Company lists · Data refreshed September 2026

Top 24 Employee relations consulting firms based in London, United Kingdom

Name: Employee relations consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 887 companies tracked

RevenueBase identified 887 employee relations consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 17,748 professional contacts across them, including 5,651 with verified work emails and 1,218 with mobile numbers. London is the largest hub.

This list covers employee relations consulting firms headquartered in London, 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 12, 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 12, 2026 86% judged on-target in blind review

887Companies

17,748Contacts tracked

5,651Verified emails

1,218Mobile numbers

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The 24 largest employee relations consulting firms based in London, United Kingdom

Ranked by team size

Top 24 of 887 employee relations consulting firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 12, 2026. RevenueBase Smart Search rates how each company's information relates to employee relations consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Avance Consulting	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	1,927 contacts →
	Partial evidence “Avance Consulting is a global organization focused on delivering innovative talent solution services to some of the most renowned companies in the world, across industries that…” Source: RevenueBase Database · checked Sep 12, 2026
2	JLT Group	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	n/a	1,361 contacts →
	Indirect evidence “As of April 1, 2019, JLT Group is now part of Marsh & McLennan Companies (MMC).” Source: RevenueBase Database · checked Sep 12, 2026
3	Hirexa Solutions	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	377 contacts →
	Indirect evidence “Hirexa Solutions is a leading group of companies committed to delivering exceptional services to Fortune 500 clients worldwide.” Source: RevenueBase Database · checked Sep 12, 2026
4	Kovaion Consulting	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	353 contacts →
	Indirect evidence “Kovaion is a global AI-powered solutions and innovation company focused on Oracle technologies, enterprise applications, intelligent automation, and digital transformation.” Source: RevenueBase Database · checked Sep 12, 2026
5	Ubique Systems	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	501-1,000	333 contacts →
	Partial evidence “Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…” Source: RevenueBase Database · checked Sep 12, 2026
6	Mercer UK	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	10001+	329 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 12, 2026
7	SHM Productions LTD	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	n/a	186 contacts →
	Partial evidence “SHM is a small consulting firm based in London.” Source: RevenueBase Database · checked Sep 12, 2026
8	Consulting Point	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	168 contacts →
	Partial evidence “Consulting Point is a multi-award-winning talent strategy and advisory firm headquartered in the United Kingdom, with a truly global reach.” Source: RevenueBase Database · checked Sep 12, 2026
9	Eton Bridge Partners LTD	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	138 contacts →
	Strong evidence “We are an award-winning Executive Search, Interim Management and Business Consulting firm with a strong reputation for building relationships and delivering excellence.” Source: RevenueBase Database · checked Sep 12, 2026
10	HFG Insurance Recruitment	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	128 contacts →
	Partial evidence “HFG is a leading international recruitment consulting firm that provides specialist professionals to leading General Insurance, Life, Reinsurance, Pensions and Management…” Source: RevenueBase Database · checked Sep 12, 2026
11	Norman Broadbent PLC	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	86 contacts →
	Indirect evidence “As a leading Professional Services firm, we offer five interrelated Talent Acquisition & Advisory Services to help Boards with the challenges they face.” Source: RevenueBase Database · checked Sep 12, 2026
12	Erevena	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	73 contacts →
	Indirect evidence “Erevena is the global executive search advisor to the world's most ambitious tech companies.” Source: RevenueBase Database · checked Sep 12, 2026
13	Blackwood Group	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	70 contacts →
	Indirect evidence “Blackwood is a leading human capital advisory firm.” Source: RevenueBase Database · checked Sep 12, 2026
14	Nexus Search	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	65 contacts →
	Indirect evidence “nexus – your global end to end supply chain leadership partner Nexus are an award winning hiring partner with over two decades’ experience in bringing top talent and clients…” Source: RevenueBase Database · checked Sep 12, 2026
15	PIB Employee Benefits	Strong evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	62 contacts →
	Strong evidence “Corporate Adviser Firm of the Year 2024 PIB Employee Benefits is a forward-thinking consulting business that specialises in supporting organisations who want to formulate an…” Source: RevenueBase Database · checked Sep 12, 2026
16	10eighty	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	57 contacts →
	Indirect evidence “10Eighty is a pioneering consultancy that is focused on ROI and demonstrable improvements in organisational and people performance.” Source: RevenueBase Database · checked Sep 12, 2026
17	Oakleaf Partnership	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	57 contacts →
	Indirect evidence “Since 2005, Oakleaf Partnership has been successfully placing people into jobs across every HR discipline, in every sector imaginable.” Source: RevenueBase Database · checked Sep 12, 2026
18	Milliman UK	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	1,001-5,000	56 contacts →
	Partial evidence “Milliman is among the world’s largest independent actuarial and consulting firms.” Source: RevenueBase Database · checked Sep 12, 2026
19	Hunter Adams	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	53 contacts →
	Partial evidence “Hunter Adams is an employee-owned HR consultancy, Interim and recruitment business.” Source: RevenueBase Database · checked Sep 12, 2026
20	Warriorz Technologies	Partial evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	51 contacts →
	Partial evidence “In a highly technical industry of Information Technology, Warriorz Technologies Ltd is paving the way in Human Resource and Software consulting across the globe.” Source: RevenueBase Database · checked Sep 12, 2026
21	BIOSS	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	51-200	48 contacts →
	Indirect evidence “Bioss is a global network of organisation and people development consultancies.” Source: RevenueBase Database · checked Sep 12, 2026
22	Anderson Quigley	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	46 contacts →
	Indirect evidence “Anderson Quigley (AQ) is a leading executive talent partner.” Source: RevenueBase Database · checked Sep 12, 2026
23	Aviserv	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	201-500	40 contacts →
	Indirect evidence “We help multi-national and SME's to help manage their complex staff and human resource needs in some of the most challenging environment such as Airports and Hospitals.” Source: RevenueBase Database · checked Sep 12, 2026
24	Fitzgerald	Indirect evidence	London, United KingdomHQ checked Sep 12, 2026	11-50	38 contacts →
	Indirect evidence “We’re the full-service HR consultancy that synchronises seamlessly with your business.” Source: RevenueBase Database · checked Sep 12, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: employee relations consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names employee relations consulting firms.
Partial evidence: Its own public description names part of employee relations consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name employee relations consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 24 of 887 employee relations consulting firms based in London, United Kingdom

