Company lists · Data verified August 2026

Top 25 Contact management software developers based in the United Kingdom

Name: Contact management software developers 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 74 companies tracked

There are 74 contact management software developers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 257 professional contacts across them, including 60 with verified work emails and 16 with mobile numbers. London is the largest hub.

This list covers contact management software developers 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.

74Companies

257Contacts tracked

60Verified emails

16Mobile numbers

Unlock all 74 companies Free account · no credit card · 2 minutes

The 25 largest contact management software developers based in the United Kingdom

Ranked by team size

Top 25 of 74 contact management software developers 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	WEB Alliance Limited	Northampton	11-50	28	2
2	Akarigo	London	11-50	13	7
3	Greenhouse OS	York	11-50	13	6
4	Buddycrm	Walsall	11-50	9	5
5	Contactbase	London	1-10	8	1
6	Subscribercrm	Tilbury	1-10	6	5
7	Ienterprises	Bracknell	51-200	6	2
8	Advanced Software LTD	Newark	11-50	6	1
9	Callwell	Dunstable	1-10	5	4
10	Contactzilla	Vancouver	1-10	5	3
11	Logical Office LTD	London	1-10	5	2
12	Bite Tech LTD	London	1-10	5	1
13	Rubi CRM	Leeds	1-10	4	3
14	Crm-Uk.com LTD	Banbury	1-10	4	2
15	The Engine Shed	n/a	11-50	3	2
16	Sellsio Software	Bath	11-50	3	1
17	Constructioncrm	Banbury	51-200	2	2
18	Trackpro LTD	Romford	1-10	2	2
19	Torteli & CO	London	1-10	2	1
20	Hummingbirdcrm	Cheshire	1-10	2	1
21	Time Assist	Birmingham	1-10	2	1
22	Mythic Software	Bournemouth	1-10	2	1
23	Upper Sigma	n/a	11-50	1	1
24	Captec Systems	Oxford	11-50	1	1
25	Canonbury Services	London	1-10	1	1

Showing 25 of 74 contact management software developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 60 reachable decision-makers.

Free account · no credit card

See all 74 companies

Contact management software developers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 17 HQs

16Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Contact management software developers by metro

Metro	Companies
Contact management software developers in London	17
Contact management software developers in Banbury	2
Contact management software developers in Twickenham	2
Contact management software developers in Liverpool	2
Contact management software developers in Newcastle-Under-Lyme	2
Contact management software developers in Walsall	1
Contact management software developers in Glasgow	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 “contact management software developers”, 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; 0 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 contact management software developers are there based in the United Kingdom?

There are 74 contact management software developers headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

WEB Alliance Limited, headquartered in Northampton, tops this list with the largest team on record.

Which city has the most contact management software developers?

London leads with 17 headquartered companies, followed by Banbury (2) and Twickenham (2).

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 60 verified decision-maker contacts tracked across these 74 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.

Ready to reach these companies? Verified emails and direct dials for all 74 contact management software developers based in the United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

Contact management software developers by geography

Browse the directory

Browse: Companies home · All United Kingdom lists · All Contact management software developers lists · New lists

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.