Company lists · Data refreshed November 2026

Top 25 Operational improvement consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 45,474 companies tracked

RevenueBase identified 45,474 company matches for operational improvement consultants worldwide as of November 2026 and tracks 252,714 professional contacts across them, including 53,948 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 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 operational 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

45,474Companies

252,714Contacts tracked

53,948Verified emails

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The 25 largest operational improvement consultants worldwide

Ranked by team size

Top 25 of 45,474 company matches for operational 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	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
2	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
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	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 Nov 6, 2026	501-1,000	790 contacts →
	Exact match “is a management consulting company based out of, Japan.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	CAI	Exact match	Indianapolis, United StatesHQ recorded Nov 6, 2026	501-1,000	776 contacts →
	Exact match “At CAI, we are a professional services firm designed to accelerate operational readiness and excellence in critical environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Visiativ	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	1,001-5,000	770 contacts →
	Exact match “Through innovation and digitalisation, Visiativ delivers smarter ways of working that help businesses become more agile, efficient and collaborative.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	SEI	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 6, 2026	501-1,000	661 contacts →
	Exact match “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Analytix Solutions	Exact match	Woburn, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	624 contacts →
	Exact match “Welcome to Analytix Solutions!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	DLC	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	577 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Julhiet Sterwen	Exact match	Neuilly Sur Seine, FranceHQ recorded Nov 6, 2026	501-1,000	566 contacts →
	Exact match “julhiet sterwen is a key player in management, human resources and operational consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Norsys	Exact match	Ennevelin, FranceHQ recorded Nov 6, 2026	501-1,000	518 contacts →
	Exact match “La vision du groupe norsys : développer une performance globale de l’entreprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Partners In Performance, Part Of Accenture	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	501-1,000	514 contacts →
	Exact match “Partners in Performance, part of Accenture, is an agile, fast growing international management consultancy; a leading global player in driving operational excellence for complex…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Vector Consulting Group	Exact match	Thane West, IndiaHQ recorded Nov 6, 2026	201-500	484 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 · Nov 6, 2026 · View company records in RevenueBase
20	DB	Exact match	Qormi Qormi, MaltaHQ recorded Nov 6, 2026	n/a	480 contacts →
	Exact match “DB supports organisations build greater power, passion and performance by assisting them identify, set and implement the necessary dimension and bearing required to reach their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Sendero	Exact match	Dallas, GA, United StatesHQ recorded Nov 6, 2026	201-500	459 contacts →
	Exact match “Sendero is a management consulting firm that optimizes technology, improves operations, advances workforce productivity, and enhances customer experience-all to deliver tangible…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Kaizen Institute Global	Exact match	Zug, SwitzerlandHQ recorded Nov 6, 2026	501-1,000	457 contacts →
	Exact match “The Operating System for Continuous Improvement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	3eriza	Exact match	Surquillo, PeruHQ recorded Nov 6, 2026	1,001-5,000	443 contacts →
	Exact match “3eriza es una consultora especializada en el diseño, implementación y optimización de la provisión de servicios a empresas, brindando soporte en dos frentes: Asesorando a empresas…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Tokio Marine Life Insurance Malaysia BHD	Exact match	Jalan Todak 5, MalaysiaHQ recorded Nov 6, 2026	201-500	415 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 · Nov 6, 2026 · View company records in RevenueBase
25	JOBS	Exact match	Asunción, ParaguayHQ recorded Nov 6, 2026	51-200	406 contacts →
	Exact match “Ayudamos a las organizaciones a mejorar su desempeño y a agregar valor para sus clientes"."Aportamos soluciones, que atienden las necesidades de las organizaciones y de las…” 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 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 45,474 operational improvement consultants worldwide

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Operational improvement consultants worldwide at a glance

As of Nov 6, 2026

21.3%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

36,475

11-50

6,991

51-200

1,277

201-500

275

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 operational improvement consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “operational 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 53,948 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 consultants by location

205 lists · largest first

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

How many operational improvement consultants are there worldwide?

RevenueBase identified 45,474 company matches for operational 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?

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

Which country has the most operational improvement consultants?

The United States leads with 9,058 companies, followed by Brazil (3,330) and the United Kingdom (2,474). Every operational improvement consultants list by country and city is linked on this page.

Which city has the most operational improvement consultants?

Sao Paulo leads with 774 company records, followed by London (672) and Paris (469).

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 53,948 professional contacts with verified work emails tracked across these 45,474 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.