Company lists · Data verified August 2026

Top 25 Enterprise application modernization firms based in the United Kingdom

Name: Enterprise application modernization 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 357 companies tracked

There are 357 enterprise application modernization firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 102,115 professional contacts across them, including 25,248 with verified work emails and 8,361 with mobile numbers. London is the largest hub.

This list covers enterprise application modernization 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.

357Companies

102,115Contacts tracked

25,248Verified emails

8,361Mobile numbers

Unlock all 357 companies Free account · no credit card · 2 minutes

The 25 largest enterprise application modernization firms based in the United Kingdom

Ranked by team size

Top 25 of 357 enterprise application modernization 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	Mphasis	London	10001+	43,740	6,968
2	Persistent Systems	Chertsey	10001+	27,186	10,549
3	IGT Solutions	London	10001+	14,674	1,480
4	Andersen LAB	London	1,001-5,000	3,609	1,152
5	Ensono	Staines-Upon-Thames	1,001-5,000	3,246	1,963
6	BBD	London	1,001-5,000	1,220	485
7	Indus NET Technologies INT	London	501-1,000	1,065	259
8	Sourcefuse	London	501-1,000	669	288
9	Ahana Systems And Solutions Pvt. LTD	London	501-1,000	645	183
10	Node4	London	1,001-5,000	624	480
11	Acuvate	London	201-500	541	258
12	Excelencia	London	201-500	377	122
13	Biztech Consulting & Solutions	Ruislip Ruislip	201-500	317	10
14	Cintra The Multi-Cloud Database Architects	Glasgow	51-200	184	116
15	Qbrainx INC	London	201-500	181	17
16	Codurance	London	201-500	171	74
17	Intagleo Systems	Slough	51-200	136	6
18	Redfaire	Reading	51-200	118	7
19	Mechanical Orchard	n/a	51-200	115	59
20	Wohlig	London	51-200	99	16
21	Merixstudio	Bristol	51-200	84	69
22	Retter	London	51-200	80	30
23	Linksoft Technologies	Islington	51-200	70	23
24	Indglobal Digital Private Limited	Uk	51-200	69	2
25	Practicevantage Consulting	London	51-200	64	24

Showing 25 of 357 enterprise application modernization firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 25,248 reachable decision-makers.

Free account · no credit card

See all 357 companies

Enterprise application modernization firms based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 154 HQs

8,361Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

171

11-50

122

51-200

201-500

501-1,000

1,001-5,000

10001+

Enterprise application modernization firms by metro

Metro	Companies
Enterprise application modernization firms in London	154
Enterprise application modernization firms in Manchester	14
Enterprise application modernization firms in Birmingham	10
Enterprise application modernization firms in Reading	7
Enterprise application modernization firms in Leeds	7
Enterprise application modernization firms in Milton Keynes	5
Enterprise application modernization firms in Watford	4

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 “enterprise application modernization 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; 0 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 enterprise application modernization firms are there based in the United Kingdom?

There are 357 enterprise application modernization firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most enterprise application modernization firms?

London leads with 154 headquartered companies, followed by Manchester (14) and Birmingham (10).

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 25,248 verified decision-maker contacts tracked across these 357 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.

Ready to reach these companies? Verified emails and direct dials for all 357 enterprise application modernization firms based in the United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

Enterprise application modernization firms by geography

Browse the directory

Browse: Companies home · All United Kingdom lists · All Enterprise application modernization firms lists · New lists

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.