Company lists · Data verified August 2026

Top 25 Data science consulting companies based in the United Kingdom

Name: Data science consulting 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 990 companies tracked

There are 990 data science consulting companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 8,825 professional contacts across them, including 2,929 with verified work emails and 538 with mobile numbers. London is the largest hub.

This list covers data science consulting 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.

990Companies

8,825Contacts tracked

2,929Verified emails

538Mobile numbers

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The 25 largest data science consulting companies based in the United Kingdom

Ranked by team size

Top 25 of 990 data science consulting 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	Softwire	London	201-500	356	136
2	4most	London	201-500	271	182
3	Innova-Tsn	London	201-500	271	40
4	Vcreatek Consulting	Cardiff	201-500	245	64
5	Thorogood	London	201-500	228	36
6	Quantco	London	201-500	226	180
7	The Information LAB	London	51-200	202	102
8	ELAIT	London	51-200	186	81
9	Cloudsmiths	London	51-200	150	8
10	Dufrain	Edinburgh	51-200	118	95
11	Simpson Associates	York	51-200	116	70
12	Calligo	Leicester	201-500	111	68
13	Amber Labs	London	51-200	111	52
14	Oakland Everything Data	London	51-200	95	37
15	Groupbwt	London	51-200	92	7
16	Singulier	London	51-200	79	50
17	Tecknoworks	London	51-200	79	42
18	Bigspark	Nottingham	51-200	67	43
19	Seriös Group	Newcastle Upon Tyne	51-200	64	45
20	Tekcor4	London	51-200	61	45
21	Profusion	London	51-200	54	23
22	Marionete	London	51-200	53	26
23	Elevondata	London	51-200	52	38
24	QA Consulting	Berkshire	201-500	51	4
25	Aptitude Global	London	51-200	50	36

Showing 25 of 990 data science consulting companies based in the United Kingdom

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Data science consulting companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 487 HQs

538Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

707

11-50

205

51-200

201-500

1,001-5,000

10001+

Data science consulting companies by metro

Metro	Companies
Data science consulting companies in London	487
Data science consulting companies in Manchester	40
Data science consulting companies in Leeds	17
Data science consulting companies in Glasgow	12
Data science consulting companies in Bristol	12
Data science consulting companies in Oxford	11
Data science consulting companies in Edinburgh	11

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 science consulting 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; 9 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 science consulting companies are there based in the United Kingdom?

There are 990 data science consulting companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most data science consulting companies?

London leads with 487 headquartered companies, followed by Manchester (40) and Leeds (17).

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 2,929 verified decision-maker contacts tracked across these 990 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.