Company lists · Data refreshed November 2026

Top 15 HR consulting and implementation services based in the United Kingdom

Name: HR consulting and implementation services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 7,091 companies tracked

RevenueBase identified 7,091 company matches for HR consulting and implementation services associated with the United Kingdom as of November 2026 and tracks 53,457 professional contacts across them, including 15,811 with verified work emails. London is the largest hub.

This list covers company matches for HR consulting and implementation 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

7,091Companies

53,457Contacts tracked

15,811Verified emails

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The 15 largest HR consulting and implementation services based in the United Kingdom

Ranked by team size

Top 15 of 7,091 company matches for HR consulting and implementation 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	JLT Group	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,465 contacts →
	Exact match “JLT joined Marsh McLennan in April 2019 and is now part of Marsh.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ROC	Exact match	Weybridge, United KingdomHQ recorded Nov 6, 2026	501-1,000	560 contacts →
	Exact match “We are a leading service provider of Human Capital Management (HCM) solutions across Europe, serving more than 1.5 million employees monthly with an annual revenue of 78 million…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Page Executive	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	486 contacts →
	Exact match “Page Executive is a global leader in executive search and senior leadership recruitment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Croner	Exact match	Wheatfield Way, United KingdomHQ recorded Nov 6, 2026	201-500	427 contacts →
	Exact match “Our award winning HR and health & safety services free you from workforce admin and help keep you on the right side of the law.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Hirexa Solutions	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	386 contacts →
	Exact match “Hirexa Solutions is a leading group of companies committed to delivering exceptional services to Fortune 500 clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	PENNA	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	362 contacts →
	Exact match “Penna, an LHH brand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Pareto	Exact match	Wilmslow, United KingdomHQ recorded Nov 6, 2026	201-500	310 contacts →
	Exact match “Pareto partner globally with organisations to take people from learning to leading.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Ethos Farm	Exact match	London & New York, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	279 contacts →
	Exact match “Award-winning Customer Experience and Employee Experience consultancy with offices in London and New York.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	253 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
10	Cloudrock	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	231 contacts →
	Exact match “We specialise in digital transformation, with deep expertise across Advisory, Delivery, Optimisation, Apps and AI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Adviserplus	Exact match	Ellesmere Port, United KingdomHQ recorded Nov 6, 2026	201-500	212 contacts →
	Exact match “AdviserPlus is the UK’s leading provider of HR technology, consulting, and advisory services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Mercer UK	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	201 contacts →
	Exact match “At Mercer, A Marsh business, we’re helping our clients realize their investment objectives, shape the future of work, and enhance health and retirement outcomes for their people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	The HR Dept	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	51-200	192 contacts →
	Exact match “Welcome to The HR Dept.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	NEW Street Consulting Group Nscg	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	183 contacts →
	Exact match “We’re a leading people advisory consultancy that partners with you to source great executives, assess and develop leadership capabilities and expedite change and transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Konexo	Exact match	London, United KingdomHQ recorded Nov 6, 2026	51-200	182 contacts →
	Exact match “Alternative legal and compliance services developed by Eversheds Sutherland.” Recorded in the RevenueBase company graph · Nov 6, 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 “HR consulting and implementation 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 15 of 7,091 HR consulting and implementation services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 15,811 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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HR consulting and implementation services based in the United Kingdom at a glance

As of Nov 6, 2026

29.6%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

29.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,513

11-50

1,064

51-200

233

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 7,091 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 “HR consulting and implementation 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 15,811 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.

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

How many HR consulting and implementation services are there based in the United Kingdom?

RevenueBase identified 7,091 company matches for HR consulting and implementation 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?

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

Which city has the most HR consulting and implementation services?

London leads with 2112 company records, followed by Manchester (167) and Bristol (100).

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 15,811 professional contacts with verified work emails tracked across these 7,091 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.