Company lists · Data refreshed September 2026

Top 25 Business strategy consultancies based in London, United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 2,092 companies tracked

RevenueBase identified 2,092 company matches for business strategy consultancies associated with London, United Kingdom as of September 2026 and tracks 25,101 professional contacts across them, including 10,820 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for business strategy consultancies associated with London, 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

2,092Companies

25,101Contacts tracked

10,820Verified emails

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The 25 largest business strategy consultancies based in London, United Kingdom

Ranked by team size

Top 25 of 2,092 company matches for business strategy consultancies based in London, 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	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	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
15	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
16	MAN Bites DOG	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	45 contacts →
	Exact match “Man Bites Dog is the Growth Department for Intelligent Brands.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Pmsi Strategy	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	45 contacts →
	Exact match “PMSI is a management consulting firm specialising in commercial due diligence, market intelligence and strategy consulting.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	EOS Deal Advisory	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	42 contacts →
	Exact match “At EOS Deal Advisory, our focus is to provide our clients with targeted advice that focusses on driving future value, leverages evolving technologies, and ensures operational…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Kindleworth LLP	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	40 contacts →
	Exact match “Kindleworth has launched and managed some of the boldest and most successful new law firms of the last decade, in the UK and across the globe.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Future Factory	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	40 contacts →
	Exact match “We’re Future Factory and we’re pretty damn proud to be one of the UK’s leading business development consultancies.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Evoke Management	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	35 contacts →
	Exact match “Evoke provides expert leadership and management support on issues vital to business success and growth.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Cognosis	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	33 contacts →
	Exact match “We help businesses and brands build strategies that ignite and sustain growth.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Bradley & CO	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	33 contacts →
	Exact match “Bradley & Co are fully indemnified business & HR strategy experts, supplying businesses with the services they need to run smoothly.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Global Business Research GBR	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	32 contacts →
	Exact match “GBR is a full-service international B2B research and business advisory firm headquartered in London.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	3h Partners	Exact match	London, United KingdomHQ recorded Sep 23, 2026	11-50	32 contacts →
	Exact match “3H Partners was founded in 2005, when consulting professionals and professors at leading European Universities and Business Schools joined forces to create a new kind of…” 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 2,092 business strategy consultancies based in London, United Kingdom

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Business strategy consultancies based in London, United Kingdom at a glance

As of Sep 23, 2026

43.1%Verified-email coverage

12.0Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

1,732

11-50

289

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 2,092 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 London, 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 10,820 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 in the United Kingdom

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 London, United Kingdom?

RevenueBase identified 2,092 company matches for business strategy consultancies associated with London, 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 in the United Kingdom has the most business strategy consultancies?

London leads the United Kingdom with 2,092 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 10,820 professional contacts with verified work emails tracked across these 2,092 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.