Company lists · Data refreshed September 2026

Top 25 Accounting software service providers based in the United Kingdom

RevenueBase identified 1,954 company matches for accounting software service providers associated with the United Kingdom as of September 2026 and tracks 11,408 professional contacts across them, including 4,381 with verified work emails. London is the largest hub.

This list covers company matches for accounting software service providers 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 September 27, 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 Sep 27, 2026 How this list was built
1,954Companies
11,408Contacts tracked
4,381Verified emails
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The 25 largest accounting software service providers based in the United Kingdom

Ranked by team size
Top 25 of 1,954 company matches for accounting software service providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSlough, United KingdomHQ recorded Sep 27, 20261,001-5,0002,218 contacts →

Exact match

“IRIS Software Group is a leading business software and services provider, one of the UK’s largest privately held software companies.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchEdinburgh, United KingdomHQ recorded Sep 27, 202651-200322 contacts →

Exact match

“One product.🤳 17 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchStapleford, United KingdomHQ recorded Sep 27, 2026n/a296 contacts →

Exact match

“Accounting services for sole traders and SME’s.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchHoughton Le Spring, United KingdomHQ recorded Sep 27, 202651-200156 contacts →

Exact match

“Inflo transforms the accounting profession by making leading-edge technologies accessible to all.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchHove, United KingdomHQ recorded Sep 27, 202651-200118 contacts →

Exact match

“We provide accounting software, services & solutions that have a big impact on small UK businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact match42-44 Bishopsgate, United KingdomHQ recorded Sep 27, 202651-200104 contacts →

Exact match

“Online Accounting Service | Bookkeeping | Payroll | Personal Tax Return Filing to HMRC | Corporation Tax Filing | HMRC ONLINE FILING: Our aim is to help small business owners` tax…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchHemel Hempstead, United KingdomHQ recorded Sep 27, 2026501-1,000102 contacts →

Exact match

“SJD is now Caroola Accountancy!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchWokingham, United KingdomHQ recorded Sep 27, 202651-200101 contacts →

Exact match

“The complete tax and accountancy practice software suite, powered by a single database.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchBolton, United KingdomHQ recorded Sep 27, 202651-20093 contacts →

Exact match

“More Than Accountants is an industry leader when it comes to cutting edge accountancy services and business growth, we utilise the latest technology to help us achieve both our…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20088 contacts →

Exact match

“Sapphire is an accounting outsourcing company set up for accounting firms in UK and is based in India.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20087 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5081 contacts →

Exact match

“Capium is an online accounting & practice management software, tailored specifically for accounting practices.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20068 contacts →

Exact match

“Poklyk, a European based company, develops and provides business management software products and services for micro, small, medium enterprises and self-employed professionals in…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Sep 27, 2026201-50065 contacts →

Exact match

“Xledger is a leading provider of cloud-based finance software.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchWirral, United KingdomHQ recorded Sep 27, 202651-20062 contacts →

Exact match

“We offer online accounting services which simplify tax and finances for small businesses, by providing a fresh alternative to old-school high street accountants.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5062 contacts →

Exact match

“Nomi is the ultimate cloud accounting suite built for accountants and bookkeepers.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchBrighouse, United KingdomHQ recorded Sep 27, 202611-5062 contacts →

Exact match

“Greybeard Solutions provides expert accounting outsourcing and business process automation services to SMEs worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchDerby, United KingdomHQ recorded Sep 27, 202651-20061 contacts →

Exact match

“We help businesses do more than just balance the books.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchBirmingham, United KingdomHQ recorded Sep 27, 202651-20061 contacts →

Exact match

“We help organisations get more from Sage business software.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20058 contacts →

Exact match

“We are on a mission to help accountants to grow their accountancy practice and become more profitable.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchPlus X Innovation, United KingdomHQ recorded Sep 27, 202651-20056 contacts →

Exact match

“Acenteus Accounting, legally known as Acenteus CCA Global Ltd is a UK-registered outsourced accounting and finance partner delivering secure, cloud-enabled support for…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchBridgend, United KingdomHQ recorded Sep 27, 202611-5054 contacts →

Exact match

“Your Accountant.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5052 contacts →

Exact match

“Mimo fixes accounting delivery by automating repetitive work and removing the admin that slows firms down, so accountants can focus on advisory and clients can get clarity when it…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5051 contacts →

Exact match

“Empowering Businesses to Thrive Through Financial Clarity | Adroit Accountax We're a team of passionate and experienced accountants dedicated to your business success.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5046 contacts →

Exact match

“As founders who've scaled startups, we understand the tax, payroll and finance challenges firsthand.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,954 accounting software service providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,381 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting software service providers based in the United Kingdom at a glance

As of Sep 27, 2026
38.4%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
17.6%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,570
11-50
302
51-200
49
201-500
13
501-1,000
4
1,001-5,000
3

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 1,954 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 “accounting software service providers” 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 4,381 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 September 27, 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.

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 “accounting software service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting software service providers are there based in the United Kingdom?

RevenueBase identified 1,954 company matches for accounting software service providers associated with the United Kingdom as of September 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?

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

Which city has the most accounting software service providers?

London leads with 344 company records, followed by Manchester (41) and Bristol (32).

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 4,381 professional contacts with verified work emails tracked across these 1,954 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 September 27, 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.