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Employee relations consulting firms based in London, United Kingdom at a glance

As of Sep 12, 2026

31.8%Verified-email coverage

6.9%Mobile-number coverage

20.0Average contacts per company

1-10Median size (employees)

101.0%Largest-city concentration · London

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

681

11-50

146

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 14.0d

4,6580–30

85131–60

2461–90

390–180

115180+

Company record updated

Median 74.0d

00–30

6,94031–60

7,66261–90

1,92490–180

1,222180+

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 employee relations consulting firms, 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 London, United Kingdom whose own description of what they do matches “employee relations consulting firms”. 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 employee relations consulting firms), 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 employee relations consulting firms, and records with no verified work email. Companies headquartered outside London 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, 5,651 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 12, 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.

Employee relations consulting firms by metro in the United Kingdom

Employee relations consulting firms in London896
Employee relations consulting firms in Manchester71
Employee relations consulting firms in Bristol57
Employee relations consulting firms in Leeds51
Employee relations consulting firms in Birmingham45
Employee relations consulting firms in Glasgow38
Employee relations consulting firms in Edinburgh30

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 employee relations consulting firms, 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 employee relations consulting firms are there based in London, United Kingdom?

RevenueBase identified 887 employee relations consulting firms headquartered in London, 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?

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

Which city has the most employee relations consulting firms?

London leads with 896 headquartered companies, followed by Manchester (71) and Bristol (57).

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 5,651 verified decision-maker contacts tracked across these 887 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 12, 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.