, 2026 86% judged on-target in blind review

44,181Companies

292,280Contacts tracked

61,089Verified emails

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

The 25 largest operational excellence consultants worldwide

Ranked by team size

Top 25 of 44,181 operational excellence consultants worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to operational excellence consultants: 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	Eficacia	Indirect evidence	Cali, ColombiaHQ checked Sep 20, 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 20, 2026
2	Management Solutions	Indirect evidence	Madrid, SpainHQ checked Sep 20, 2026	1,001-5,000	4,468 contacts →
	Indirect evidence “Management Solutions is a leading provider of business consulting services for regulated industries.” Source: RevenueBase Database · checked Sep 20, 2026
3	Unipart	Indirect evidence	Oxford, United KingdomHQ checked Sep 20, 2026	10001+	3,205 contacts →
	Indirect evidence “Unipart is a supply chain performance improvement partner, delivering efficiency, resilience, and sustainability across multiple sectors.” Source: RevenueBase Database · checked Sep 20, 2026
4	Propia AB	Strong evidence	Norrköping, SwedenHQ checked Sep 20, 2026	n/a	2,448 contacts →
	Strong evidence “Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.” Source: RevenueBase Database · checked Sep 20, 2026
5	ACE	Indirect evidence	CanadaHQ checked Sep 20, 2026	n/a	1,915 contacts →
	Indirect evidence “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Source: RevenueBase Database · checked Sep 20, 2026
6	Nihilent	Indirect evidence	Pune, IndiaHQ checked Sep 20, 2026	1,001-5,000	1,703 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
7	MRO	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 20, 2026	1,001-5,000	1,581 contacts →
	Indirect evidence “Nós acreditamos que recursos são preciosos e precisam ser bem geridos para se perpetuar.” Source: RevenueBase Database · checked Sep 20, 2026
8	DSS	Partial evidence	Geneva, United KingdomHQ checked Sep 20, 2026	1,001-5,000	1,493 contacts →
	Partial evidence “dss⁺ is the operational transformation partner for complex and high-hazard industries.” Source: RevenueBase Database · checked Sep 20, 2026
9	Izertis	Indirect evidence	Gijón, SpainHQ checked Sep 20, 2026	1,001-5,000	1,318 contacts →
	Indirect evidence “En Izertis, no solo creemos en la innovación: la vivimos.” Source: RevenueBase Database · checked Sep 20, 2026
10	FBSPL	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,224 contacts →
	Indirect evidence “FBSPL is an AI-integrated consulting firm that helps businesses enhance efficiency through intelligent processes, technology, and domain expertise.” Source: RevenueBase Database · checked Sep 20, 2026
11	Infinit-O	Indirect evidence	Pasay, PhilippinesHQ checked Sep 20, 2026	1,001-5,000	1,203 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
12	W3global	Partial evidence	Frisco, TX, United StatesHQ checked Sep 20, 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 20, 2026
13	Porsche Consulting	Partial evidence	Stuttgart, GermanyHQ checked Sep 20, 2026	501-1,000	988 contacts →
	Partial evidence “As a leading consultancy for putting strategies into practice, we have a clear mission: we generate competitive advantage on the basis of measurable results.” Source: RevenueBase Database · checked Sep 20, 2026
14	Visagio	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 20, 2026	501-1,000	970 contacts →
	Indirect evidence “A Visagio Group company.” Source: RevenueBase Database · checked Sep 20, 2026
15	MAP	Indirect evidence	Sherman Oaks, CA, United StatesHQ checked Sep 20, 2026	n/a	912 contacts →
	Indirect evidence “We are a Performance Improvement Consulting Firm Increase profitability and productivity with our proven Management System™.” Source: RevenueBase Database · checked Sep 20, 2026
16	Westernacher Consulting	Partial evidence	Heidelberg, United KingdomHQ checked Sep 20, 2026	1,001-5,000	865 contacts →
	Partial evidence “Founded in 1969, Westernacher Consulting operates worldwide, with consultants in Europe, Asia and the Americas.” Source: RevenueBase Database · checked Sep 20, 2026
17	Argon & CO	Strong evidence	Levallois-perret, FranceHQ checked Sep 20, 2026	1,001-5,000	858 contacts →
	Strong evidence “Argon & Co is a global management consultancy that specialises in operations strategy and transformation.” Source: RevenueBase Database · checked Sep 20, 2026
18	MEB Energy	Indirect evidence	Umhlanga, South AfricaHQ checked Sep 20, 2026	n/a	840 contacts →
	Indirect evidence “Our unique enthusiastic culture, integrity, honesty, and determination to succeed, coupled with an experience factor, allows us to deliver quality to international standards.” Source: RevenueBase Database · checked Sep 20, 2026
