Company lists · Data refreshed September 2026

Top 25 Business process improvement consulting firms worldwide

RevenueBase identified 38,102 business process improvement consulting firms worldwide as of September 2026 and tracks 299,705 professional contacts across them, including 88,837 with verified work emails and 44,767 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers business process improvement consulting firms 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 23, 2026. Country and city lists for business process improvement consulting firms 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 23, 2026 86% judged on-target in blind review
38,102Companies
299,705Contacts tracked
88,837Verified emails
44,767Mobile numbers
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The 25 largest business process improvement consulting firms worldwide

Ranked by team size
Top 25 of 38,102 business process improvement consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to business process improvement consulting firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSeattle, WA, United StatesHQ checked Sep 23, 202610001+10,032 contacts →

Partial evidence

“Slalom is a fiercely human business and technology consulting company that leads with outcomes to bring more value, in all ways, always.”

Source: RevenueBase Database · checked Sep 23, 2026
2Partial evidenceMenlo Park, CA, United StatesHQ checked Sep 23, 20265,001-10,0008,779 contacts →

Partial evidence

“Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…”

Source: RevenueBase Database · checked Sep 23, 2026
3Partial evidenceEast Moline, IL, United StatesHQ checked Sep 23, 20265,001-10,0007,769 contacts →

Partial evidence

“YASH Technologies is a consulting-led transformation partner with a proven track record of helping customers address their current and prospective digital transformation…”

Source: RevenueBase Database · checked Sep 23, 2026
4Partial evidence100-101 Terrasse Boieldieu, FranceHQ checked Sep 23, 20261,001-5,0006,190 contacts →

Partial evidence

“Wavestone is a leading consulting firm operating at the intersection of business and technology.”

Source: RevenueBase Database · checked Sep 23, 2026
5Partial evidenceMadrid, SpainHQ checked Sep 23, 20261,001-5,0004,468 contacts →

Partial evidence

“Management Solutions is a leading provider of business consulting services for regulated industries.”

Source: RevenueBase Database · checked Sep 23, 2026
6Indirect evidenceNew York, NY, United StatesHQ checked Sep 23, 20261,001-5,0003,583 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 23, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 23, 20261,001-5,0003,115 contacts →

Partial evidence

“QX Global Group is a sector‑led, technology‑enabled Business Process Management partner serving mid‑market organizations across the US, UK, and Ireland.”

Source: RevenueBase Database · checked Sep 23, 2026
8Indirect evidenceNorrköping, SwedenHQ checked Sep 23, 2026n/a2,448 contacts →

Indirect evidence

“Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.”

Source: RevenueBase Database · checked Sep 23, 2026
9Partial evidenceWestport, CT, United StatesHQ checked Sep 23, 2026n/a1,650 contacts →

Partial evidence

“MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.”

Source: RevenueBase Database · checked Sep 23, 2026
10Strong evidenceNew York, NY, United StatesHQ checked Sep 23, 20261,001-5,0001,224 contacts →

Strong 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 23, 2026
11Partial evidenceLisbon, PortugalHQ checked Sep 23, 2026201-5001,168 contacts →

Partial evidence

“GMS was established in early 2003 to provide strategic, business and IT consulting and changed its name to Maksen in December 2010.”

Source: RevenueBase Database · checked Sep 23, 2026
12Partial evidenceFrisco, TX, United StatesHQ checked Sep 23, 2026501-1,0001,149 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 23, 2026
13Partial evidencePrinceton, NJ, United StatesHQ checked Sep 23, 20261,001-5,0001,121 contacts →

Partial evidence

“Intelligroup is a global provider of innovative consulting, technology, and outsourcing services.”

Source: RevenueBase Database · checked Sep 23, 2026
14Strong evidenceSherman Oaks, CA, United StatesHQ checked Sep 23, 2026n/a912 contacts →

Strong evidence

“We are a Performance Improvement Consulting Firm Increase profitability and productivity with our proven Management System™.”

