Company lists · Data refreshed November 2026

Top 17 Operational consulting services based in the United Kingdom

RevenueBase identified 7,480 company matches for operational consulting services associated with the United Kingdom as of November 2026 and tracks 41,325 professional contacts across them, including 11,499 with verified work emails. London is the largest hub.

This list covers company matches for operational consulting 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 November 6, 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 Nov 6, 2026 How this list was built
7,480Companies
41,325Contacts tracked
11,499Verified emails
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The 17 largest operational consulting services based in the United Kingdom

Ranked by team size
Top 17 of 7,480 company matches for operational consulting services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDatchet, United KingdomHQ recorded Nov 6, 2026501-1,000572 contacts →

Exact match

“Your world is changing at lightning speed; new business models, new technologies, new competitors, and new customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200408 contacts →

Exact match

“We make change happen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000366 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000308 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500253 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBath, United KingdomHQ recorded Nov 6, 2026n/a227 contacts →

Exact match

“OIM is dedicated to building competitive organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTheale, United KingdomHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“Clarify helps global Technology companies achieve sustained and significant commercial success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200167 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“Founded in 1990, The Berkeley Partnership is an independent management consultancy, specialising in business transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200141 contacts →

Exact match

“Squarcle is a procurement, supply chain and digital specialist which sits at the centre of transformation, with a skillset which has proven relevance in any market characterised…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,000136 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“WHO WE ARE Glue Reply is a business consultancy that strives to help its clients achieve their future potential by developing solutions that often for the first time align IT…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCopenhagen K, United KingdomHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Prokura, a Kearney company, is an entrepreneurial consulting company specializing in Procurement and Supply Chain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200129 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-50123 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Oaklin is an independent management consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200118 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 17 of 7,480 operational consulting services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 11,499 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operational consulting services based in the United Kingdom at a glance

As of Nov 6, 2026
27.8%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
31.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
6,100
11-50
937
51-200
197
201-500
19
501-1,000
10
1,001-5,000
8
5,001-10,000
1
10001+
4

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 7,480 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 the United Kingdom whose business descriptions match “operational consulting 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 11,499 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 November 6, 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.

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

How many operational consulting services are there based in the United Kingdom?

RevenueBase identified 7,480 company matches for operational consulting services associated with the United Kingdom as of November 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?

Arvatoconnect tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most operational consulting services?

London leads with 2382 company records, followed by Manchester (188) and Birmingham (102).

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 11,499 professional contacts with verified work emails tracked across these 7,480 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 November 6, 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.