Company lists · Data refreshed September 2026
Top 24 HR process automation software companies based in London, United Kingdom
RevenueBase identified 229 HR process automation software companies headquartered in London, United Kingdom as of September 2026 and tracks 6,861 professional contacts across them, including 1,811 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers HR process automation software companies 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 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.
The 24 largest HR process automation software companies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,734 contacts → | ||||
Partial evidence “At Alight | NGA Human Resources our mission is to make HR work better.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 833 contacts → | ||||
Partial evidence “Since 2006, we’ve helped the most innovative companies and HR leaders transform the employee experience to attract and retain top talent through employee benefits, strategic…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 420 contacts → | ||||
Partial evidence “Since 1992 Giant have provided specialist, end to end workforce management software and support services to large and small recruitment agencies, internationally.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 173 contacts → | ||||
Strong evidence “A cloud based online software that provides Intuitive and comprehensive solutions integrated with impeccable management of employees payroll processing in real-time.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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, 2026Thanks. The Data Team will review it. | |||||
| 6 | 151 contacts → | ||||
Indirect evidence “Meet Playroll - your all-in-one workforce management platform.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 143 contacts → | ||||
Partial evidence “Centelli is on a mission to transform the modern workplace through intelligent automation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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, 2026Thanks. The Data Team will review it. | |||||
| 9 | 124 contacts → | ||||
Indirect evidence “Omnipresent was acquired by Deel in October of 2025.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 100 contacts → | ||||
Indirect evidence “Rota is a Total Workforce Technology SAAS solution that significantly improves organisations of all sizes workforce management and team engagement across multiple industry sectors.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 87 contacts → | ||||
Indirect evidence “KPI is an all-in-one business solution providing: Accounting, Payroll, Sales, Human Resources, Project Management, Report and Document applications all in one platform according…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 74 contacts → | ||||
Strong evidence “AMFG is the leading automation software for low-volume, high-mix manufacturers.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 68 contacts → | ||||
Partial evidence “Jibble Group builds HR SaaS products.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 59 contacts → | ||||
Indirect evidence “Your Partner for Innovative Solutions & Services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 40 contacts → | ||||
Partial evidence “At Teamed, we simplify the process of building teams - no matter where they are in the world.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 40 contacts → | ||||
Partial evidence “Embracing innovative technology and user simplicity, HealthBoxHR has developed a revolutionary, future-proof global HR and payroll solution.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 36 contacts → | ||||
Indirect evidence “With 30 years' experience we offer a wide array of solutions and services to meet your business objectives and expectations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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, 2026Thanks. The Data Team will review it. | |||||
| 19 | 27 contacts → | ||||
Partial evidence “With over 30 years of industry experience, we offer service desk software designed to adapt seamlessly to your organisation's needs, powered by Solvyr®, our AI engine that…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 25 contacts → | ||||
Partial evidence “As current specialists in providing technology for the recruitment industry, our products have powered thousands of users, paid hundreds of thousands of workers, processed…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 22 contacts → | ||||
Partial evidence “At Nexbotix, we are dedicated to solving one of the most persistent and costly challenges facing businesses today: operational inefficiency caused by manual, repetitive processes.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 20 contacts → | ||||
Indirect evidence “EVA.AI is the Workforce Decision Intelligence Platform, making hiring, mobility, and skills decisions faster, fairer, and auditable at scale.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 20 contacts → | ||||
Indirect evidence “Companies struggle to win in competitive markets because of one very important element that is a bottleneck today - an employee.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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, 2026Thanks. The Data Team will review it. | |||||
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 process automation software companies. 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 process automation software companies.
- Partial evidence
- Its own public description names part of HR process automation software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name HR process automation software companies. 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 229 HR process automation software companies based in London, United Kingdom
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HR process automation software companies based in London, United Kingdom at a glance
As of Sep 28, 2026Companies by employee count
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 229 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 process automation software companies, 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 “HR process automation software companies”. 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 process automation software companies), 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 process automation software companies, 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, 1,811 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.
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 process automation software companies, 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 process automation software companies are there based in London, United Kingdom?
RevenueBase identified 229 HR process automation software companies 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?
NGA Human Resources, An Alight Company, headquartered in London, tops this list with the largest team on record.
Which city in the United Kingdom has the most HR process automation software companies?
London leads the United Kingdom with 229 headquartered companies, followed by Manchester (22) and Leeds (14).
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 1,811 verified decision-maker contacts tracked across these 229 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.
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