Company lists · Data refreshed September 2026

Top 25 Business management consultant services based in the United Kingdom

RevenueBase identified 7,282 business management consultant services headquartered in the United Kingdom as of September 2026 and tracks 30,789 professional contacts across them, including 8,528 with verified work emails and 2,308 with mobile numbers. London is the largest hub.

This list covers business management consultant services headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 23, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 23, 2026 86% judged on-target in blind review
7,282Companies
30,789Contacts tracked
8,528Verified emails
2,308Mobile numbers
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The 25 largest business management consultant services based in the United Kingdom

Ranked by team size
Top 25 of 7,282 business management consultant services based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to business management consultant services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 23, 20261,001-5,0002,179 contacts →

Indirect evidence

“Baringa is a global consulting firm that helps leaders drive meaningful change and create value.”

Source: RevenueBase Database · checked Sep 23, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 23, 2026501-1,0001,011 contacts →

Partial evidence

“At OC & C Strategy Consultants we have more than 35 years of experience at unpicking the most complex business challenges with simple, uncommon sense™.”

Source: RevenueBase Database · checked Sep 23, 2026
3Strong evidenceLondon, United KingdomHQ checked Sep 23, 2026501-1,000344 contacts →

Strong evidence

“Q5 is a global, award-winning management consultancy focused on building healthy, high-performing organisations.”

Source: RevenueBase Database · checked Sep 23, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 23, 2026501-1,000275 contacts →

Indirect evidence

“An award-winning global consulting firm working with clients across a diverse range of markets, industries and geographies.”

Source: RevenueBase Database · checked Sep 23, 2026
5Indirect evidenceLondon, United KingdomHQ checked Sep 23, 2026201-500247 contacts →

Indirect evidence

“We’re a dynamic consulting firm, focused on delivering change.”

Source: RevenueBase Database · checked Sep 23, 2026
6Indirect evidenceLondon (uk), United KingdomHQ checked Sep 23, 202651-200142 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 23, 2026
7Indirect evidenceLondon, United KingdomHQ checked Sep 23, 20261,001-5,000139 contacts →

Indirect evidence

“We believe that change is an opportunity to thrive.”

Source: RevenueBase Database · checked Sep 23, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 23, 202611-50122 contacts →

Indirect evidence

“Athens helps clients make superior investment decisions and supports them to deliver value from these decisions through timely implementation.”

Source: RevenueBase Database · checked Sep 23, 2026
9Indirect evidenceBristol, United KingdomHQ checked Sep 23, 202651-200115 contacts →

Indirect evidence

“We are RedRock, a trusted delivery partner for digital, data and technology transformation.”

Source: RevenueBase Database · checked Sep 23, 2026
10Indirect evidenceHessle, United KingdomHQ checked Sep 23, 202611-5098 contacts →

Indirect evidence

“Agencia has been transforming organisations for over 20 years.”

Source: RevenueBase Database · checked Sep 23, 2026
11Strong evidenceBuxton, United KingdomHQ checked Sep 23, 2026n/a98 contacts →

Strong evidence

“Freelance management consultancy, support business owners and their management teams.”

Source: RevenueBase Database · checked Sep 23, 2026
12Partial evidenceLondon, United KingdomHQ checked Sep 23, 202651-20094 contacts →

Partial evidence

“Valentia Partners is a specialist Management Consulting firm.”

Source: RevenueBase Database · checked Sep 23, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 23, 202651-20085 contacts →

Indirect evidence

“Growth Hub embeds operational teams inside professional services firms.”

Source: RevenueBase Database · checked Sep 23, 2026
14Strong evidenceLondon, United KingdomHQ checked Sep 23, 202651-20076 contacts →

Strong evidence

“We’re a specialist, management consultancy, focusing on; Customer Experience, Operational Excellence and Change Delivery, dedicated to helping our clients create real, positive…”

Source: RevenueBase Database · checked Sep 23, 2026
15Strong evidenceLondon, United KingdomHQ checked Sep 23, 202651-20075 contacts →

Strong evidence

“We redefined management consulting to make it better for clients and better for consultants.”

Source: RevenueBase Database · checked Sep 23, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 23, 202651-20074 contacts →

Indirect evidence

“Whether complex transformation is required across your business or you are seeking support with a small project, we are here to help.”

Source: RevenueBase Database · checked Sep 23, 2026
17Partial evidenceBirmingham, United KingdomHQ checked Sep 23, 202651-20072 contacts →

Partial evidence

“IDEX Consulting is an innovative Business Growth Consultancy specialising in transforming lives, careers and businesses by offering a bespoke service within the Insurance…”

Source: RevenueBase Database · checked Sep 23, 2026
18Indirect evidenceSwindon, United KingdomHQ checked Sep 23, 202651-20072 contacts →

Indirect evidence

“Excalibur provides an end to end business consulting service that offers reliable insight, and expertise in communications and technology.”

Source: RevenueBase Database · checked Sep 23, 2026
19Indirect evidenceLondon, United KingdomHQ checked Sep 23, 2026201-50072 contacts →

Indirect evidence

“Punter Southall is a group of companies with one aim – helping businesses and people make better decisions.”

Source: RevenueBase Database · checked Sep 23, 2026
20Indirect evidenceBirmingham, United KingdomHQ checked Sep 23, 2026n/a71 contacts →

Indirect evidence

“Sharma & Co operates from offices in Birmingham, London and Manchester delivering practical and cost effective advice.”

Source: RevenueBase Database · checked Sep 23, 2026
21Indirect evidenceChippenham, United KingdomHQ checked Sep 23, 2026n/a70 contacts →

Indirect evidence

“Purpol Marketing.”

Source: RevenueBase Database · checked Sep 23, 2026
22Indirect evidenceCranfield, United KingdomHQ checked Sep 23, 202611-5064 contacts →

Indirect evidence

“At MPA, we exist to help business owners navigate the complex journey of scaling and exiting their businesses.”

Source: RevenueBase Database · checked Sep 23, 2026
23Partial evidenceBirmingham, United KingdomHQ checked Sep 23, 202651-20064 contacts →

Partial evidence

“Excelledia is a management consulting firm that provides insights, organizational transformation, and business strategy through people, process & technology consulting to clients…”

Source: RevenueBase Database · checked Sep 23, 2026
24Strong evidenceLondon, United KingdomHQ checked Sep 23, 202611-5059 contacts →

Strong evidence

“An award-winning management consultancy who deliver tangible and enduring results for our clients.”

Source: RevenueBase Database · checked Sep 23, 2026
25Indirect evidenceLondon, United KingdomHQ checked Sep 23, 202611-5059 contacts →

Indirect evidence

“Consult us for.”

Source: RevenueBase Database · checked Sep 23, 2026

Showing 25 of 7,282 business management consultant services based in the United Kingdom

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Business management consultant services based in the United Kingdom at a glance

As of Sep 23, 2026
27.7%Verified-email coverage
7.5%Mobile-number coverage
4.2Average contacts per company
1-10Median size (employees)
32.3%Largest-city concentration · London
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
6,339
11-50
733
51-200
119
201-500
26
501-1,000
7
1,001-5,000
10
5,001-10,000
2
10001+
3

Freshness & accuracy

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

Email last verified

Median 25.0d

Company record updated

Median 86.0d

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among business management consultant services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “business management consultant services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names business management consultant services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among business management consultant services, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 8,528 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names business management consultant services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 7,282 business management consultant services headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most business management consultant services?

London leads with 2350 headquartered companies, followed by Manchester (148) and Birmingham (95).

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 8,528 verified decision-maker contacts tracked across these 7,282 companies.

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 Smart Search, 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.