Company lists · Data refreshed September 2026

Top 25 Boutique management consultants based in the United Kingdom

Name: Boutique management consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,577 companies tracked

RevenueBase identified 8,577 company matches for boutique management consultants associated with the United Kingdom as of September 2026 and tracks 62,270 professional contacts across them, including 21,690 with verified work emails and 6,314 with mobile numbers. London is the largest hub.

This list covers company matches for boutique management consultants 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

8,577Companies

62,270Contacts tracked

21,690Verified emails

6,314Mobile numbers

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The 25 largest boutique management consultants based in the United Kingdom

Ranked by team size

Top 25 of 8,577 company matches for boutique management consultants 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ey-Parthenon	Exact match	London, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2	Baringa	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,179 contacts →
	Exact match “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Oc&c Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,011 contacts →
	Exact match “At OC & C Strategy Consultants we have more than 35 years of experience at unpicking the most complex business challenges with simple, uncommon sense™.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Strategy Insights	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	528 contacts →
	Exact match “Strategy Insights is a specialist business and economic development consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Q5	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	344 contacts →
	Exact match “Q5 is a global, award-winning management consultancy focused on building healthy, high-performing organisations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Quantuma	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	277 contacts →
	Exact match “Quantuma is a leading business advisory firm which works with businesses at the key milestones.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Elixirr	Exact match	London, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
8	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Albany Beck	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	240 contacts →
	Exact match “Albany Beck is a client-first consulting firm helping financial services organisations deliver complex change and build capability, not dependency.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	OIM	Exact match	Bath, United KingdomHQ recorded Sep 28, 2026	n/a	198 contacts →
	Exact match “OIM is dedicated to building competitive organisations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Clarify	Exact match	Theale, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
12	True North Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	185 contacts →
	Exact match “True North Partners LLP is an independent consulting firm based in London, Johannesburg, Frankfurt, Amsterdam and Madrid.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	TXM Consult	Exact match	Milton Keynes, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
14	CVL	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	165 contacts →
	Exact match “Strategic development for already dynamic businesses, successful mergers & acquisitions between household names, technology planning in cutting edge industries and real-world…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	The Berkeley Partnership	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	152 contacts →
	Exact match “Founded in 1990, The Berkeley Partnership is an independent management consultancy, specialising in business transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Sysdoc	Exact match	London (uk), United KingdomHQ recorded Sep 28, 2026	51-200	142 contacts →
	Exact match “At Sysdoc we exist to help our clients to transform, adapt and operate in order for them to achieve their ambitions, and to provide our own people with opportunities that allow…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	ORG	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	139 contacts →
	Exact match “We believe that change is an opportunity to thrive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Liqueo	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	123 contacts →
	Exact match “Specialists in change and transformation across asset, wealth and insurance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Athens	Exact match	London, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
20	Oaklin	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	115 contacts →
	Exact match “Oaklin is an independent management consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Redrock Consulting	Exact match	Bristol, United KingdomHQ recorded Sep 28, 2026	51-200	115 contacts →
	Exact match “We are RedRock, a trusted delivery partner for digital, data and technology transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Agencia	Exact match	Hessle, United KingdomHQ recorded Sep 28, 2026	11-50	98 contacts →
	Exact match “Agencia has been transforming organisations for over 20 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	PHMC	Exact match	Buxton, United KingdomHQ recorded Sep 28, 2026	n/a	98 contacts →
	Exact match “Freelance management consultancy, support business owners and their management teams.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	K3 Capital Group	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	501-1,000	97 contacts →
	Exact match “K3 Capital Group is a professional services firm providing advisory services to SMEs throughout the UK and overseas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Valentia Partners	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	94 contacts →
	Exact match “Valentia Partners is a specialist Management Consulting firm.” Recorded in the RevenueBase company graph · Sep 28, 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 “boutique management consultants”. 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 8,577 boutique management consultants based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 21,690 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Boutique management consultants based in the United Kingdom at a glance

As of Sep 28, 2026

34.8%Verified-email coverage

10.1%Mobile-number coverage

7.3Average contacts per company

1-10Median size (employees)

38.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

7,274

11-50

1,012

51-200

182

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 31.0d

11,7260–30

10,73431–60

67761–90

3590–180

133180+

Company record updated

Median 79.0d

00–30

13,05731–60

25,81861–90

23,79290–180

3,649180+

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 “boutique management consultants” 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 21,690 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.

Boutique management consultants 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 “boutique management consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many boutique management consultants are there based in the United Kingdom?

RevenueBase identified 8,577 company matches for boutique management consultants 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 boutique management consultants?

London leads with 3305 company records, followed by Manchester (185) and Glasgow (105).

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 21,690 professional contacts with verified work emails tracked across these 8,577 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.