Company lists · Data refreshed September 2026
Top 25 Change management services worldwide
RevenueBase identified 9,280 change management services worldwide as of September 2026 and tracks 44,674 professional contacts across them, including 12,572 with verified work emails. The United States is the largest market and London the largest hub.
This list covers change management services 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 21, 2026. Country and city lists for change management services 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.
The 25 largest change management services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,792 contacts → | ||||
Indirect evidence “North Highland helps businesses move from strategy to reality, taking a pragmatic and practical approach to build solutions that work and create impact that lasts.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 610 contacts → | ||||
Partial evidence “Cennox help the world’s leading brands to execute and deliver their complex change programs across technology, security and facility transformation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 408 contacts → | ||||
Partial evidence “Culturelligence drives organizational transformation by energizing and engaging leaders and employees as change champions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 329 contacts → | ||||
Strong evidence “Mediterranean For Communication and Information Technology (MCIT) provides a total coverage of the life-cycle phases of all technology-related projects and change management…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 321 contacts → | ||||
Strong evidence “Colombus Consulting is a management consulting firm specialized in business change and complex project management.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 292 contacts → | ||||
Strong evidence “Integration is a strategy & management consultancy committed to realizing the change that our clients need.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 281 contacts → | ||||
Strong evidence “WCL specialises in change and transformation management and has worked extensively with nearly all UK Government Departments, as well as many private sector clients, on planning…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 248 contacts → | ||||
Strong evidence “Global change management consulting company with >25 years of experience.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 247 contacts → | ||||
Partial evidence “We’re a dynamic consulting firm, focused on delivering change.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 222 contacts → | ||||
Indirect evidence “Vi vitaliserar företag genom förändring.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 206 contacts → | ||||
Indirect evidence “Welcome to the Protiviti perspective.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 196 contacts → | ||||
Partial evidence “We live in an era of exponential change.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 188 contacts → | ||||
Strong evidence “Our mission is supporting our clients' organizational change through Product management and providing them innovation capacity through technology and the Cloud” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 187 contacts → | ||||
Indirect evidence “Blue Bricks is dé energieke veranderpartner die focust op wat er wél kan.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 187 contacts → | ||||
Partial evidence “JA Consulting Limited is a passionate change consultancy focussing on sales and business transformation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 174 contacts → | ||||
Strong evidence “Founded in 1998, we specialize in training, organizational change management, and health strategy and innovation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 158 contacts → | ||||
Indirect evidence “SeederDeBoer is een eigenzinnig organisatieadviesbureau, gevestigd naast het centraal station van Amsterdam.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 155 contacts → | ||||
Indirect evidence “For 25+ years, many of the world’s largest companies and best-known brands have chosen Spencer Thomas to guide them through their HCM journey.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 148 contacts → | ||||
Strong evidence “Nexe The Way of Change is a company specialized in change management, active in Europe and Latin America.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 142 contacts → | ||||
Partial evidence “Orphoz, a McKinsey company, is an implementation leader with a proven track record for driving lasting impact and value from the ground-up, through rigorous project management…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 141 contacts → | ||||
Partial evidence “With almost 100 employees and a network of more than managers, Atreus masters difficult management problems - especially in transformation and transition situations - when the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 140 contacts → | ||||
Partial evidence “We enable every SAP-run business to manage change intelligently - no matter how complex their technology landscape.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 139 contacts → | ||||
Partial evidence “We believe that change is an opportunity to thrive.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 137 contacts → | ||||
Indirect evidence “Assure Consulting unterstützt Unternehmen bei der erfolgreichen Realisierung komplexer Großprojekte im In- und Ausland.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 120 contacts → | ||||
Indirect evidence “Double Consulting è un'azienda italiana attiva nella consulenza direzionale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: change management services. 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 change management services.
- Partial evidence
- Its own public description names part of change management services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name change management services. 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 9,280 change management services worldwide
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Change management services worldwide at a glance
As of Sep 21, 2026Companies by employee count
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 change management services, 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 change management services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “change management services”. 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 change management services), 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 change management services, 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, 12,572 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 21, 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.
Change management services by location
41 lists · largest firstEvery Change management services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Change management services based in the United States1,407
- Change management services based in the United Kingdom848
- Change management services based in Germany788
- Change management services based in the Netherlands784
- Change management services based in France654
- Change management services based in Canada357
- Change management services based in Australia342
- Change management services based in Switzerland229
- Change management services based in Sweden223
- Change management services based in Belgium183
- Change management services based in Spain121
- Change management services based in Brazil116
- Change management services based in Italy95
- Change management services based in Austria91
- Change management services based in India91
- Change management services based in South Africa84
- Change management services based in Argentina71
- Change management services based in Mexico70
- Change management services based in Denmark69
- Change management services based in Chile65
- Change management services based in New Zealand64
- Change management services based in Poland52
- Change management services based in Türkiye43
- Change management services based in the United Arab Emirates43
- Change management services based in Finland39
- Change management services based in Ireland32
- Change management services based in Israel31
- Change management services based in Norway31
Cities
- Change management services based in Sydney, Australia87
- Change management services based in Berlin, Germany81
- Change management services based in Toronto, Canada76
- Change management services based in Melbourne, Australia71
- Change management services based in Hamburg, Germany63
- Change management services based in New York, United States50
- Change management services based in Houston, United States45
- Change management services based in Atlanta, United States43
- Change management services based in Brisbane, Australia34
- Change management services based in Calgary, Canada34
- Change management services based in Chicago, United States33
- Change management services based in Denver, United States26
- Change management services based in Washington, United States26
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 change management services, 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 change management services are there worldwide?
RevenueBase identified 9,280 change management services 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?
North Highland, headquartered in Atlanta, tops this list with the largest team on record.
Which country has the most change management services?
The United States leads with 1,407 companies, followed by the United Kingdom (848) and Germany (788). Every change management services list by country and city is linked on this page.
Which city has the most change management services?
London leads with 281 headquartered companies, followed by Paris (187) and Stockholm (93).
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 12,572 verified decision-maker contacts tracked across these 9,280 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 21, 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.