Source: RevenueBase Database · checked Sep 23, 2026
15Partial evidenceNew York, NY, United StatesHQ checked Sep 23, 2026501-1,000870 contacts →

Partial evidence

“Cogneesol is a global professional services firm offering comprehensive bespoke and ready-to-deploy business process management solutions to help businesses optimize, innovate and…”

Source: RevenueBase Database · checked Sep 23, 2026
16Partial evidenceHeidelberg, United KingdomHQ checked Sep 23, 20261,001-5,000865 contacts →

Partial evidence

“Founded in 1969, Westernacher Consulting operates worldwide, with consultants in Europe, Asia and the Americas.”

Source: RevenueBase Database · checked Sep 23, 2026
17Indirect evidenceLyon, FranceHQ checked Sep 23, 20261,001-5,000750 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 23, 2026
18Indirect evidenceRichardson, TX, United StatesHQ checked Sep 23, 2026501-1,000706 contacts →

Indirect evidence

“MobileComm is now fully integrated with UST.”

Source: RevenueBase Database · checked Sep 23, 2026
19Indirect evidenceMilan, ItalyHQ checked Sep 23, 2026501-1,000648 contacts →

Indirect evidence

“Abstract with 25 years experience is a well-recognized innovation partner, supporting market-leading companies in: Digital IT transformation Development of digital automation…”

Source: RevenueBase Database · checked Sep 23, 2026
20Indirect evidenceDallas, TX, United StatesHQ checked Sep 23, 2026501-1,000645 contacts →

Indirect evidence

“Pariveda is a North American-based, employee-owned professional services firm.”

Source: RevenueBase Database · checked Sep 23, 2026
21Indirect evidenceLondon, United StatesHQ checked Sep 23, 20261,001-5,000640 contacts →

Indirect evidence

“At Adaptavist, we unlock value and set you on a path to exponential growth.”

Source: RevenueBase Database · checked Sep 23, 2026
22Indirect evidenceWoburn, MA, United StatesHQ checked Sep 23, 2026501-1,000640 contacts →

Indirect evidence

“Welcome to Analytix Solutions!”

Source: RevenueBase Database · checked Sep 23, 2026
23Partial evidenceCincinnati, OH, United StatesHQ checked Sep 23, 2026501-1,000618 contacts →

Partial evidence

“SEI is a management consulting firm delivering fresh perspectives and reliable results.”

Source: RevenueBase Database · checked Sep 23, 2026
24Indirect evidencePlano, TX, United StatesHQ checked Sep 23, 2026501-1,000605 contacts →

Indirect evidence

“Cprime brings business into a new light, illuminating possibilities that once seemed hidden.”

Source: RevenueBase Database · checked Sep 23, 2026
25Indirect evidenceWayne, PA, United StatesHQ checked Sep 23, 20261,001-5,000557 contacts →

Indirect evidence

“For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…”

Source: RevenueBase Database · checked Sep 23, 2026

Showing 25 of 38,102 business process improvement consulting firms worldwide

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Business process improvement consulting firms worldwide at a glance

As of Sep 23, 2026
29.6%Verified-email coverage
14.9%Mobile-number coverage
7.9Average contacts per company
1-10Median size (employees)
2.9%Largest-city concentration · Sao Paulo
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
29,730
11-50
6,453
51-200
1,354
201-500
285
501-1,000
117
1,001-5,000
66
5,001-10,000
18
10001+
17

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 business process improvement consulting firms, 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
38 countries, largest first: the United States, Brazil, the United Kingdom, France, Germany, Canada, Australia, Mexico, the Netherlands, Spain and 28 more. Country and city lists for business process improvement consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “business process improvement consulting firms”. 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 business process improvement consulting firms), 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 business process improvement consulting firms, 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, 88,837 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 23, 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.

Business process improvement consulting firms by location

169 lists · largest first

Every Business process improvement 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 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 business process improvement consulting firms, 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 business process improvement consulting firms are there worldwide?

RevenueBase identified 38,102 business process improvement consulting firms 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?

Slalom, headquartered in Seattle, tops this list with the largest team on record.

Which country has the most business process improvement consulting firms?

The United States leads with 11,576 companies, followed by Brazil (4,519) and the United Kingdom (2,843). Every business process improvement consulting firms list by country and city is linked on this page.

Which city has the most business process improvement consulting firms?

Sao Paulo leads with 1122 headquartered companies, followed by London (922) and Paris (562).

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 88,837 verified decision-maker contacts tracked across these 38,102 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 23, 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 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.