Company lists · Data refreshed September 2026

Top 25 Business strategy consultancies based in the United Kingdom

Name: Business strategy consultancies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 5,791 companies tracked

RevenueBase identified 5,791 company matches for business strategy consultancies associated with the United Kingdom as of September 2026 and tracks 39,370 professional contacts across them, including 13,493 with verified work emails and 4,217 with mobile numbers. London is the largest hub.

This list covers company matches for business strategy consultancies 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 23, 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 23, 2026 How this list was built

5,791Companies

39,370Contacts tracked

13,493Verified emails

4,217Mobile numbers

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The 25 largest business strategy consultancies based in the United Kingdom

Ranked by team size

Top 25 of 5,791 company matches for business strategy consultancies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ey-Parthenon	Exact match	London, United KingdomHQ recorded Sep 23, 2026	10001+	17,070 contacts →
	Exact match “Our unique combination of transformative strategy, transactions and corporate finance delivers real-world value – solutions that work in practice, not just on paper.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	CIL Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	284 contacts →
	Exact match “CIL is a global growth strategy consultancy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Elixirr	Exact match	London, United KingdomHQ recorded Sep 23, 2026	501-1,000	275 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 23, 2026 · View company records in RevenueBase
4	OIM	Exact match	Bath, United KingdomHQ recorded Sep 23, 2026	n/a	198 contacts →
	Exact match “OIM is dedicated to building competitive organisations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Clarify	Exact match	Theale, United KingdomHQ recorded Sep 23, 2026	51-200	191 contacts →
	Exact match “Clarify helps global Technology companies achieve sustained and significant commercial success.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	TXM Consult	Exact match	Milton Keynes, United KingdomHQ recorded Sep 23, 2026	51-200	166 contacts →
	Exact match “In an uncertain, complex, and ambiguous world, business change is essential and inevitable.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Athens	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	122 contacts →
	Exact match “Athens helps clients make superior investment decisions and supports them to deliver value from these decisions through timely implementation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	PHMC	Exact match	Buxton, United KingdomHQ recorded Sep 23, 2026	n/a	98 contacts →
	Exact match “Freelance management consultancy, support business owners and their management teams.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Definition	Exact match	West End, United KingdomHQ recorded Sep 23, 2026	51-200	97 contacts →
	Exact match “We’re specialists, not generalists We built our business by bringing together different specialists – strategists, creatives, makers, technologists and more.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Valentia Partners	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	94 contacts →
	Exact match “Valentia Partners is a specialist Management Consulting firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	BDO Northern Ireland	Exact match	Belfast, United KingdomHQ recorded Sep 23, 2026	51-200	93 contacts →
	Exact match “BDO NI specialises in helping businesses, whether start-ups or multinationals, to grow.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	April SIX	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	90 contacts →
	Exact match “April Six is now Marketbridge.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Heavenly	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	85 contacts →
	Exact match “Heavenly is a global, independent creative consultancy, founded in 2003.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Elevate	Exact match	Bristol, United KingdomHQ recorded Sep 23, 2026	51-200	83 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 23, 2026 · View company records in RevenueBase
15	Plural Strategy	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	78 contacts →
	Exact match “Plural Strategy is a strategy consultancy for the media, information and technology industries.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Eden Mccallum	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	75 contacts →
	Exact match “We redefined management consulting to make it better for clients and better for consultants.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Change Management Group	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	74 contacts →
	Exact match “Whether complex transformation is required across your business or you are seeking support with a small project, we are here to help.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Purpol Marketing Limited	Exact match	Chippenham, United KingdomHQ recorded Sep 23, 2026	n/a	70 contacts →
	Exact match “Purpol Marketing.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Curzon Consulting	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	59 contacts →
	Exact match “An award-winning management consultancy who deliver tangible and enduring results for our clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Xlr8	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	59 contacts →
	Exact match “Consult us for.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Collinson Grant	Exact match	Manchester, United KingdomHQ recorded Sep 23, 2026	51-200	50 contacts →
	Exact match “Collinson Grant helps clients throughout the world to improve efficiency and profitability.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Pearson HAM Group The Pricing Specialists	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	49 contacts →
	Exact match “Pricing Specialists \| B2B \| B2C \| Pricing Reviews \| Pricing Strategy \| Commercial Models \| Product Bundling \| Price & Promotion Optimisation \| Price Change Delivery \| Pricing…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Designhouse	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	49 contacts →
	Exact match “Designhouse is where strategy takes shape.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	PDS	Exact match	Wellingborough, United KingdomHQ recorded Sep 23, 2026	51-200	48 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 23, 2026 · View company records in RevenueBase
25	The Value Engineers	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	46 contacts →
	Exact match “We help the best brands in the world get even better.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “business strategy consultancies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 5,791 business strategy consultancies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 13,493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business strategy consultancies based in the United Kingdom at a glance

As of Sep 23, 2026

34.3%Verified-email coverage

10.7%Mobile-number coverage

6.8Average contacts per company

1-10Median size (employees)

36.1%Largest-city concentration · London

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

5,075

11-50

567

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

9,8270–30

3,34331–60

18761–90

2990–180

107180+

Company record updated

Median 72.0d

00–30

10,17031–60

17,55461–90

9,82790–180

1,819180+

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 “business strategy consultancies” 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 13,493 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 23, 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.

Business strategy consultancies by metro

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 “business strategy consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business strategy consultancies are there based in the United Kingdom?

RevenueBase identified 5,791 company matches for business strategy consultancies 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?

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

Which city has the most business strategy consultancies?

London leads with 2092 company records, followed by Manchester (126) and Glasgow (67).

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 13,493 professional contacts with verified work emails tracked across these 5,791 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 23, 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.