Company lists · Data verified August 2026

Top 25 Digital transformation consulting companies based in the United Kingdom

Name: Digital transformation 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 5,523 companies tracked

There are 5,523 digital transformation consulting companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 429,537 professional contacts across them, including 106,172 with verified work emails and 27,478 with mobile numbers. London is the largest hub.

This list covers digital transformation 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.

5,523Companies

429,537Contacts tracked

106,172Verified emails

27,478Mobile numbers

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The 25 largest digital transformation consulting companies based in the United Kingdom

Ranked by team size

Top 25 of 5,523 digital transformation 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	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	REPLY	London	10001+	3,778	1,344
7	Andersen LAB	London	1,001-5,000	3,609	1,152
8	Williams LEA	London	10001+	3,281	1,239
9	Ensono	Staines-Upon-Thames	1,001-5,000	3,246	1,963
10	Version 1	Newcastle Upon Tyne	1,001-5,000	3,198	1,990
11	Kaartech	Huddersfield	1,001-5,000	2,519	691
12	Gspann Technologies, INC	London	1,001-5,000	1,874	754
13	Sword Group	Aberdeen	1,001-5,000	1,747	982
14	Zühlke Group	London	1,001-5,000	1,580	909
15	BBD	London	1,001-5,000	1,220	485
16	Genisys Group	London	1,001-5,000	1,146	67
17	And Digital	London	1,001-5,000	1,048	487
18	Miratech	London	1,001-5,000	982	352
19	Advania UK	London	1,001-5,000	905	5
20	Sada, An Insight Company	Poole	10001+	872	139
21	Cognizant Life Sciences Manufacturing	Warrington	1,001-5,000	681	409
22	Agilisys	London	1,001-5,000	652	154
23	BIP Brasil	Londres	1,001-5,000	615	4
24	LS Digital Group	London	1,001-5,000	586	224
25	NOBLQ	London	1,001-5,000	468	52

Showing 25 of 5,523 digital transformation consulting companies based in the United Kingdom

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Digital transformation consulting companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 2588 HQs

27,478Contacts with mobile numbers

172Emails re-verified in last 30 days

Companies by employee count

1-10

3,417

11-50

1,366

51-200

485

201-500

109

501-1,000

1,001-5,000

10001+

Digital transformation consulting companies by metro

Metro	Companies
Digital transformation consulting companies in London	2588
Digital transformation consulting companies in Manchester	164
Digital transformation consulting companies in Birmingham	86
Digital transformation consulting companies in Leeds	77
Digital transformation consulting companies in Bristol	75
Digital transformation consulting companies in Glasgow	64
Digital transformation consulting companies in Edinburgh	58

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 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; 172 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 consulting companies are there based in the United Kingdom?

There are 5,523 digital transformation consulting 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 consulting companies?

London leads with 2588 headquartered companies, followed by Manchester (164) and Birmingham (86).

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 106,172 verified decision-maker contacts tracked across these 5,523 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.