Company lists · Data refreshed September 2026

Top 25 HR software developers based in the United Kingdom

Name: HR software developers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 329 companies tracked

RevenueBase identified 329 HR software developers headquartered in the United Kingdom as of September 2026 and tracks 4,857 professional contacts across them, including 2,201 with verified work emails. London is the largest hub.

This list covers HR software developers headquartered in the 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 28, 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 28, 2026 86% judged on-target in blind review

329Companies

4,857Contacts tracked

2,201Verified emails

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The 25 largest HR software developers based in the United Kingdom

Ranked by team size

Top 25 of 329 HR software developers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to HR software developers: 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	Zellis	Indirect evidence	Bristol, United KingdomHQ checked Sep 28, 2026	1,001-5,000	1,465 contacts →
	Indirect evidence “Zellis helps organisations unlock better outcomes by creating exceptional experiences for their people.” Source: RevenueBase Database · checked Sep 28, 2026
2	Frontier Software	Strong evidence	Lightwater, United KingdomHQ checked Sep 28, 2026	201-500	507 contacts →
	Strong evidence “Established in 1983, Frontier Software is an acknowledged leader in the provision of a global HR & Payroll software solution.” Source: RevenueBase Database · checked Sep 28, 2026
3	Adviserplus	Partial evidence	Ellesmere Port, United KingdomHQ checked Sep 28, 2026	201-500	205 contacts →
	Partial evidence “AdviserPlus is the UK’s leading provider of HR technology, consulting, and advisory services.” Source: RevenueBase Database · checked Sep 28, 2026
4	Talos360	Indirect evidence	Warrington, United KingdomHQ checked Sep 28, 2026	51-200	161 contacts →
	Indirect evidence “Talos360 is the market leader in autonomous people solutions, empowering businesses to hire smarter, grow faster, and unlock their people’s full potential through autonomous…” Source: RevenueBase Database · checked Sep 28, 2026
5	PLUMM	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	n/a	155 contacts →
	Partial evidence “Plumm is the next-generation HR platform designed to replace your patchwork of tools with one powerful, integrated system.” Source: RevenueBase Database · checked Sep 28, 2026
6	Cezanne HR	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	127 contacts →
	Strong evidence “Cezanne HR is leading the way in delivering smart, sophisticated and cost-effective Cloud HR and Native payroll software to UK and international businesses.” Source: RevenueBase Database · checked Sep 28, 2026
7	Breathe	Partial evidence	Horsham, United KingdomHQ checked Sep 28, 2026	51-200	107 contacts →
	Partial evidence “Since 2012, Breathe has made HR simpler for growing businesses.” Source: RevenueBase Database · checked Sep 28, 2026
8	Iris Recruitment Powerful Recruitment Software And Services	Partial evidence	Ilkley Road, United KingdomHQ checked Sep 28, 2026	51-200	98 contacts →
	Partial evidence “We provide the latest ATS recruitment software and a recruitment process outsourcing service, supporting over 800 clients across the UK to reduce costs and improve the efficiency…” Source: RevenueBase Database · checked Sep 28, 2026
9	XCD	Strong evidence	Basingstoke, United KingdomHQ checked Sep 28, 2026	51-200	95 contacts →
	Strong evidence “Take control of your HR processes with xcd, the single-solution HR and Payroll software which helps put you back in control and achieve more.” Source: RevenueBase Database · checked Sep 28, 2026
10	Jibble	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	68 contacts →
	Partial evidence “Jibble Group builds HR SaaS products.” Source: RevenueBase Database · checked Sep 28, 2026
11	Tribepad B Corp Certified	Indirect evidence	Sheffield, United KingdomHQ checked Sep 28, 2026	51-200	66 contacts →
	Indirect evidence “Tribepad is the trusted tech ally to smart(er) recruiters everywhere, making it miles easier and faster to find, assess, nurture, hire, and onboard great people.” Source: RevenueBase Database · checked Sep 28, 2026
12	Applaud	Partial evidence	Worthing, United KingdomHQ checked Sep 28, 2026	51-200	61 contacts →
	Partial evidence “Applaud is the AI-powered HR Service Delivery (HRSD) platform built to reduce HR workload for global enterprises.” Source: RevenueBase Database · checked Sep 28, 2026
13	Elementsuite	Strong evidence	Watford, United KingdomHQ checked Sep 28, 2026	51-200	36 contacts →
	Strong evidence “AI-enabled HR, Workforce Management and Pay software tailored to meet your business needs.” Source: RevenueBase Database · checked Sep 28, 2026
14	Seven20	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	32 contacts →
	Indirect evidence “Salesforce for recruitment.” Source: RevenueBase Database · checked Sep 28, 2026
15	ZELT	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	31 contacts →
