Company lists · Data verified August 2026

Top 25 Business strategy consulting firms based in the United Kingdom

Name: Business strategy 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 5,335 companies tracked

There are 5,335 business strategy consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 22,265 professional contacts across them, including 5,017 with verified work emails and 1,615 with mobile numbers. London is the largest hub.

This list covers business strategy 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.

5,335Companies

22,265Contacts tracked

5,017Verified emails

1,615Mobile numbers

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The 25 largest business strategy consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 5,335 business strategy 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	Strategy Insights	London	51-200	523	210
2	Phronesis Partners	London	201-500	331	157
3	Bellwether	London	51-200	304	173
4	H&z Management Consulting	London	501-1,000	287	153
5	Elixirr	London	501-1,000	271	193
6	PMP Strategy	London	51-200	215	115
7	Horwath HTL	London	201-500	200	78
8	Valentia Partners	London	51-200	93	78
9	BDO Northern Ireland	Belfast	51-200	92	72
10	Lynxeye	London	51-200	88	65
11	Change Management Group	London	51-200	74	53
12	Punter Southall	London	201-500	73	12
13	Revere Agency	London	51-200	57	40
14	PDS	Wellingborough	51-200	48	42
15	POE Advisory	London	51-200	46	1
16	Mckinney Rogers	Worldwide	51-200	40	4
17	Javelin Group	London	201-500	39	2
18	Nowhere Group LTD	London	51-200	30	23
19	Estin & CO	London	51-200	26	12
20	VISFO	Brighouse	51-200	21	14
21	Revilo Group	Rochdale	51-200	20	7
22	WGA Advisors, INC	Kensington	1,001-5,000	18	15
23	Continuous	Liverpool	51-200	16	8
24	Intellia	London	51-200	12	1
25	WHYTE	Southam	51-200	10	5

Showing 25 of 5,335 business strategy consulting firms based in the United Kingdom

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Business strategy consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 2015 HQs

1,615Contacts with mobile numbers

25Emails re-verified in last 30 days

Companies by employee count

1-10

4,508

11-50

548

51-200

201-500

501-1,000

1,001-5,000

10001+

Business strategy consulting firms by metro

Metro	Companies
Business strategy consulting firms in London	2015
Business strategy consulting firms in Manchester	122
Business strategy consulting firms in Edinburgh	65
Business strategy consulting firms in Birmingham	60
Business strategy consulting firms in Glasgow	57
Business strategy consulting firms in Bristol	54
Business strategy consulting firms in Cambridge	49

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 “business strategy 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; 25 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 business strategy consulting firms are there based in the United Kingdom?

There are 5,335 business strategy consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most business strategy consulting firms?

London leads with 2015 headquartered companies, followed by Manchester (122) and Edinburgh (65).

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 5,017 verified decision-maker contacts tracked across these 5,335 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.