Company lists · Data refreshed September 2026

Top 24 Operations consulting firms based in the United Kingdom

Name: Operations consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 7,058 companies tracked

RevenueBase identified 7,058 company matches for operations consulting firms associated with the United Kingdom as of September 2026 and tracks 70,658 professional contacts across them, including 26,866 with verified work emails and 6,774 with mobile numbers. London is the largest hub.

This list covers company matches for operations consulting firms 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 5, 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 5, 2026 How this list was built

7,058Companies

70,658Contacts tracked

26,866Verified emails

6,774Mobile numbers

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The 24 largest operations consulting firms based in the United Kingdom

Ranked by team size

Top 24 of 7,058 company matches for operations consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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 5, 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 5, 2026 · View company records in RevenueBase
2	Unipart	Exact match	Oxford, United KingdomHQ recorded Sep 5, 2026	10001+	3,205 contacts →
	Exact match “Unipart is a supply chain performance improvement partner, delivering efficiency, resilience, and sustainability across multiple sectors.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3	Baringa	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
4	Efficio	Exact match	London, United KingdomHQ recorded Sep 5, 2026	1,001-5,000	1,304 contacts →
	Exact match “Efficio is a global leader in procurement and supply chain management and transformation.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5	Oc&c Strategy Consultants	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
6	Emergn	Exact match	London, United KingdomHQ recorded Sep 5, 2026	501-1,000	351 contacts →
	Exact match “Emergn is a global technology and management consultancy built on a simple conviction: the only sustainable competitive advantage is the way you work.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7	Q5	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
8	Davies	Exact match	London, United KingdomHQ recorded Sep 5, 2026	5,001-10,000	329 contacts →
	Exact match “We are the global consulting division of Davies, accelerating business, technology and people performance across financial services including Retail Finance & Corporate Banking…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9	Cartesian	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	302 contacts →
	Exact match “Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10	Elixirr	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
11	Transform	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	255 contacts →
	Exact match “Transform is a fresh alternative to Big Consulting.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13	Percipere	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	245 contacts →
	Exact match “Percipere is a niche global consultancy, partnering companies in their evolution towards greater operational efficiency and profitability.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14	Albany Beck	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
15	Quantzig	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	216 contacts →
	Exact match “Quantzig is at the forefront of partnering with businesses to help them unlock transformative value through analytics solutions.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16	Retail Reply	Exact match	London, United KingdomHQ recorded Sep 5, 2026	51-200	214 contacts →
	Exact match “Retail Reply helps clients accelerate their response to the opportunities of digital transformation in the retail and consumer sector.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17	Clarify	Exact match	Theale, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
18	Rudolph & Hellmann	Exact match	Lichfield, United KingdomHQ recorded Sep 5, 2026	1,001-5,000	191 contacts →
	Exact match “We work discretely with organisations in any sector who need help trouble shooting or optimising their supply chain, production logistics or operational infrastructure.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19	True North Partners	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
20	Azurian	Exact match	London, United KingdomHQ recorded Sep 5, 2026	201-500	178 contacts →
	Exact match “The future has never moved this fast.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21	Clarasys	Exact match	London, United KingdomHQ recorded Sep 5, 2026	51-200	170 contacts →
	Exact match “We are an employee-owned, award-winning international consulting firm that believes there’s a better way to do consultancy.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22	BIP UK	Exact match	London, United KingdomHQ recorded Sep 5, 2026	5,001-10,000	167 contacts →
	Exact match “BIP is the international consultancy for the 21st century with over 6,500 consultants globally daring to make a difference.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23	TXM Consult	Exact match	Milton Keynes, United KingdomHQ recorded Sep 5, 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 5, 2026 · View company records in RevenueBase
24	CVL	Exact match	London, United KingdomHQ recorded Sep 5, 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 5, 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 “operations consulting firms”. 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 24 of 7,058 operations consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 26,866 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operations consulting firms based in the United Kingdom at a glance

As of Sep 5, 2026

38.0%Verified-email coverage

9.6%Mobile-number coverage

10.0Average contacts per company

1-10Median size (employees)

37.6%Largest-city concentration · London

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

5,748

11-50

921

51-200

255

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

24,8630–30

1,76431–60

2361–90

2990–180

187180+

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 “operations consulting firms” 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 26,866 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 5, 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.

Operations consulting firms 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 “operations consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operations consulting firms are there based in the United Kingdom?

RevenueBase identified 7,058 company matches for operations consulting firms 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 operations consulting firms?

London leads with 2651 company records, followed by Manchester (153) and Glasgow (86).

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 26,866 professional contacts with verified work emails tracked across these 7,058 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 5, 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.