Company lists · Data refreshed September 2026

Top 25 HR accounting software companies based in London, United Kingdom

Name: HR accounting software companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 59 companies tracked

RevenueBase identified 59 HR accounting software companies headquartered in London, United Kingdom as of September 2026 and tracks 3,938 professional contacts across them, including 449 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers HR accounting 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.

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

59Companies

3,938Contacts tracked

449Verified emails

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The 25 largest HR accounting software companies based in London, United Kingdom

Ranked by team size

Top 25 of 59 HR accounting software companies based in London, 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 accounting software companies: 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	NGA Human Resources, An Alight Company	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	2,734 contacts →
	Partial evidence “At Alight \| NGA Human Resources our mission is to make HR work better.” Source: RevenueBase Database · checked Sep 28, 2026
2	Giant Group	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	5,001-10,000	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, 2026
3	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
4	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
5	kpi.com	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	87 contacts →
	Partial 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, 2026
6	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
7	Healthboxhr	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	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, 2026
8	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
9	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
10	Anfold Software LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	13 contacts →
	Partial evidence “Anfold Software specialises in technology solutions that assist companies in saving time, reducing human error across their timesheet management, pay and bill cycles, and driving…” Source: RevenueBase Database · checked Sep 28, 2026
11	Hubbubhr	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	12 contacts →
	Partial evidence “HubbubHR is proven, future-ready, Azure-secure enterprise people & AI tech built for what’s next Big legacy HR/ERP systems introduce rigidity, exorbitant cost, and delay.” Source: RevenueBase Database · checked Sep 28, 2026
12	Walkzero	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Walkzero, is developing an AI-driven Human Resource Management System (HRMS) to help small and medium-sized enterprises (SMEs) streamline their HR processes, enhance employee…” Source: RevenueBase Database · checked Sep 28, 2026
13	Giant Precision	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence “Take control of your contingent workforce with Giant Precision.” Source: RevenueBase Database · checked Sep 28, 2026
14	Exelsys LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “Exelsys provides an integrated collaborative Human Capital Management System, enterprises need to manage the full hire-to-retire process for both full-time and part-time employees…” Source: RevenueBase Database · checked Sep 28, 2026
15	AS Robins	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “As Robins is a financial services company based out of Cornwall Ave, London, United Kingdom.” Source: RevenueBase Database · checked Sep 28, 2026
16	Upstrax	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “At Upstrax, we're revolutionizing the way businesses manage their most valuable asset-their people.” Source: RevenueBase Database · checked Sep 28, 2026
17	BUD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “People and Payroll Specialists” Source: RevenueBase Database · checked Sep 28, 2026
18	Pecen Consulting	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	3 contacts →
	Indirect evidence “We are people centric technology solutions and we aim to help clients streamline their ERP systems and processes with excellence, expertise and creativity with a human touch.” Source: RevenueBase Database · checked Sep 28, 2026
19	ehubt.io	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	3 contacts →
	Partial evidence “eHubt.io offers innovative HR and business solutions designed to streamline workforce management, enhance employee engagement, and optimize business performance.” Source: RevenueBase Database · checked Sep 28, 2026
20	Primus C Consulting	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “Independent advisory and consultancy service supporting HR, Payroll, Time Management, Expense Management, Invoice and Employee portal solutions.” Source: RevenueBase Database · checked Sep 28, 2026
21	TCM Information Analytics	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	2 contacts →
	Indirect evidence “At TCM information analytics (TCM) we believe that every company is different and contains a unique blend of information, processes and skills to manage their operations.” Source: RevenueBase Database · checked Sep 28, 2026
22	Gigsasa	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Strong evidence “Gigsasa stands as the foremost HR software provider that drives the transformation of HR strategies within small and medium-sized enterprises.” Source: RevenueBase Database · checked Sep 28, 2026
23	Openhr UK	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	1 contacts →
	Strong evidence “Founded in 1986, we deliver flexible HR and internal communications software for UK businesses, trusted by organisations worldwide.” Source: RevenueBase Database · checked Sep 28, 2026
24	Hrcomply Limited	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “HRComply was founded by Neil Herbert and Sue Carter.” Source: RevenueBase Database · checked Sep 28, 2026
25	Acorns & Oaks LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence “Helping small businesses to recruit, onboard and manage their staff throughout the complete employee lifecycle.” 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 accounting 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 accounting software companies.
Partial evidence: Its own public description names part of HR accounting 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 accounting 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 25 of 59 HR accounting software companies based in London, United Kingdom

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HR accounting software companies based in London, United Kingdom at a glance

As of Sep 28, 2026

11.4%Verified-email coverage

66.7Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

5,001-10,000

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 59 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 accounting 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 accounting 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 accounting 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 accounting 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, 449 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 accounting 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 accounting software companies are there based in London, United Kingdom?

RevenueBase identified 59 HR accounting 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 accounting software companies?

London leads the United Kingdom with 59 headquartered companies, followed by Manchester (6) and Birmingham (5).

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 449 verified decision-maker contacts tracked across these 59 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.