	Partial evidence “Zelt is the UK's leading native all-in-one HR and Finance platform, built to give mid-sized businesses the tools they need to manage, pay, and grow their people.” Source: RevenueBase Database · checked Sep 28, 2026
16	Zenithr	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	20 contacts →
	Partial evidence “Zenithr is a leading provider of HR technology and intelligence solutions, committed to enhancing talent management and development for businesses.” Source: RevenueBase Database · checked Sep 28, 2026
17	Harbour ATS	Indirect evidence	Colchester, United KingdomHQ checked Sep 28, 2026	11-50	19 contacts →
	Indirect evidence “Harbour’s applicant tracking and onboarding system helps compliance-centric businesses to speed up hiring, automate manual tasks and transform the candidate experience.” Source: RevenueBase Database · checked Sep 28, 2026
18	Modusforce	Indirect evidence	Droitwich, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “ModusForce, is a leading technology consultancy dedicated to the exclusive specialisation in HCM (Human Capital Management) solutions.” Source: RevenueBase Database · checked Sep 28, 2026
19	Access Peoplehr	Partial evidence	Loughborough, United KingdomHQ checked Sep 28, 2026	201-500	16 contacts →
	Partial evidence “Access PeopleHR is part of The Access Group, and together we are supporting the world of HR.” Source: RevenueBase Database · checked Sep 28, 2026
20	Realise HR	Partial evidence	Carlisle, United KingdomHQ checked Sep 28, 2026	1-10	14 contacts →
	Partial evidence “Realise HR is a leading, multi-award-winning HR, Recruitment and Training Consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
21	GO Enterprise HR Software	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Partial evidence “Go Enterprise HR: The Ultimate All-in-One HR Solution for Growing Businesses HR doesn’t have to be complicated.” Source: RevenueBase Database · checked Sep 28, 2026
22	HR Surgery	Partial evidence	West Byfleet, United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “We are a one-stop solution for all your HR needs – providing strategic, operational, and tactical support to small and medium-sized businesses across the UK.” Source: RevenueBase Database · checked Sep 28, 2026
23	Practical HR LTD	Partial evidence	Great Wakering, United KingdomHQ checked Sep 28, 2026	1-10	13 contacts →
	Partial evidence “Practical HR provides HR solutions SMEs.” Source: RevenueBase Database · checked Sep 28, 2026
24	Chronologic LTD	Indirect evidence	Midsomer Norton, United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “Chronologic helps businesses across the UK thrive by elevating their teams and solving workforce challenges.” Source: RevenueBase Database · checked Sep 28, 2026
25	Enroute X	Indirect evidence	Sunderland, United KingdomHQ checked Sep 28, 2026	51-200	13 contacts →
	Indirect evidence “We build two aspects so well-digital & human resources.” Source: RevenueBase Database · checked Sep 28, 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: HR software developers. 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 HR software developers.
Partial evidence: Its own public description names part of HR software developers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name HR software developers. 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 25 of 329 HR software developers based in the United Kingdom

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HR software developers based in the United Kingdom at a glance

As of Sep 28, 2026

45.3%Verified-email coverage

14.8Average contacts per company

1-10Median size (employees)

31.3%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

207

11-50

51-200

201-500

501-1,000

1,001-5,000

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 329 companies.

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 HR software developers, 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 the United Kingdom whose own description of what they do matches “HR software developers”. 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 HR software developers), 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 HR software developers, and records with no verified work email. Companies headquartered outside United Kingdom 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, 2,201 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 28, 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.

HR software developers by metro

HR software developers in London103

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 HR software developers, 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 HR software developers are there based in the United Kingdom?

RevenueBase identified 329 HR software developers headquartered in the 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?

Zellis, headquartered in Bristol, tops this list with the largest team on record.

Which city has the most HR software developers?

London leads with 103 headquartered companies, followed by Manchester (10) and Bristol (7).

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 2,201 verified decision-maker contacts tracked across these 329 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 28, 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.