Company lists · Data refreshed September 2026

Top 25 Business consultancy and management services based in the United Kingdom

Name: Business consultancy and management services 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 10,199 companies tracked

RevenueBase identified 10,199 company matches for business consultancy and management services associated with the United Kingdom as of September 2026 and tracks 64,402 professional contacts across them, including 21,765 with verified work emails and 6,008 with mobile numbers. London is the largest hub.

This list covers company matches for business consultancy and management services 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

10,199Companies

64,402Contacts tracked

21,765Verified emails

6,008Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest business consultancy and management services based in the United Kingdom

Ranked by team size

Top 25 of 10,199 company matches for business consultancy and management services 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	Baringa	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
3	Oc&c Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
4	Strategy Insights	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	528 contacts →
	Exact match “Strategy Insights is a specialist business and economic development consultancy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Q5	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
6	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
7	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 23, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	EST	Exact match	Groesfaen, United KingdomHQ recorded Sep 23, 2026	n/a	244 contacts →
	Exact match “EST are a multi service professional practice offering HR Consultancy, Accountancy & Tax advice and Commercial Finance.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Albany Beck	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
10	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
11	Sedulo	Exact match	Manchester, United KingdomHQ recorded Sep 23, 2026	201-500	194 contacts →
	Exact match “One of the fastest growing UK mid-tier business advisory firms, for good reason.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	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
13	EQ Accountants, Part Of The Sumer Group	Exact match	Dundee, United KingdomHQ recorded Sep 23, 2026	201-500	167 contacts →
	Exact match “In 2023, EQ Accountants became part of Sumer – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	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
15	The Berkeley Partnership	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
16	Sysdoc	Exact match	London (uk), United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
17	Burgess Hodgson	Exact match	Canterbury, United KingdomHQ recorded Sep 23, 2026	51-200	140 contacts →
	Exact match “Burgess Hodgson are a Kent based accountancy firm with the skills and expertise to rival any other accountancy firm in the UK.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	ORG	Exact match	London, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
19	Veran Performance	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	134 contacts →
	Exact match “Winners of the UKOUG Business Transformation Advisory Partner of the Year Award 2025 Veran Performance is an advisory consultancy specialising in HR, Payroll, Procurement and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	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
21	Oaklin	Exact match	London, United KingdomHQ recorded Sep 23, 2026	51-200	115 contacts →
	Exact match “Oaklin is an independent management consultancy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Redrock Consulting	Exact match	Bristol, United KingdomHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
23	The JPP Group	Exact match	Northampton, United KingdomHQ recorded Sep 23, 2026	51-200	99 contacts →
	Exact match “Established in 1973, JPP has steadily grown to become a consultancy that offers a broad range of services to a diverse client base.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Agencia	Exact match	Hessle, United KingdomHQ recorded Sep 23, 2026	11-50	98 contacts →
	Exact match “Agencia has been transforming organisations for over 20 years.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	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

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 consultancy and management services”. 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 10,199 business consultancy and management services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 21,765 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business consultancy and management services based in the United Kingdom at a glance

As of Sep 23, 2026

33.8%Verified-email coverage

9.3%Mobile-number coverage

6.3Average contacts per company

1-10Median size (employees)

33.6%Largest-city concentration · London

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

8,711

11-50

1,162

51-200

206

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 25.0d

16,1300–30

5,13331–60

33561–90

3790–180

130180+

Company record updated

Median 75.0d

00–30

14,13631–60

30,52061–90

16,47790–180

3,269180+

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 consultancy and management services” 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 21,765 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 consultancy and management services 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 consultancy and management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business consultancy and management services are there based in the United Kingdom?

RevenueBase identified 10,199 company matches for business consultancy and management services 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 consultancy and management services?

London leads with 3431 company records, followed by Manchester (231) and Glasgow (131).

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 21,765 professional contacts with verified work emails tracked across these 10,199 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.

Ready to reach these companies? Verified emails and direct dials for all 10,199 business consultancy and management services based in the United Kingdom. Start with a free account, no credit card.

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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.