Company lists · Data verified August 2026

Top 25 Data as a service companies based in the United Kingdom

Name: Data as a service 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 156 companies tracked

There are 156 data as a service companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 4,172 professional contacts across them, including 1,251 with verified work emails and 504 with mobile numbers. London is the largest hub.

This list covers data as a service 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.

156Companies

4,172Contacts tracked

1,251Verified emails

504Mobile numbers

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The 25 largest data as a service companies based in the United Kingdom

Ranked by team size

Top 25 of 156 data as a service 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	Mobius Knowledge Services	London	501-1,000	1,434	60
2	Couchbase	Manchester	501-1,000	909	472
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	Aker Systems	Bicester	51-200	113	78
4	Calligo	Leicester	201-500	111	68
5	Yellowbrick Data	London	201-500	108	75
6	WONDE	Newmarket	51-200	94	70
7	Xiatech	London	51-200	93	46
8	Seriös Group	Newcastle Upon Tyne	51-200	64	45
9	Ovation Data	Cray	51-200	55	16
10	Elevondata	London	51-200	52	38
11	ETL	Menai	11-50	42	8
12	Ometis Limited	London	11-50	39	33
13	Chisl Group	London	11-50	33	25
14	kleene.ai	London London	51-200	30	17
15	The Data Company	Rickmansworth	11-50	27	16
16	Engine AI	London	11-50	27	16
17	Datitude	Amersham	11-50	20	9
18	Anaeko	Belfast	51-200	19	12
19	Cervus	Bristol	11-50	18	4
20	Miso Portal	Birmingham	11-50	15	11
21	Bird Analytics	Westcroft	11-50	15	5
22	Thinkdata Works	London	51-200	14	7
23	DOT Group	London	11-50	13	11
24	Quantum Digital Technologies	Milton Keynes	201-500	13	2
25	Bellrock Technology LTD	Glasgow	11-50	12	5

Showing 25 of 156 data as a service companies based in the United Kingdom

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Data as a service companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 74 HQs

504Contacts with mobile numbers

12Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Data as a service companies by metro

Metro	Companies
Data as a service companies in London	74
Data as a service companies in Leeds	4
Data as a service companies in Birmingham	3
Data as a service companies in Manchester	3
Data as a service companies in Bristol	3
Data as a service companies in Milton Keynes	3
Data as a service companies in Bracknell	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 “data as a service 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; 12 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 data as a service companies are there based in the United Kingdom?

There are 156 data as a service companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Mobius Knowledge Services, headquartered in London, tops this list with the largest team on record.

Which city has the most data as a service companies?

London leads with 74 headquartered companies, followed by Leeds (4) and Birmingham (3).

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 1,251 verified decision-maker contacts tracked across these 156 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.