Company lists · Data refreshed September 2026

Top 25 Internationalization consulting firms based in the United Kingdom

Name: Internationalization consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,073 companies tracked

RevenueBase identified 1,073 company matches for internationalization consulting firms associated with the United Kingdom as of September 2026 and tracks 8,029 professional contacts across them, including 2,381 with verified work emails. London is the largest hub.

This list covers company matches for internationalization consulting firms associated with the United Kingdom, 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 September 28, 2026.

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 Sep 28, 2026 How this list was built

1,073Companies

8,029Contacts tracked

2,381Verified emails

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The 25 largest internationalization consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 1,073 company matches for internationalization consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Oc&c Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,011 contacts →
	Exact match “At OC & C Strategy Consultants we have more than 35 years of experience at unpicking the most complex business challenges with simple, uncommon sense™.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Topsource	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	543 contacts →
	Exact match “We operate at the critical intersection of people, place and performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Elixirr	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	275 contacts →
	Exact match “An award-winning global consulting firm working with clients across a diverse range of markets, industries and geographies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Intralink	Exact match	Abingdon, United KingdomHQ recorded Sep 28, 2026	51-200	185 contacts →
	Exact match “Intralink is a business development consultancy specialising in international markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	BIP UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	167 contacts →
	Exact match “BIP is the international consultancy for the 21st century with over 6,500 consultants globally daring to make a difference.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	ORG	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	139 contacts →
	Exact match “We believe that change is an opportunity to thrive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Humanhire Corp	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	104 contacts →
	Exact match “HumanHire Corp established in 2014 focuses to provide the most reliable and relevant resources based on client needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Mission Connect	Exact match	Birmingham, United KingdomHQ recorded Sep 28, 2026	51-200	65 contacts →
	Exact match “Mission Connect is a trusted global partner for translation, research support, and media services, helping businesses connect with diverse markets worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Arjun Global	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	59 contacts →
	Exact match “We are a consultancy specialising in scaling businesses around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Pink Elephant Emea	Exact match	Reading, United KingdomHQ recorded Sep 28, 2026	51-200	56 contacts →
	Exact match “Pink Elephant is an international knowledge leader in the field of business innovation & business change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	ADAPT	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	49 contacts →
	Exact match “Adapt helps global brands deliver campaigns that convert, by blending data-driven growth strategies with localisation expertise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Nextage & Bridgeblue Pakistan	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	201-500	39 contacts →
	Exact match “Nextage & BridgeBlue Paksiatn is an Agency for Education, Migration and Internship.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Nucleus	Exact match	Newport, United KingdomHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “International expansion should not mean managing a different accountant, lawyer, payroll provider and HR adviser in every country.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Partners In Change Consulting Limited	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	11-50	38 contacts →
	Exact match “Partners in Change Consulting is here to help you and your organisation get change done.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Inforom	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “Inforom Consultancy Services helps companies expand, strengthen and launch Internationally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Charles Marcus	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	37 contacts →
	Exact match “Charles Marcus is our multinational network of consultancy firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Kelmer Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	36 contacts →
	Exact match “Kelmer Group is an International Business Consulting company, providing its clients with customized solutions to help them expand their business around the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Briars	Exact match	Warrington, United KingdomHQ recorded Sep 28, 2026	51-200	32 contacts →
	Exact match “Briars - Scale Locally, Expand Globally 30 Years in Business, 150+ Years of Combined Expertise Trusted by Clients Global Coverage across 100+ Countries At Briars, we are your…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	3h Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	32 contacts →
	Exact match “3H Partners was founded in 2005, when consulting professionals and professors at leading European Universities and Business Schools joined forces to create a new kind of…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Tax&advise	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	29 contacts →
	Exact match “We are accountants and business consultants who speak the language of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Reesmarx	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “reesmarxGLOBAL: Your Partner in Overcoming Global Expansion Challenges.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	EA Inclusion	Exact match	Uk, United KingdomHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “EA Inclusion is a global cultural change, inclusion & diversity, and behavioural impact consultancy, with over 30 years' experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Tancredi Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	26 contacts →
	Exact match “At Tancredi, we operate at the intersection of cultures, combining our deep British and Italian roots with a fulsome understanding of Anglo-Saxon markets, including the USA.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	David Kennedy Recruitment LTD	Exact match	Belfast, United KingdomHQ recorded Sep 28, 2026	11-50	26 contacts →
	Exact match “David Kennedy Recruitment Ltd delivers exceptional recruitment services on a global scale, presenting an innovative approach that connects candidates and clients seamlessly.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	GSI Associates	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “Delivering business support services including corporate advisory, financial consulting, outsourcing, translations, cyber, sales and marketing services to companies, governments…” Recorded in the RevenueBase company graph · Sep 28, 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 “internationalization 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 1,073 internationalization consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,381 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Internationalization consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026

29.7%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

48.4%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

760

11-50

226

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,073 companies.

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.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “internationalization 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,381 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 September 28, 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.

Internationalization consulting firms by metro

Internationalization consulting firms in London519

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

How many internationalization consulting firms are there based in the United Kingdom?

RevenueBase identified 1,073 company matches for internationalization consulting firms associated with the United Kingdom as of September 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?

Oc&c Strategy Consultants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most internationalization consulting firms?

London leads with 519 company records, followed by Manchester (30) and Glasgow (14).

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 2,381 professional contacts with verified work emails tracked across these 1,073 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 September 28, 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.