Company lists · Data refreshed September 2026

Top 25 Enterprise software modernization firms based in London, United Kingdom

Name: Enterprise software modernization firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 284 companies tracked

RevenueBase identified 284 company matches for enterprise software modernization firms associated with London, United Kingdom as of September 2026 and tracks 3,220 professional contacts across them, including 828 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for enterprise software modernization firms associated with London, 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

284Companies

3,220Contacts tracked

828Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest enterprise software modernization firms based in London, United Kingdom

Ranked by team size

Top 25 of 284 company matches for enterprise software modernization firms based in London, 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	Parser	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	242 contacts →
	Exact match “At Parser we help organisations deliver impact through technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	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
3	Opinov8	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	154 contacts →
	Exact match “Winner of the Best AI Company Award by The Netty Awards · Headquartered in London, powered by a worldwide team of engineers across Europe, Egypt, and the Americas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Infosight Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	121 contacts →
	Exact match “At Infosight, we architect the future of enterprises by engineering your digital core and activating the intelligence within.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Agilitz Technologies	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	80 contacts →
	Exact match “Agilitz Technologies leverages the full power of Microsoft ecosystem to transform the way organizations work and to improve their business performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Clurgo	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	76 contacts →
	Exact match “Clurgo empowers global enterprises and early ventures to deliver software at higher velocity and better quality.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	KLOIA	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	75 contacts →
	Exact match “Kloia is an AWS Premier Tier Services Partner that specializes in DevOps/Cloud, Application Modernization, Software Testing and Generative AI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	unipro.io	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	71 contacts →
	Exact match “Unipro is a bespoke software studio that creates custom solutions to solve the most complex digital transformation challenges, giving our clients unparalleled control and lasting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Validata Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	68 contacts →
	Exact match “Validata Group is an international company that empowers banks and financial services with continuous quality engineering, smart ‘progressive’ data migration and enterprise…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Gemba Advantage	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	59 contacts →
	Exact match “Gemba Advantage make high-impact software that is secure, scalable and sustainable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Runibex	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	59 contacts →
	Exact match “Runibex is a technology products company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	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
13	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
14	Devbox	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	52 contacts →
	Exact match “Devbox Technologies is a UK based company that specializes in providing services related to the development, testing, maintenance, and enhancement of software applications for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Elitex	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	51 contacts →
	Exact match “ELITEX is a custom software development company with a focus on UI Modernisation and DevOps.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Warrgyizmorsch	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	51 contacts →
	Exact match “Tailored ERP, CRM & SaaS that automates your operations and fuels measurable growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Cloudhouse	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	50 contacts →
	Exact match “Cloudhouse Change is the common root cause of failure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Pace Integration	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	47 contacts →
	Exact match “Pace Integration is a unique technology consultancy that solves your integration challenge – focused on enterprise systems integration strategy, architecture and design that is…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Xenith Document Systems	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	39 contacts →
	Exact match “We modernise device management, extract valuable data and improve document workflows.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Blackwater Tech	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “At Blackwater Tech, we help clients accelerate growth and improve performance through tailored technology solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Camwood	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	31 contacts →
	Exact match “Camwood: Igniting Enterprise Innovation for 25 Years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	The RAD Consulting Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	27 contacts →
	Exact match “RAD is a technology consultancy specialising in digital platform modernisation for property, retail and financial services organisations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Leapsight	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “We are an innovative software boutique consulting firm where extraordinary business insight meets technical excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Vthrive Solutions	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	25 contacts →
	Exact match “Welcome to VThrive Solutions, where your business takes center stage as we cater to your technological needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Coremaker	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “We are a software engineering studio, that helps large companies tackle innovation head-on.” 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 “enterprise software modernization firms”. 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 284 enterprise software modernization firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 828 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Enterprise software modernization firms based in London, United Kingdom at a glance

As of Sep 28, 2026

25.7%Verified-email coverage

11.3Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

126

11-50

106

51-200

201-500

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 284 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 London, United Kingdom whose business descriptions match “enterprise software modernization firms” 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 828 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.

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 “enterprise software modernization firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise software modernization firms are there based in London, United Kingdom?

RevenueBase identified 284 company matches for enterprise software modernization firms associated with London, 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?

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

Which city in the United Kingdom has the most enterprise software modernization firms?

London leads the United Kingdom with 284 company records, followed by Manchester (26) and Birmingham (12).

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 828 professional contacts with verified work emails tracked across these 284 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.

Ready to reach these companies? Verified emails and direct dials for all 284 enterprise software modernization firms based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Enterprise software modernization firms by geography

Browse the directory

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.