Company lists · Data verified August 2026

Top 25 Collaborative work management platforms based in the United Kingdom

Name: Collaborative work management platforms 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 174 companies tracked

There are 174 collaborative work management platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 5,356 professional contacts across them, including 2,781 with verified work emails and 1,716 with mobile numbers. London is the largest hub.

This list covers collaborative work management platforms 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.

174Companies

5,356Contacts tracked

2,781Verified emails

1,716Mobile numbers

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The 25 largest collaborative work management platforms based in the United Kingdom

Ranked by team size

Top 25 of 174 collaborative work management platforms 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	Smartsheet	London	1,001-5,000	3,810	2,219
2	Onlyoffice	London	51-200	125	2
3	Ziflow	London	51-200	109	65
4	Screendragon	n/a	51-200	82	64
5	4ps By Hilti - UK	Birmingham	51-200	59	42
6	APHEX	London	51-200	57	28
7	Zeplin	London	51-200	57	16
8	Silversoft	London	51-200	46	29
9	Bubble PPM Software	London	51-200	38	15
10	Teamform	Kingstonuponthames	11-50	27	19
11	Kolekti	London	51-200	26	11
12	Atarim	London	11-50	25	11
13	VERTO	Reading	11-50	24	13
14	Resource Guru	Remote	11-50	23	13
15	Elixir Software LTD	Macclesfield	11-50	22	11
16	Prism Energy	Aberdeen	11-50	21	16
17	Procim	London	11-50	21	13
18	Bpower2	London	11-50	21	10
19	Brand IQ	Hertford	11-50	20	10
20	Bestoutcome	Gerrards Cross Bucks	11-50	19	13
21	Humble AI	London	11-50	17	5
22	Firstclass	Beaconsfield	1,001-5,000	17	2
23	Timebook INC	London	11-50	17	1
24	Gekko Applied Drilling Intelligence	London	11-50	16	11
25	Kahootz	Weston	11-50	15	11

Showing 25 of 174 collaborative work management platforms based in the United Kingdom

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Collaborative work management platforms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 86 HQs

1,716Contacts with mobile numbers

14Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Collaborative work management platforms by metro

Metro	Companies
Collaborative work management platforms in London	86
Collaborative work management platforms in Manchester	5
Collaborative work management platforms in Birmingham	2
Collaborative work management platforms in Wakefield	2
Collaborative work management platforms in Market Harborough	2
Collaborative work management platforms in Weston	2
Collaborative work management platforms in Southport	2

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 “collaborative work management platforms”, 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; 14 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 collaborative work management platforms are there based in the United Kingdom?

There are 174 collaborative work management platforms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most collaborative work management platforms?

London leads with 86 headquartered companies, followed by Manchester (5) and Birmingham (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 2,781 verified decision-maker contacts tracked across these 174 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.