Company lists · Data refreshed September 2026

Top 23 Diversity consulting firms based in London, United Kingdom

RevenueBase identified 901 company matches for diversity consulting firms associated with London, United Kingdom as of September 2026 and tracks 20,389 professional contacts across them, including 8,417 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for diversity consulting firms associated with London, 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 21, 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 21, 2026 How this list was built
901Companies
20,389Contacts tracked
8,417Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 23 largest diversity consulting firms based in London, United Kingdom

Ranked by team size
Top 23 of 901 company matches for diversity consulting firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchLondon, United KingdomHQ recorded Sep 21, 20261,001-5,0004,583 contacts →

Exact match

“We’re FDM, an award-winning global business and technology consultancy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 21, 20261,001-5,0002,179 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 21, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 21, 2026501-1,0001,011 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 21, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 21, 2026201-500250 contacts →

Exact match

“Elevate Talent supports ambitious companies in optimizing organizational performance and sourcing exceptional leaders from across sports, entertainment, media, lifestyle…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 21, 2026201-500227 contacts →

Exact match

“YSC Consulting, now part of Accenture, is a leadership strategy consultancy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-200187 contacts →

Exact match

“Green Park is a specialist executive search and advisory firm trusted by organisations seeking stronger, more future-ready leadership.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 21, 2026n/a186 contacts →

Exact match

“SHM is a small consulting firm based in London.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-200148 contacts →

Exact match

“We are Recruitment and Talent Solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 21, 20261,001-5,000139 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20096 contacts →

Exact match

“Oxygen + Synergy = OXYGY: a new breed of consulting company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5096 contacts →

Exact match

“Rare is a multi-award-winning diversity company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20075 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20073 contacts →

Exact match

“Erevena is the global executive search advisor to the world's most ambitious tech companies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5071 contacts →

Exact match

“Calibre One works with the builders of great companies– from iconic giants to VC and PE backed market pioneers – helping them to create diverse and high-performing leadership…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 21, 2026201-50052 contacts →

Exact match

“We partner with great clients to unleash untapped potential within organisations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20050 contacts →

Exact match

“Primis is a provider of talent solutions to the technology sector across the UK and US.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20048 contacts →

Exact match

“Bioss is a global network of organisation and people development consultancies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5046 contacts →

Exact match

“We are a premier Executive Coaching firm dedicated to developing individuals, teams, and organizations worldwide.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5046 contacts →

Exact match

“Arrival is a management consultancy, expert at delivering transformation in individual, collective and organisational behaviours.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5045 contacts →

Exact match

“Executive Search, but not as you know it We don't just fill roles, we create lasting leadership partnerships, combining deep sector expertise, a data-driven process and the latest…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5036 contacts →

Exact match

“Totum is unparalleled at matching the best business services talent with professional services firms across the UK, USA and globally.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5032 contacts →

Exact match

“The way people behave at work is never just a people issue.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“Contracts IT is underpinned by conscious leadership, it nurtures a strong diversity ethic championing inclusive best practice in the world of technology recruitment.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 23 of 901 diversity consulting firms based in London, United Kingdom

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Diversity consulting firms based in London, United Kingdom at a glance

As of Sep 21, 2026
41.3%Verified-email coverage
22.6Average contacts per company
1-10Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
720
11-50
137
51-200
31
201-500
6
501-1,000
1
1,001-5,000
4
5,001-10,000
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 901 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 London, United Kingdom whose business descriptions match “diversity 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 8,417 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 21, 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 “diversity consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many diversity consulting firms are there based in London, United Kingdom?

RevenueBase identified 901 company matches for diversity consulting firms associated with London, 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?

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

Which city in the United Kingdom has the most diversity consulting firms?

London leads the United Kingdom with 901 company records, followed by Manchester (59) and Birmingham (34).

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 8,417 professional contacts with verified work emails tracked across these 901 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 21, 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.