Company lists · Data refreshed October 2026

Top 25 Lean consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 21,083 companies tracked

RevenueBase identified 21,083 company matches for lean consulting firms worldwide as of October 2026 and tracks 114,680 professional contacts across them, including 23,129 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for lean 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 October 1, 2026. Country and city lists for lean 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 Oct 1, 2026 How this list was built

21,083Companies

114,680Contacts tracked

23,129Verified emails

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The 25 largest lean consulting firms worldwide

Ranked by team size

Top 25 of 21,083 company matches for lean consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Propia AB	Exact match	Norrköping, SwedenHQ recorded Oct 1, 2026	n/a	2,448 contacts →
	Exact match “Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	ACE	Exact match	CanadaHQ recorded Oct 1, 2026	n/a	1,915 contacts →
	Exact match “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	W3global	Exact match	Frisco, TX, United StatesHQ recorded Oct 1, 2026	501-1,000	1,149 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 · Oct 1, 2026 · View company records in RevenueBase
4	デロイトトーマツコンサルティング(合同)	Exact match	千代田区, JapanHQ recorded Oct 1, 2026	501-1,000	696 contacts →
	Exact match “is a management consulting company based out of, Japan.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	SEI	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 1, 2026	501-1,000	618 contacts →
	Exact match “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Julhiet Sterwen	Exact match	Neuilly Sur Seine, FranceHQ recorded Oct 1, 2026	501-1,000	551 contacts →
	Exact match “julhiet sterwen is a key player in management, human resources and operational consulting.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	DLC	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	201-500	546 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Analytix Business Solutions India Pvt. LTD	Exact match	Ahmedabad, IndiaHQ recorded Oct 1, 2026	501-1,000	504 contacts →
	Exact match “One Company Limitless Possibilities” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Vector Consulting Group	Exact match	Thane West, IndiaHQ recorded Oct 1, 2026	201-500	436 contacts →
	Exact match “Using our unique engagement & solutions approach to management consultancy, we help clients solve chronic problems in supply chain, operations, sales & distribution, new product…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Kaizen Institute Global	Exact match	Zug, SwitzerlandHQ recorded Oct 1, 2026	501-1,000	406 contacts →
	Exact match “The Operating System for Continuous Improvement.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Tokio Marine Life Insurance Malaysia BHD	Exact match	Jalan Todak 5, MalaysiaHQ recorded Oct 1, 2026	201-500	376 contacts →
	Exact match “Tokio Marine Life Insurance Malaysia Bhd is a management consulting company based out of 11 Bangunan Tm Asia Life, Jalan Todak 5, Malaysia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	KLB	Exact match	Vincennes, MexicoHQ recorded Oct 1, 2026	501-1,000	363 contacts →
	Exact match “KLB Group is an international consulting firm specializing in operational performance for more than 25 years and bringing together nearly 750 employees worldwide.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Meotec	Exact match	Boulogne-Billancourt, FranceHQ recorded Oct 1, 2026	501-1,000	310 contacts →
	Exact match “Since 2005, Meotec's vision has been to position itself as an operational consulting firm evolving between strategy consulting firms and engineering companies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Okin Process	Exact match	San Antonio, TX, United StatesHQ recorded Oct 1, 2026	501-1,000	310 contacts →
	Exact match “At OKIN Process, we won’t just lighten your workload.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Assyst	Exact match	Sterling, VA, United StatesHQ recorded Oct 1, 2026	51-200	284 contacts →
	Exact match “ASSYST is an agile, CMMC-certified, CMMI Maturity Level 3, and ISO 9001, ISO and ISO 27001-certified technology and consulting firm that helps government agencies modernize…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Gemba Concepts	Exact match	Bangalore, IndiaHQ recorded Oct 1, 2026	51-200	280 contacts →
	Exact match “Founded in 2014 by former Toyota professionals Mohit Bafna and Abhishek Kumar, Gemba Concepts was built on a single belief: excellence is not an act, but a habit embedded in daily…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Skender	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	201-500	275 contacts →
	Exact match “The premier construction experience.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Level Group BR	Exact match	Barueri, BrazilHQ recorded Oct 1, 2026	201-500	271 contacts →
	Exact match “Na Level Group, somos especialistas em fornecer soluções inovadoras de Supply Chain, gestão de fornecedores e tecnologia, focadas na otimização de processos e redução de custos.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Brandt Business Services	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 1, 2026	501-1,000	268 contacts →
	Exact match “Built on the company’s core expertise, Brandt helps organizations achieve enhanced service levels through transforming the approach, performance, quality and efficiency of the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Monarch Innovation Private Limited	Exact match	Ahmedabad, IndiaHQ recorded Oct 1, 2026	201-500	259 contacts →
	Exact match “Monarch Innovation is a Design & Engineering company based out of India which serves the clientele across the globe through its strategic partnerships, alliances & collaborations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Cargaison Express	Exact match	Mohali, IndiaHQ recorded Oct 1, 2026	201-500	254 contacts →
	Exact match “At Cargaison Express, we're not just an outsourcing company but your dedicated partners in scaling your business to new heights.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Atos Information Technology Gmbh	Exact match	Düsseldorf, GermanyHQ recorded Oct 1, 2026	10001+	251 contacts →
	Exact match “Atos Information Technology GmbH is a management consulting company” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Scottmadden, INC	Exact match	Raleigh, NC, United StatesHQ recorded Oct 1, 2026	201-500	244 contacts →
	Exact match “ScottMadden is a management consulting firm that does what it takes to get the job done right.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Graymatter	Exact match	Sewickley, PA, United StatesHQ recorded Oct 1, 2026	201-500	243 contacts →
	Exact match “At GrayMatter, smart thinking meets decisive doing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Professional Advantage	Exact match	124 Walker Street, AustraliaHQ recorded Oct 1, 2026	201-500	234 contacts →
	Exact match “Helping organisations achieve more with technology.” Recorded in the RevenueBase company graph · Oct 1, 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 “lean 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 21,083 lean consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 23,129 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lean consulting firms worldwide at a glance

As of Oct 1, 2026

20.2%Verified-email coverage

5.4Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

16,705

11-50

3,447

51-200

625

201-500

156

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

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 lean consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “lean 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 23,129 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 October 1, 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.

Lean consulting firms by location

111 lists · largest first

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

How many lean consulting firms are there worldwide?

RevenueBase identified 21,083 company matches for lean consulting firms worldwide as of October 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?

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

Which country has the most lean consulting firms?

The United States leads with 4,889 companies, followed by Brazil (1,989) and the United Kingdom (1,286). Every lean consulting firms list by country and city is linked on this page.

Which city has the most lean consulting firms?

Sao Paulo leads with 370 company records, followed by London (275) and Paris (225).

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 23,129 professional contacts with verified work emails tracked across these 21,083 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 October 1, 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.