19	Go2b	Indirect evidence	São Paulo, BrazilHQ checked Sep 20, 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 20, 2026
20	CAI	Strong evidence	Indianapolis, IN, United StatesHQ checked Sep 20, 2026	501-1,000	763 contacts →
	Strong evidence “At CAI, we are a professional services firm designed to accelerate operational readiness and excellence in critical environments.” Source: RevenueBase Database · checked Sep 20, 2026
21	Visiativ	Indirect evidence	Lyon, FranceHQ checked Sep 20, 2026	1,001-5,000	750 contacts →
	Indirect evidence “Through innovation and digitalisation, Visiativ delivers smarter ways of working that help businesses become more agile, efficient and collaborative.” Source: RevenueBase Database · checked Sep 20, 2026
22	デロイトトーマツコンサルティング(合同)	Indirect evidence	千代田区, JapanHQ checked Sep 20, 2026	501-1,000	696 contacts →
	Indirect evidence “is a management consulting company based out of, Japan.” Source: RevenueBase Database · checked Sep 20, 2026
23	Analytix Solutions	Indirect evidence	Woburn, MA, United StatesHQ checked Sep 20, 2026	501-1,000	640 contacts →
	Indirect evidence “Welcome to Analytix Solutions!” Source: RevenueBase Database · checked Sep 20, 2026
24	SEI	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 20, 2026	501-1,000	618 contacts →
	Indirect evidence “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Source: RevenueBase Database · checked Sep 20, 2026
25	Efeso Management Consultants	Strong evidence	Paris, FranceHQ checked Sep 20, 2026	1,001-5,000	593 contacts →
	Strong evidence “At EFESO Management Consultants, we partner with industrial leaders to build stronger, more resilient and future ready operations, enabling their organizations to outperform in an…” Source: RevenueBase Database · checked Sep 20, 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: operational excellence consultants. 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 operational excellence consultants.
Partial evidence: Its own public description names part of operational excellence consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name operational excellence consultants. 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 44,181 operational excellence consultants worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 61,089 reachable decision-makers.

Free signup · no credit card

View the full list →

Operational excellence consultants worldwide at a glance

As of Sep 20, 2026

20.9%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

34,104

11-50

7,744

51-200

1,611

201-500

386

501-1,000

124

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 operational excellence consultants, 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 operational excellence consultants are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “operational excellence consultants”. 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 operational excellence consultants), 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 operational excellence consultants, 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, 61,089 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 20, 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.

Operational excellence consultants by location

161 lists · largest first

Every Operational excellence 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 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 operational excellence consultants, 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 operational excellence consultants are there worldwide?

RevenueBase identified 44,181 operational excellence consultants 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?

Eficacia, headquartered in Cali, tops this list with the largest team on record.

Which country has the most operational excellence consultants?

The United States leads with 8,580 companies, followed by Brazil (3,355) and the United Kingdom (2,160). Every operational excellence consultants list by country and city is linked on this page.

Which city has the most operational excellence consultants?

Sao Paulo leads with 764 headquartered companies, followed by London (608) and Paris (498).

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 61,089 verified decision-maker contacts tracked across these 44,181 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 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 44,181 operational excellence consultants 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 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.