Company lists · Data verified August 2026

Top 25 Gtm consulting firms based in the United Kingdom

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 396 companies tracked

There are 396 gtm consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 10,608 professional contacts across them, including 4,074 with verified work emails and 3,049 with mobile numbers. London is the largest hub.

This list covers gtm 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.

396Companies

10,608Contacts tracked

4,074Verified emails

3,049Mobile numbers

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The 25 largest gtm consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 396 gtm 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Protiviti	Leeds	5,001-10,000	8,869	3,626
2	PMP Strategy	London	51-200	215	115
3	April SIX	London	51-200	89	19
4	Xlr8	London	11-50	59	3
5	Scalerr	London	11-50	56	5
6	Scalewise	London	51-200	35	7
7	Ascendo	London	11-50	28	11
8	Coppett Hill Growth Advisory	London	11-50	21	12
9	Resonance	Manchester	11-50	19	13
10	QSL	London	11-50	18	5
11	European Gateway Consulting Group	London	11-50	18	1
12	Nectar Group	Leamington Spa	11-50	17	5
13	Techtonic Partners	London	11-50	15	12
14	Bridgeify LTD	Birmingham	11-50	15	1
15	The Realization Group	London	11-50	14	9
16	Mosaic Financial Markets	London	11-50	14	6
17	Reviva Deorganising Crime	New York	11-50	13	4
18	HEYOO	London	11-50	12	6
19	Digital Clarity	Guildford	11-50	12	4
20	QTT	n/a	11-50	11	1
21	Inspir EM	London	11-50	8	4
22	Radial Path	Newcastle Upon Tyne	11-50	8	3
23	Charles Alan Consulting LTD	London	11-50	8	1
24	Branch Growth	Bath	11-50	7	4
25	Plexus Communications LTD	Milton Keynes	11-50	6	5

Showing 25 of 396 gtm consulting firms based in the United Kingdom

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Gtm consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 183 HQs

3,049Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

316

11-50

51-200

201-500

1,001-5,000

5,001-10,000

10001+

Gtm consulting firms by metro

Metro	Companies
Gtm consulting firms in London	183
Gtm consulting firms in Manchester	9
Gtm consulting firms in Birmingham	6
Gtm consulting firms in Reading	5
Gtm consulting firms in Oxford	4
Gtm consulting firms in Leamington Spa	3
Gtm consulting firms in Belfast	3

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 “gtm 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; 20 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 gtm consulting firms are there based in the United Kingdom?

There are 396 gtm consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Protiviti, headquartered in Leeds, tops this list with the largest team on record.

Which city has the most gtm consulting firms?

London leads with 183 headquartered companies, followed by Manchester (9) and Birmingham (6).

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 4,074 verified decision-maker contacts tracked across these 396 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.