Company lists · Data refreshed September 2026

Top 25 Legacy industrial software modernization companies based in the United Kingdom

Name: Legacy industrial software modernization companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 210 companies tracked

RevenueBase identified 210 company matches for legacy industrial software modernization companies associated with the United Kingdom as of September 2026 and tracks 2,827 professional contacts across them, including 1,343 with verified work emails. London is the largest hub.

This list covers company matches for legacy industrial software modernization companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

210Companies

2,827Contacts tracked

1,343Verified emails

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The 25 largest legacy industrial software modernization companies based in the United Kingdom

Ranked by team size

Top 25 of 210 company matches for legacy industrial software modernization companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Forterro	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	385 contacts →
	Exact match “Founded in 2012, Forterro has grown to become a category leader software solutions for the industrial market – with strongholds in Europe’s top production economies, as well as…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Capula	Exact match	Stone, United KingdomHQ recorded Sep 28, 2026	201-500	351 contacts →
	Exact match “What we do \| With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	ITI Group	Exact match	Sheffield, United KingdomHQ recorded Sep 28, 2026	201-500	234 contacts →
	Exact match “For organisations facing the compounding threats of ageing assets, a retiring workforce, and evolving cyber attacks, the status quo is no longer an option.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Codurance	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	176 contacts →
	Exact match “For over 13 years, Codurance has helped businesses and their boards solve complex software challenges, often the ones that have resisted previous attempts and now carry real…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Macro 4	Exact match	Crawley, United KingdomHQ recorded Sep 28, 2026	201-500	134 contacts →
	Exact match “Macro 4, a division of UNICOM Global, provides software solutions for customer communications, information management, application decommissioning, mainframe modernization and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Infoteck Solutions	Exact match	Holborn, United KingdomHQ recorded Sep 28, 2026	51-200	72 contacts →
	Exact match “Infoteck Solutions: Empowering Integration and Automation Welcome to Infoteck Solutions, your trusted partner in seamless integration and efficient automation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Denca Controls LTD	Exact match	Widnes, United KingdomHQ recorded Sep 28, 2026	51-200	66 contacts →
	Exact match “Renowned across numerous sectors as 'the systems integrator of choice', we have built a reputation on delivering high quality, value-for-money solutions that enhance production…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Codex Software	Exact match	Cirencester, United KingdomHQ recorded Sep 28, 2026	51-200	63 contacts →
	Exact match “Codex makes software simple, strategic, and reliable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Estafet	Exact match	Richmond, United KingdomHQ recorded Sep 28, 2026	51-200	56 contacts →
	Exact match “At Estafet, we don’t just optimize processes - we revolutionize how enterprises operate.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Diegesis Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	52 contacts →
	Exact match “Diegesis is a business technology and IT systems integration company that specialises in Decision Support Solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Turintech AI	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	52 contacts →
	Exact match “At TurinTech, we deliver AI-driven solutions that transform the code and data you have into the optimized, production-ready solutions you need.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Simkiss Control Systems LTD	Exact match	Middleton, United KingdomHQ recorded Sep 28, 2026	51-200	47 contacts →
	Exact match “Simkiss Control Systems, part of United Infrastructure Group, is a trusted name in the field of industrial automation and control systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Propel Tech	Exact match	Wakefield, United KingdomHQ recorded Sep 28, 2026	51-200	36 contacts →
	Exact match “As experts across new and legacy technologies we make possibilities happen to move business forward.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Servelec Controls	Exact match	Sheffield, United KingdomHQ recorded Sep 28, 2026	51-200	33 contacts →
	Exact match “Servelec Controls develops and integrates bespoke mission-critical systems for national infrastructure by bringing together specialist hardware, software and world-class…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Flynet	Exact match	Burwell, United KingdomHQ recorded Sep 28, 2026	11-50	32 contacts →
	Exact match “Since 1995 Flynet have been building some of the industry's most sophisticated web based solutions for Mainframe, Unix, IBM i, VMS, VAX and MultiValue systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Softelegance	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	30 contacts →
	Exact match “Founded in 1993, SoftElegance is a custom software development company that has been providing reliable services for implementation of SaaS systems, sophisticated business…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Harford Control LTD	Exact match	Trowbridge, United KingdomHQ recorded Sep 28, 2026	11-50	28 contacts →
	Exact match “Harford turns data into actionable information, to drive your continuous improvement.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Opensoft Systems LTD	Exact match	Knaresborough, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Opensoft Systems specialises in providing tailored automation systems to industrial market sectors across the globe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Cipher Labz	Exact match	Welwyn Garden City, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Proven success with a multitude of Benefits for Businesses through Modern and Technologically advanced solutions that enhance your entire mechanism in a truly unique way.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Transicon Limited	Exact match	Telford, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “Design.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	CETIX	Exact match	Rotherham, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “Cetix is an independent systems integrator and a proud member of the Ulmatec Group, with over 30 years' experience supplying industrial control systems and services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Incontrol Systems Limited	Exact match	Barlborough, United KingdomHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “InControl Systems have been providing solutions for process control, automation and information systems since From consultation and conception through to design, implementation…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Like Technologies	Exact match	Halton, United KingdomHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “Like Technologies are specialists in industrial systems, specifically obsolete/legacy control systems and electronics.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Jemmac Software LTD	Exact match	Cranfield, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “Overview: Jemmac provide software design and development services for a range of industries including Oil & Petrochemicals, Refining, Fleet Telematics, Office Services and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Styletech Solutions Limited	Exact match	Hessle, United KingdomHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “At StyleTech, we specialise in bespoke software that’s built around your business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “legacy industrial software modernization companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 210 legacy industrial software modernization companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,343 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy industrial software modernization companies based in the United Kingdom at a glance

As of Sep 28, 2026

47.5%Verified-email coverage

13.5Average contacts per company

1-10Median size (employees)

20.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

129

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 210 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “legacy industrial software modernization companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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: Every displayed company carries at least one verified work email. RevenueBase tracks 1,343 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Legacy industrial software modernization companies by metro

Legacy industrial software modernization companies in London43

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “legacy industrial software modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy industrial software modernization companies are there based in the United Kingdom?

RevenueBase identified 210 company matches for legacy industrial software modernization companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Forterro tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most legacy industrial software modernization companies?

London leads with 43 company records, followed by Sheffield (6) and Glasgow (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,343 professional contacts with verified work emails tracked across these 210 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.