Company lists · Data verified August 2026

Top 25 Digital transformation companies based in the United Kingdom

Name: Digital transformation 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 8,112 companies tracked

There are 8,112 digital transformation companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 506,864 professional contacts across them, including 129,546 with verified work emails and 34,583 with mobile numbers. London is the largest hub.

This list covers digital transformation 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.

8,112Companies

506,864Contacts tracked

129,546Verified emails

34,583Mobile numbers

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The 25 largest digital transformation companies based in the United Kingdom

Ranked by team size

Top 25 of 8,112 digital transformation 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	Tech Mahindra	Milton Keynes	10001+	138,625	21,414
2	WNS	London	10001+	46,619	10,039
3	Mphasis	London	10001+	43,740	6,968
4	Sopra Steria	Edinburgh	10001+	37,387	16,784
5	Persistent Systems	Chertsey	10001+	27,186	10,549
6	ITC Infotech	London	10001+	16,896	4,111
7	REPLY	London	10001+	3,778	1,344
8	Andersen LAB	London	1,001-5,000	3,609	1,152
9	Williams LEA	London	10001+	3,281	1,239
10	Ensono	Staines-Upon-Thames	1,001-5,000	3,246	1,963
11	Version 1	Newcastle Upon Tyne	1,001-5,000	3,198	1,990
12	Kainos	Derry	1,001-5,000	2,956	1,956
13	Kaartech	Huddersfield	1,001-5,000	2,519	691
14	Gspann Technologies, INC	London	1,001-5,000	1,874	754
15	Sword Group	Aberdeen	1,001-5,000	1,747	982
16	Zühlke Group	London	1,001-5,000	1,580	909
17	BBD	London	1,001-5,000	1,220	485
18	Puresoftware LTD	Court	1,001-5,000	1,186	514
19	Genisys Group	London	1,001-5,000	1,146	67
20	BJSS	Nottingham	1,001-5,000	1,076	660
21	And Digital	London	1,001-5,000	1,048	487
22	First Derivative	Newry	1,001-5,000	1,022	525
23	Advania UK	London	1,001-5,000	905	5
24	Sada, An Insight Company	Poole	10001+	872	139
25	Nasstar	Wakefield	1,001-5,000	841	381

Showing 25 of 8,112 digital transformation companies based in the United Kingdom

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Digital transformation companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 3560 HQs

34,583Contacts with mobile numbers

229Emails re-verified in last 30 days

Companies by employee count

1-10

4,660

11-50

2,224

51-200

790

201-500

188

501-1,000

1,001-5,000

10001+

Digital transformation companies by metro

Metro	Companies
Digital transformation companies in London	3560
Digital transformation companies in Manchester	233
Digital transformation companies in Birmingham	137
Digital transformation companies in Leeds	106
Digital transformation companies in Bristol	99
Digital transformation companies in Glasgow	95
Digital transformation companies in Reading	83

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 “digital transformation 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; 229 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 digital transformation companies are there based in the United Kingdom?

There are 8,112 digital transformation companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Tech Mahindra, headquartered in Milton Keynes, tops this list with the largest team on record.

Which city has the most digital transformation companies?

London leads with 3560 headquartered companies, followed by Manchester (233) and Birmingham (137).

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 129,546 verified decision-maker contacts tracked across these 8,112 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.