Company lists · Data verified August 2026

Top 25 Customer retention consulting firms based in the United Kingdom

There are 208 customer retention consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,164 professional contacts across them, including 542 with verified work emails and 172 with mobile numbers. London is the largest hub.

This list covers customer retention consulting 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. Data current as of August 28, 2026.

208Companies
2,164Contacts tracked
542Verified emails
172Mobile numbers
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The 25 largest customer retention consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 208 customer retention consulting firms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1TLC WorldwideLondon201-500986197
2Ethos FarmNew York1,001-5,00026481
3LTK Consultants LTDPark51-200631
4Engage HUBLondon51-2004834
5The FoundationLondon11-504715
6In2action LTDCowes11-503617
7Market Intelligence InternationalLondon51-200359
8Kpmg NunwoodLeeds51-200345
9AcrotrendLondon51-200271
10Loop HorizonLondon11-502216
11CGA ExperienceShere11-50178
12BlumilkNewcastle Upon Tyne11-50178
13EquantiisLondon11-501511
14RealserviceOxford11-50145
15Beyond Philosophy LLCLondon11-50143
16The Customer Closeness CompanyGerrards Cross11-501212
17Lexden CX Customer Experience Consultantsn/a11-50106
18Voxal ConsultingLondon11-5095
19Customer PlusDuffield11-5086
20Customer Strategy NetworkNorthampton11-5081
21NeucurrentCambridge11-5074
22Customer Service Solutions GroupHeadquarters1-1063
23Strat7 RainmakersLondon11-5053
24Customer StartCardiff11-5053
25Stargage LimitedTring11-5032

Showing 25 of 208 customer retention consulting firms based in the United Kingdom

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Customer retention consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026
1-10Median size (employees)
LondonLargest hub · 81 HQs
172Contacts with mobile numbers
1Emails re-verified in last 30 days

Companies by employee count

1-10
164
11-50
33
51-200
7
201-500
1
501-1,000
1
1,001-5,000
1

Customer retention consulting firms by metro

MetroCompanies
Customer retention consulting firms in London81
Customer retention consulting firms in Manchester4
Customer retention consulting firms in Leeds4
Customer retention consulting firms in Oxford4
Customer retention consulting firms in Cambridge3
Customer retention consulting firms in Guildford3
Customer retention consulting firms in Reading3

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “customer retention consulting firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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
Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 208 customer retention consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most customer retention consulting firms?

London leads with 81 headquartered companies, followed by Manchester (4) and Leeds (4).

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 542 verified decision-maker contacts tracked across these 208 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.