Company lists · Data verified August 2026

Top 25 Cloud accounting firms based in the United Kingdom

Name: Cloud accounting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,481 companies tracked

There are 1,481 cloud accounting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 6,818 professional contacts across them, including 2,501 with verified work emails and 350 with mobile numbers. London is the largest hub.

This list covers cloud accounting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,481Companies

6,818Contacts tracked

2,501Verified emails

350Mobile numbers

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The 25 largest cloud accounting firms based in the United Kingdom

Ranked by team size

Top 25 of 1,481 cloud accounting firms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Outbooks	London	201-500	475	39
2	Bright	Warwick	201-500	275	180
3	Debitam	London	51-200	103	30
4	Statrys	Manchester	51-200	93	53
5	More Than Accountants	Manchester	51-200	90	18
6	Capium	London	11-50	81	19
7	The Accountancy Partnership	Wirral	51-200	63	33
8	NOMI	London	11-50	61	30
9	Morris Crocker Chartered Accountants	Portsmouth	51-200	60	44
10	Stellaripe	London	51-200	57	40
11	Acenteus Accounting	n/a	51-200	54	3
12	Artifin Accountants	London	11-50	51	1
13	Lewis Brownlee Chartered Accountants & TAX Advisers	Midhurst	51-200	50	44
14	Green & Purple	Cambridge	51-200	44	32
15	Iris Accountancy	Slough	1,001-5,000	44	17
16	Ascendant	London	201-500	39	26
17	Acting Office	London	51-200	34	13
18	Bookcheck LTD	London	51-200	29	24
19	Addition	London	11-50	27	14
20	Clever Accounts LTD	Leeds	11-50	27	1
21	Clearcut Accounting	Manchester	11-50	20	6
22	Zmartly	London	11-50	17	1
23	Outserve	Stafford	11-50	15	10
24	BM Connect Limited	London	11-50	14	10
25	Alexander Rosse Accountants For The AI AGE	Milton Keynes	11-50	14	8

Showing 25 of 1,481 cloud accounting firms based in the United Kingdom

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Cloud accounting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 286 HQs

350Contacts with mobile numbers

11Emails re-verified in last 30 days

Companies by employee count

1-10

1,194

11-50

220

51-200

201-500

501-1,000

1,001-5,000

Cloud accounting firms by metro

Metro	Companies
Cloud accounting firms in London	286
Cloud accounting firms in Manchester	34
Cloud accounting firms in Bristol	25
Cloud accounting firms in Leeds	19
Cloud accounting firms in Birmingham	15
Cloud accounting firms in Liverpool	14
Cloud accounting firms in Sheffield	13

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cloud accounting firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 11 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cloud accounting firms are there based in the United Kingdom?

There are 1,481 cloud accounting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Outbooks, headquartered in London, tops this list with the largest team on record.

Which city has the most cloud accounting firms?

London leads with 286 headquartered companies, followed by Manchester (34) and Bristol (25).

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 2,501 verified decision-maker contacts tracked across these 1,481 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.