Company lists · Data refreshed September 2026

Top 25 Customer service language training firms based in the United Kingdom

Name: Customer service language training 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 19, 2026 281 companies tracked

RevenueBase identified 281 customer service language training firms headquartered in the United Kingdom as of September 2026 and tracks 2,407 professional contacts across them, including 486 with verified work emails. London is the largest hub.

This list covers customer service language training firms headquartered in the United Kingdom, 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 19, 2026.

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 19, 2026 86% judged on-target in blind review

281Companies

2,407Contacts tracked

486Verified emails

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The 25 largest customer service language training firms based in the United Kingdom

Ranked by team size

Top 25 of 281 customer service language training firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to customer service language training 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	BUSUU	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	377 contacts →
	Partial evidence “Busuu is an online learning platform delivering internationally recognised professional language courses to corporations and businesses across the world.” Source: RevenueBase Database · checked Sep 19, 2026
2	EF Corporate Learning	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	10001+	282 contacts →
	Strong evidence “EF Corporate Learning is the world’s first and largest corporate language training provider.” Source: RevenueBase Database · checked Sep 19, 2026
3	Linguarama	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	233 contacts →
	Strong evidence “Linguarama provides effective, tailored Language Training courses in English and Foreign Languages for Business and Professional people.” Source: RevenueBase Database · checked Sep 19, 2026
4	Language Services Direct	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	179 contacts →
	Strong evidence “Language Services Direct is a leading supplier of professional language training in the UK and globally.” Source: RevenueBase Database · checked Sep 19, 2026
5	Fluentify A Voxy Service	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	109 contacts →
	Indirect evidence “Fluentify è la migliore soluzione online per la formazione in lingua Inglese, Francese, Spagnolo, Tedesco, Italiano e Portoghese.” Source: RevenueBase Database · checked Sep 19, 2026
6	Language Services UK Limited	Partial evidence	Bristol, United KingdomHQ checked Sep 19, 2026	501-1,000	40 contacts →
	Partial evidence “Language Services UK Limited (Company No.” Source: RevenueBase Database · checked Sep 19, 2026
7	Dramatic Resources	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	1-10	30 contacts →
	Partial evidence “Challenging, memorable and effective - our training uses a combination of demonstration, practical exercises and individual feedback.” Source: RevenueBase Database · checked Sep 19, 2026
8	Chatterbox	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	30 contacts →
	Partial evidence “At Chatterbox, we believe that language learning is a key to unlocking your full potential, both personally and professionally.” Source: RevenueBase Database · checked Sep 19, 2026
9	RLI	Strong evidence	Swansea, United KingdomHQ checked Sep 19, 2026	11-50	27 contacts →
	Strong evidence “Founded in 1989, Robertson Languages International (RLI) has been providing award-winning language training to corporations, professional firms and SMEs worldwide for almost 30…” Source: RevenueBase Database · checked Sep 19, 2026
10	London Speech Workshop B-Corp	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	26 contacts →
	Partial evidence “We deliver bespoke high-quality communication skills training for individuals within a 1:1 setting (online and in person) or for Teams within organisations.” Source: RevenueBase Database · checked Sep 19, 2026
11	Cambridge Training College Ctcbritain	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	22 contacts →
	Partial evidence “Cambridge Training College Britain (ctcbritain) have a proven track record with many leading organisations.” Source: RevenueBase Database · checked Sep 19, 2026
12	Business Language Services	Strong evidence	Cardiff, United KingdomHQ checked Sep 19, 2026	11-50	19 contacts →
	Strong evidence “BLS provides the full range of language service, including translation, interpreting, language and cultural training, typesetting, proofreading, voiceovers, foreign telemarketing…” Source: RevenueBase Database · checked Sep 19, 2026
13	Babel Group	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	17 contacts →
	Strong evidence “Babel provides high-quality foreign and English language training, cross- cultural training, diversity & inclusion workshops and personal impact courses.” Source: RevenueBase Database · checked Sep 19, 2026
14	Farnham Castle Intercultural Training	Strong evidence	Farnham, United KingdomHQ checked Sep 19, 2026	11-50	16 contacts →
	Strong evidence “With a leading reputation for more than 50 years, we deliver bespoke cross-cultural training and language coaching.” Source: RevenueBase Database · checked Sep 19, 2026
15	Accentus Language Services	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1-10	15 contacts →
	Indirect evidence “Based in the UK, we are positioning ourselves as the experts in intercultural marketing communications for UK and European businesses exporting into Latin America, the USA and…” Source: RevenueBase Database · checked Sep 19, 2026
