Company lists · Data verified August 2026

Top 25 Data strategy consulting firms based in the United Kingdom

Name: Data strategy consulting firms 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 1,678 companies tracked

There are 1,678 data strategy consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 14,208 professional contacts across them, including 5,449 with verified work emails and 1,110 with mobile numbers. London is the largest hub.

This list covers data strategy consulting firms 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.

1,678Companies

14,208Contacts tracked

5,449Verified emails

1,110Mobile numbers

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The 25 largest data strategy consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 1,678 data strategy consulting firms 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	Gspann Technologies, INC	London	1,001-5,000	1,874	754
2	First Derivative	Newry	1,001-5,000	1,022	525
3	Putnam	London	201-500	401	239
4	Softwire	London	201-500	356	136
5	Elixirr Digital	Colchester	201-500	310	2
6	Seargin	London	501-1,000	275	188
7	Innova-Tsn	London	201-500	271	40
8	Vcreatek Consulting	Cardiff	201-500	245	64
9	The Information LAB	London	51-200	202	102
10	ELAIT	London	51-200	186	81
11	MTM	London	51-200	168	57
12	Cloudsmiths	London	51-200	150	8
13	Simpson Associates	York	51-200	116	70
14	Calligo	Leicester	201-500	111	68
15	Amber Labs	London	51-200	111	52
16	Curve Analytics	London	51-200	101	78
17	Oakland Everything Data	London	51-200	95	37
18	Valentia Partners	London	51-200	93	78
19	Groupbwt	London	51-200	92	7
20	Crafted	Ipswich	51-200	87	67
21	Tecknoworks	London	51-200	79	42
22	Stickyeyes	Leeds	201-500	78	36
23	Baseel Partners	London	1,001-5,000	78	26
24	Altius NOW Avanade	London	201-500	69	5
25	Bigspark	Nottingham	51-200	67	43

Showing 25 of 1,678 data strategy consulting firms based in the United Kingdom

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Data strategy consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 815 HQs

1,110Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

1,314

11-50

256

51-200

201-500

501-1,000

1,001-5,000

10001+

Data strategy consulting firms by metro

Metro	Companies
Data strategy consulting firms in London	815
Data strategy consulting firms in Manchester	45
Data strategy consulting firms in Edinburgh	30
Data strategy consulting firms in Leeds	21
Data strategy consulting firms in Birmingham	18
Data strategy consulting firms in Oxford	17
Data strategy consulting firms in Bristol	15

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 strategy consulting firms”, 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; 8 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 strategy consulting firms are there based in the United Kingdom?

There are 1,678 data strategy consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Gspann Technologies, INC, headquartered in London, tops this list with the largest team on record.

Which city has the most data strategy consulting firms?

London leads with 815 headquartered companies, followed by Manchester (45) and Edinburgh (30).

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 5,449 verified decision-maker contacts tracked across these 1,678 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.