Company lists · Data refreshed September 2026

Top 25 Accounting automation service providers based in London, United Kingdom

RevenueBase identified 177 company matches for accounting automation service providers associated with London, United Kingdom as of September 2026 and tracks 5,219 professional contacts across them, including 2,516 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for accounting automation service providers associated with London, 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 30, 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 30, 2026 How this list was built
177Companies
5,219Contacts tracked
2,516Verified emails
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The 25 largest accounting automation service providers based in London, United Kingdom

Ranked by team size
Top 25 of 177 company matches for accounting automation service providers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 30, 20261,001-5,0002,708 contacts →

Exact match

“Tide helps SMEs save time (and money) in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 30, 2026201-500381 contacts →

Exact match

“Say hello to Dext, the advanced bookkeeping automation platform that eliminates much of the manual work that slows you down.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-200177 contacts →

Exact match

“Absolutely No Nonsense Admin The AI-powered all-in-one business account that sorts your invoicing, expenses, bookkeeping, taxes and more Currently available in the UK and Australia”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-200171 contacts →

Exact match

“For too long, the UK mid-market has been caught between entry-level cloud software that cannot keep up and enterprise systems that cost a fortune to implement and even more to…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-200103 contacts →

Exact match

“ARKK began amid the 2009 financial crisis with a vision that technology and automation could enhance the finance function.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-20082 contacts →

Exact match

“Pay suppliers, pay staff, issue expense cards, and let your most tedious bookkeeping tasks run themselves.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5062 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-20056 contacts →

Exact match

“Light is the new way to run multinational finances for modern technology companies.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 30, 2026201-50040 contacts →

Exact match

“Accounting.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5038 contacts →

Exact match

“SMBs still manage their finance on paper, Excel and 5+ external tools, resulting in 5% revenue loss.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-20034 contacts →

Exact match

“Kolleno is a financial operations platform that brings together receivables, payments and reconciliation - all in one place.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5032 contacts →

Exact match

“Ember is a specialist accounting and tax software platform and was acquired by Starling Bank in 2025.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-20029 contacts →

Exact match

“Our clients rely on us to remove book-keeping hassle and improve their profitability by using our top quality financial reports based on professionally reconciled book-keeping.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5027 contacts →

Exact match

“At Addition Finance, we're revolutionising the landscape of business finance on a global scale.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5026 contacts →

Exact match

“Cloud-native finance and accounting software for multi-entity and multi-currency organisations.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5024 contacts →

Exact match

“Adsum builds AI agents that run core accounting workflows for UK practices.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5018 contacts →

Exact match

“What would your ideal accounting service give you?”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 30, 202611-5015 contacts →

Exact match

“You didn't start your business to do paperwork, receipt filing and number crunching - no one does (ok.we did).”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 30, 202651-20014 contacts →

Exact match

“Fiskl is AI-native accounting for SMEs that need their numbers to stay accurate as the business runs.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 177 accounting automation service providers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 2,516 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting automation service providers based in London, United Kingdom at a glance

As of Sep 30, 2026
48.2%Verified-email coverage
29.5Average contacts per company
1-10Median size (employees)
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
109
11-50
43
51-200
18
201-500
3
501-1,000
2
1,001-5,000
2

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 177 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 London, United Kingdom whose business descriptions match “accounting automation 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 2,516 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 30, 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 automation service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting automation service providers are there based in London, United Kingdom?

RevenueBase identified 177 company matches for accounting automation service providers associated with London, 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?

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

Which city in the United Kingdom has the most accounting automation service providers?

London leads the United Kingdom with 177 company records, followed by Manchester (14) and Bristol (8).

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 2,516 professional contacts with verified work emails tracked across these 177 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 30, 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.