Company lists · Data verified August 2026

Top 15 Billing and invoicing software companies based in the United Kingdom

Name: Billing and invoicing software companies 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 37 companies tracked

There are 37 billing and invoicing software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 561 professional contacts across them, including 280 with verified work emails and 43 with mobile numbers. London is the largest hub.

This list covers billing and invoicing software companies 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.

37Companies

561Contacts tracked

280Verified emails

43Mobile numbers

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The 15 largest billing and invoicing software companies based in the United Kingdom

Ranked by team size

Top 15 of 37 billing and invoicing software companies 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	Freeagent	Edinburgh	51-200	324	202
2	M3ter	London	51-200	39	22
3	Tekton Billing	Caterham	11-50	38	24
4	Invopop YC W23	London	1-10	15	7
5	bill.me	London	11-50	14	9
6	I24	Oxford	11-50	10	1
7	energylogix.com	St Asaph	11-50	6	3
8	Nabypay	London	1-10	5	3
9	Invoiceberry	London	1-10	5	1
10	Payment Bear	London	1-10	4	2
11	Intelligent Billing	Basingstoke	11-50	4	1
12	Symbiant Technologies LTD	Canterbury	11-50	3	2
13	Proceipt	London	1-10	3	1
14	Nightingales Medical Billing Limited	East Grinstead	1-10	3	1
15	Redware Research Limited	Hove	1-10	2	1

Showing 15 of 37 billing and invoicing software companies based in the United Kingdom

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Billing and invoicing software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 18 HQs

43Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Billing and invoicing software companies by metro

Metro	Companies
Billing and invoicing software companies in London	18
Billing and invoicing software companies in Birmingham	1
Billing and invoicing software companies in Wolverhampton	1
Billing and invoicing software companies in Glasgow	1
Billing and invoicing software companies in Richmond	1
Billing and invoicing software companies in Canterbury	1
Billing and invoicing software companies in St Asaph	1

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 “billing and invoicing software companies”, 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; 3 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 billing and invoicing software companies are there based in the United Kingdom?

There are 37 billing and invoicing software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Freeagent, headquartered in Edinburgh, tops this list with the largest team on record.

Which city has the most billing and invoicing software companies?

London leads with 18 headquartered companies, followed by Birmingham (1) and Wolverhampton (1).

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 280 verified decision-maker contacts tracked across these 37 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.