Company lists · Data refreshed September 2026

Top 25 Customer expansion consulting firms based in the United Kingdom

RevenueBase identified 2,471 company matches for customer expansion consulting firms associated with the United Kingdom as of September 2026 and tracks 14,093 professional contacts across them, including 3,694 with verified work emails. London is the largest hub.

This list covers company matches for customer expansion 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
2,471Companies
14,093Contacts tracked
3,694Verified emails
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The 25 largest customer expansion consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 2,471 company matches for customer expansion 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000275 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
2Exact matchTheale, United KingdomHQ recorded Sep 28, 202651-200191 contacts →

Exact match

“Clarify helps global Technology companies achieve sustained and significant commercial success.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200181 contacts →

Exact match

“Journey Further is more than our name; it’s what we do.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchDoxford International Business Park, United KingdomHQ recorded Sep 28, 20261,001-5,000114 contacts →

Exact match

“EC Outsourcing is one of the UK's leading outsourced contact centres.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200104 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
6Exact matchBelfast, United KingdomHQ recorded Sep 28, 202651-20093 contacts →

Exact match

“BDO NI specialises in helping businesses, whether start-ups or multinationals, to grow.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20089 contacts →

Exact match

“MomentumABM is a growth consultancy that enables global organizations to achieve market-beating performance by winning, growing, and retaining their most valuable client…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchRichmond, United KingdomHQ recorded Sep 28, 202651-20084 contacts →

Exact match

“Engage Your Customers; a world leader analytical and customer centric technology company with powerful consulting services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchBristol, United KingdomHQ recorded Sep 28, 202651-20083 contacts →

Exact match

“At ELEVATE, we execute complex B2B go-to-market strategies with precision at every revenue-critical juncture, managing leads, building executive access, winning deals, expanding…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20073 contacts →

Exact match

“Erevena is the global executive search advisor to the world's most ambitious tech companies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchBirmingham, United KingdomHQ recorded Sep 28, 202651-20072 contacts →

Exact match

“IDEX Consulting is an innovative Business Growth Consultancy specialising in transforming lives, careers and businesses by offering a bespoke service within the Insurance…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSwindon, United KingdomHQ recorded Sep 28, 202651-20072 contacts →

Exact match

“Excalibur provides an end to end business consulting service that offers reliable insight, and expertise in communications and technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20066 contacts →

Exact match

“Tecsa is a specialist retail loyalty and analytics consultancy founded and led by former retail executives who built and ran major loyalty programmes, including Nectar, Holland &…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20066 contacts →

Exact match

“We are a network of independent consultants who are ex-C-Suite Execs/Senior Managers who have all been there and done it in top organisations, mainly in insurance but others as…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5059 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
16Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5059 contacts →

Exact match

“Consult us for.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20056 contacts →

Exact match

“Revere is now Marketbridge.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5049 contacts →

Exact match

“Since we’ve helped ambitious leaders and organisations create true customer-led success.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchWellingborough, United KingdomHQ recorded Sep 28, 202651-20048 contacts →

Exact match

“PDS works with ambitious brands that want to disrupt their industries through growth, innovation and employee engagement.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchWaterloo, United KingdomHQ recorded Sep 28, 202611-5048 contacts →

Exact match

“We are eg.1 Global, your leading growth advisory and executive search firm specialising in the professional services industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20048 contacts →

Exact match

“At Pracedo, we're not just Salesforce Consultants.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchPetts Wood, United KingdomHQ recorded Sep 28, 202611-5048 contacts →

Exact match

“Business Advantage is a B2B research, business development and marketing consulting practice operating in the global IT, Digital and Telecommunications sectors.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSouthampton, United KingdomHQ recorded Sep 28, 202651-20044 contacts →

Exact match

“Etch helps revitalise established businesses struggling with challenges such as loss of market leadership, slowing customer growth, declining profitability, inefficient processes…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5042 contacts →

Exact match

“ZAG is an independent creative growth consultancy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchCheltenham, United KingdomHQ recorded Sep 28, 202611-5041 contacts →

Exact match

“Business Development at flb.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 2,471 customer expansion consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,694 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 28, 2026
26.2%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
40.8%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
2,060
11-50
324
51-200
61
201-500
10
501-1,000
3
1,001-5,000
5
10001+
1

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 2,471 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 “customer expansion 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 3,694 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.

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

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

RevenueBase identified 2,471 company matches for customer expansion 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?

Elixirr tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most customer expansion consulting firms?

London leads with 1008 company records, followed by Manchester (56) and Edinburgh (33).

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 3,694 professional contacts with verified work emails tracked across these 2,471 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.