Company lists · Data refreshed September 2026

Top 25 Acct integrators based in the United Kingdom

RevenueBase identified 60 company matches for acct integrators associated with the United Kingdom as of September 2026 and tracks 818 professional contacts across them, including 383 with verified work emails. London is the largest hub.

This list covers company matches for acct integrators 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 21, 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 21, 2026 How this list was built
60Companies
818Contacts tracked
383Verified emails
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The 25 largest acct integrators based in the United Kingdom

Ranked by team size
Top 25 of 60 company matches for acct integrators based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchLondon, United KingdomHQ recorded Sep 21, 2026501-1,000304 contacts →

Exact match

“Here at Aptitude, we provide software solutions to enable deliver fully autonomous finance so our customers can drive growth, efficiency and sustainability.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchHoughton Le Spring, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20035 contacts →

Exact match

“At Acting Office we deliver a fully integrated software platform designed for modern accountancy practices that want precision, efficiency and complete visibility across their…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“We connect your CRM, ERP, AI and Cloud systems, bridging internal platforms and external tools so your data flows cleanly, your processes run automatically, and your business…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Zynk is one of leading Integration Platform as a Service providers specializing in accounting data integration.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchLeeds, United KingdomHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“Leeds cloud accountants that care.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5016 contacts →

Exact match

“Mayday mends month end for in-house finance teams at complex businesses scaling with Xero or Quickbooks Online as their core accounting system, including those managing multiple…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchStafford, United KingdomHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“Grow your profits and make your business better with Outserve.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchCrowborough, United KingdomHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“Eclipse is an experienced provider of cloud financial management, integration and automation solutions designed to help organisations increase efficiency and maximise business…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“At hibooks, we believe that the true potential of any business lies in the ability to focus on its core vision without being bogged down by the intricacies of financial management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchCheltenham, United KingdomHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“We’re Nephos, and we believe that there’s a better way to grow your business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Founded in 2018, Abacai was built by operators who have lived the reality of scaling finance teams inside high-growth businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchStoke-on-trent, United KingdomHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“When you absolutely don't want to pay a small fortune for your finance/accounting or ERP solutions, it's time to get in touch.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-507 contacts →

Exact match

“We are a small and nimble fintech company, with unique skills for extracting, understanding and transforming accounting data.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchCrediton, United KingdomHQ recorded Sep 21, 20261-106 contacts →

Exact match

“An tax and accounting firm based in Devon, England who specialise in cloud accounting software.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchGlasgow, United KingdomHQ recorded Sep 21, 202651-2005 contacts →

Exact match

“From award-winning business systems software developer Eureka Solutions, Besyncly, is a cloud-based integration solution that improves data communication within your business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchHitchin, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“IT All Figures is owned and run by husband and wife team Leigh and Sarah who specialise in IT and Accountancy respectively.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchFarnham, United KingdomHQ recorded Sep 21, 202611-502 contacts →

Exact match

“OSMO® is a unique technology solution to the problem of how to connect with and maintain access to the diverse range of accounting software in use by businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchHaslemere, United KingdomHQ recorded Sep 21, 202611-502 contacts →

Exact match

“PowerBI & Excel Accounting Software Integrations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchHarlow, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Deciphr is the Gold Standard in modern accounting.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchDoncaster, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Bee & Co is a cloud-first accountancy practice based in Doncaster, supporting sole traders, partnerships, limited companies, charities and clubs across the UK.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchRayleigh, United KingdomHQ recorded Sep 21, 20261-101 contacts →

Exact match

“LECE BOOKKEEPING SERVICES LIMITED is a company based out of United Kingdom.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchNottingham, United KingdomHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Online Accounting are a business software company dedicated to helping our clients achieve their goals using intelligent software solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchLeamington Spa, United KingdomHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Let us be your finance team.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 60 acct integrators based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 383 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Acct integrators based in the United Kingdom at a glance

As of Sep 21, 2026
46.8%Verified-email coverage
13.6Average contacts per company
1-10Median size (employees)
35.0%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
37
11-50
16
51-200
5
201-500
1
501-1,000
1

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 60 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 “acct integrators” 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 383 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 21, 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 “acct integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many acct integrators are there based in the United Kingdom?

RevenueBase identified 60 company matches for acct integrators 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?

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

Which city has the most acct integrators?

London leads with 21 company records, followed by Birmingham (2) and Hitchin (2).

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 383 professional contacts with verified work emails tracked across these 60 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 21, 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.