Company lists · Data refreshed September 2026

Top 23 Accountancy practice management software companies based in London, United Kingdom

Name: Accountancy practice management 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 22, 2026 88 companies tracked

RevenueBase identified 88 company matches for accountancy practice management software companies associated with London, United Kingdom as of September 2026 and tracks 664 professional contacts across them, including 218 with verified work emails and 33 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for accountancy practice management software companies 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 22, 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 22, 2026 How this list was built

88Companies

664Contacts tracked

218Verified emails

33Mobile numbers

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The 23 largest accountancy practice management software companies based in London, United Kingdom

Ranked by team size

Top 23 of 88 company matches for accountancy practice management software companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Capium	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	81 contacts →
	Exact match “Capium is an online accounting & practice management software, tailored specifically for accounting practices.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Base Practice Support LTD Baseline Practice Support Smc-Pvt LTD	Exact match	London, United KingdomHQ recorded Sep 22, 2026	51-200	78 contacts →
	Exact match “Base Practice Support Ltd is the UK's fastest-growing Accountancy Practice Support company.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	NOMI	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	62 contacts →
	Exact match “Nomi is the ultimate cloud accounting suite built for accountants and bookkeepers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	MIMO	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	52 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 22, 2026 · View company records in RevenueBase
5	Adroit Accountax LTD	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	51 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 22, 2026 · View company records in RevenueBase
6	Acting Office	Exact match	London, United KingdomHQ recorded Sep 22, 2026	51-200	35 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 22, 2026 · View company records in RevenueBase
7	EMBER	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	32 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 22, 2026 · View company records in RevenueBase
8	Affotax	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	22 contacts →
	Exact match “Simplified Online Accounting \| Customized Bookkeeping \| Expert Payroll Services Making Finances Easier: Welcome to AffoTax.com, where we're changing how small businesses handle…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Perlin Franco	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	10 contacts →
	Exact match “We are an independent accountancy practice, based in Canary Wharf, providing a wide range of accountancy, tax and business development services for over 30 years.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	CLIC	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	9 contacts →
	Exact match “Own a small business?” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	PI Accounting LTD	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	9 contacts →
	Exact match “Virtual and in-house accountancy services provider for professional, media and financial services companies in London since 2010.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	4pointzero	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	8 contacts →
	Exact match “4PointZero is an international technology and advisory company that specialises in the implementation of cloud-based accountancy services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	ONKHO	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	7 contacts →
	Exact match “Integrated workflow, CRM and email for accountants and bookkeepers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	PAS Accountants LTD	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	6 contacts →
	Exact match “PAS Accountants are business tacticians for growth providing accountancy and business services to a range of aspiring SMEs and individuals.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Fairman Keable Accountancy Practice	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	5 contacts →
	Exact match “Accountancy Practice specialising in Management reporting and advising clients that love their business on the financials of their company.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Richlands Business Advisers Limited	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Renaissance Accountants LTD	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	5 contacts →
	Exact match “We are a professional accountancy, bookkeeping and tax consultancy firm with qualified Chartered Accountants, Chartered Certified Accountants and Tax Advisors in our ever-growing…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Finsol TAX Advisors	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	4 contacts →
	Exact match “FinSol Tax Advisors limited are a professional accountancy firm located in London.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Jacobs MF LTD	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	2 contacts →
	Exact match “Jacobs + MF Accounting Lifesavers has been offering financial control to businesses across the UK since 2010.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Easy Online Accounting Limited	Exact match	London, United KingdomHQ recorded Sep 22, 2026	11-50	2 contacts →
	Exact match “Easy Online Accounting is an accounting service provider small businesses, contractors and freelancers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	MM Consultinghouse Limited	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	2 contacts →
	Exact match “With over a decade of specialist experience, MM Consultinghouse helps small and mid-sized hospitality businesses simplify their finances and achieve growth through traditional…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Taxassist Accountants Barnet	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	1 contacts →
	Exact match “TaxAssist Accountants Barnet are focused on providing a personal and professional service and we work with a whole host of different types of clients.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Steer Accountancy	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1-10	1 contacts →
	Exact match “A Friendly and professional Sevice of Accountancy and Sage software In the time of a recession business never gets easier, but having the correct and up to date financial data to…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “accountancy practice management software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 23 of 88 accountancy practice management software companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 218 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accountancy practice management software companies based in London, United Kingdom at a glance

As of Sep 22, 2026

32.8%Verified-email coverage

5.0%Mobile-number coverage

7.5Average contacts per company

1-10Median size (employees)

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 24.0d

1600–30

5131–60

561–90

190–180

1180+

Company record updated

Median 76.5d

00–30

9331–60

35361–90

18290–180

36180+

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 “accountancy practice management software companies” 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 218 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 22, 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 “accountancy practice management software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accountancy practice management software companies are there based in London, United Kingdom?

RevenueBase identified 88 company matches for accountancy practice management software companies 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?

Capium 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 accountancy practice management software companies?

London leads the United Kingdom with 71 company records, followed by Bristol (9) and Birmingham (7).

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 218 professional contacts with verified work emails tracked across these 88 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 22, 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.