16	Simon & Simon International	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	13 contacts →
	Partial evidence “Part of the Language Services Group, from its early beginnings as a Business English specialist in 1990, Simon & Simon has grown to become the UK’s No.1 provider of experienced…” Source: RevenueBase Database · checked Sep 19, 2026
17	WGE Language Consultancy	Partial evidence	Liverpool, United KingdomHQ checked Sep 19, 2026	11-50	13 contacts →
	Partial evidence “More than a translation agency – Word Global Eyes (WGE) is a leading international full-service agency for foreign language communication.” Source: RevenueBase Database · checked Sep 19, 2026
18	Dialogue Language Training LTD	Strong evidence	Oxford, United KingdomHQ checked Sep 19, 2026	11-50	11 contacts →
	Strong evidence “Dialogue Language Training provides expert business language training services that help organisations communicate confidently across borders.” Source: RevenueBase Database · checked Sep 19, 2026
19	Communicate Well Limited	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	10 contacts →
	Strong evidence “After 15 years experience in the language services industry Lizzie Hider founded Communicate Well to fill a gap in training provision as it existed.” Source: RevenueBase Database · checked Sep 19, 2026
20	Learn&co Language Learning HUB	Partial evidence	Fulham, United KingdomHQ checked Sep 19, 2026	1-10	10 contacts →
	Partial evidence “Learn & Co is a London based team of language tutors providing lessons to students of all ages and skill levels.” Source: RevenueBase Database · checked Sep 19, 2026
21	Language Matters UK LTD	Strong evidence	Chalfont St Giles, United KingdomHQ checked Sep 19, 2026	11-50	9 contacts →
	Strong evidence “Language Matters is a global business which delivers a range of language services, including business language courses, cultural awareness training, translations and interpreting…” Source: RevenueBase Database · checked Sep 19, 2026
22	Business Language Training	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	7 contacts →
	Strong evidence “Business Language Training is the specialist provider of Business English and foreign language training courses for the corporate market world-wide.” Source: RevenueBase Database · checked Sep 19, 2026
23	City Lingual	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	1-10	7 contacts →
	Strong evidence “We are a boutique supplier of Business Language Training, In Company Language Clubs, and Language Courses for Individuals, providing bespoke learning solutions to busy people.” Source: RevenueBase Database · checked Sep 19, 2026
24	The Language Plan	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	6 contacts →
	Partial evidence “The Language Plan is a boutique language agency with corporate service capacity.” Source: RevenueBase Database · checked Sep 19, 2026
25	The Language Guru	Strong evidence	Hove, United KingdomHQ checked Sep 19, 2026	11-50	6 contacts →
	Strong evidence “The Language Guru is an independent language training provider for individuals and businesses.” Source: RevenueBase Database · checked Sep 19, 2026

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: customer service language training firms. 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 customer service language training firms.
Partial evidence: Its own public description names part of customer service language training firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name customer service language training firms. 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 281 customer service language training firms based in the United Kingdom

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Customer service language training firms based in the United Kingdom at a glance

As of Sep 19, 2026

20.2%Verified-email coverage

8.6Average contacts per company

1-10Median size (employees)

43.1%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

182

11-50

51-200

201-500

501-1,000

1,001-5,000

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 281 companies.

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 customer service language training 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.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “customer service language training 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 customer service language training 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 customer service language training firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
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, 486 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 19, 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.

Customer service language training firms by metro

Customer service language training firms in London121

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 customer service language training 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 customer service language training firms are there based in the United Kingdom?

RevenueBase identified 281 customer service language training firms headquartered in the United Kingdom 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?

BUSUU, headquartered in London, tops this list with the largest team on record.

Which city has the most customer service language training firms?

London leads with 121 headquartered companies, followed by Edinburgh (7) and Bristol (5).

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 486 verified decision-maker contacts tracked across these 281 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 19, 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.