Company lists · Data refreshed September 2026

Top 8 SaaS product modernization companies based in the United Kingdom

RevenueBase identified 35 company matches for SaaS product modernization companies associated with the United Kingdom as of September 2026 and tracks 123 professional contacts across them, including 21 with verified work emails. London is the largest hub.

This list covers company matches for SaaS product 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 21, 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 21, 2026 How this list was built
35Companies
123Contacts tracked
21Verified emails
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The 8 largest SaaS product modernization companies based in the United Kingdom

Ranked by team size
Top 8 of 35 company matches for SaaS product modernization companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLeicester, United KingdomHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“SparkTech is an engineering partner for SaaS startups that outgrow their MVP.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“Novacept is a product based SaaS company that has a team of pioneers and industry experts come together to address organisation’s real world problems.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Turn your business expertise into a tech product you sell over and over.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchGuildford, United KingdomHQ recorded Sep 21, 20261-105 contacts →

Exact match

“A Software As A Services company providing microservices that will power your business now and into the future.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchRedhill, United KingdomHQ recorded Sep 21, 202611-503 contacts →

Exact match

“SaaS XPRT – AI for Better SaaS by XPRT is a full-service SaaS company that combines forward-thinking research, proprietary technology, and creative services to execute custom…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchEdinburgh, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Expert product design and improvement support for software companies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Nixilla Ltd provides software engineering and technical consulting services for SMEs and growing businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-101 contacts →

Exact match

“Got some C code written 20 years ago to run on AIX?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 8 of 35 SaaS product modernization companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 21 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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SaaS product modernization companies based in the United Kingdom at a glance

As of Sep 21, 2026
17.1%Verified-email coverage
3.5Average contacts per company
1-10Median size (employees)
45.7%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
8

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 35 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 “SaaS product 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 21 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 21, 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 “SaaS product modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SaaS product modernization companies are there based in the United Kingdom?

RevenueBase identified 35 company matches for SaaS product 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?

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

Which city has the most SaaS product modernization companies?

London leads with 16 company records, followed by Newcastle Upon Tyne (3) and Belfast (1).

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 21 professional contacts with verified work emails tracked across these 35 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 21, 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.