Company lists · Data refreshed September 2026

Top 24 SaaS platform developers based in London, United Kingdom

Name: SaaS platform developers based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 89 companies tracked

RevenueBase identified 89 company matches for SaaS platform developers associated with London, United Kingdom as of September 2026 and tracks 604 professional contacts across them, including 133 with verified work emails and 25 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for SaaS platform developers 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 13, 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 13, 2026 How this list was built

89Companies

604Contacts tracked

133Verified emails

25Mobile numbers

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The 24 largest SaaS platform developers based in London, United Kingdom

Ranked by team size

Top 24 of 89 company matches for SaaS platform developers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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	Hornbill	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	85 contacts →
	Exact match “Hornbill is an innovator of cloud-based business collaboration technology and applications that engage teams, optimise operations and deliver better customer experiences.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	Optimiser	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	57 contacts →
	Exact match “Optimiser is a fully configurable business intelligence ecosystem that helps organisations manage relationships, operations, workflows, communications, and commercial activities…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	Ascendx	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	22 contacts →
	Exact match “An enterprise cloud software company that helps teams solve their problems by boosting productivity and transforming tech stacks on CRM platforms such as Salesforce, Dynamics 365…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4	Itouchvision	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	22 contacts →
	Exact match “iTouchVision is one of the world's leading cloud-based service providers with innovation & excellence at its base.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Robosme	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	15 contacts →
	Exact match “Robosme - CRM to Win Easy to use cloud CRM that automates your business and benefits every process you touch the customer.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6	AIRPA	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	10 contacts →
	Exact match “AIRPA brings together market-leading apps and processes, covering all of your business functions, and connecting them under one integrated, intuitive platform.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	Octasys	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	9 contacts →
	Exact match “Octasys is a dynamic software company that specializes in creating innovative products to meet the ever-changing needs of businesses and consumers.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Smarty Software	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	9 contacts →
	Exact match “Smarty Software is a SaaS company based in the City of London, which mainly provides cloud accounting and cloud CRM solution services.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Customeros	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	8 contacts →
	Exact match “A proactive CRM designed for modern SaaS.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	Zigaflow	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	7 contacts →
	Exact match “At Zigaflow, we're on a mission to make your business growth inevitable.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	Entranet Cloud Platform	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	7 contacts →
	Exact match “Entranet, is a pioneering Cloud ERP Solution dedicated to delivering business applications over the internet.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12	Infini Corporation	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	6 contacts →
	Exact match “Infini is an app development company, delivering bespoke SaaS solutions to SME's and enterprise clients.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	Rocketvan	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	5 contacts →
	Exact match “We are a multi-skilled team with bases in London and Barcelona with the one-focused mission of creating transformative SaaS & Web App platforms.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	Cloud 9 Assist LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	4 contacts →
	Exact match “Cloud 9 Assist Ltd develop a wide range of hosted online applications for businesses encompassing areas such as CRM, Order Processing, Project Management, Helpdesk, Expense Forms…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	Shoonyata	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	4 contacts →
	Exact match “Shoonyata's mission is to make power of innovation and software affordable to all.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16	Omnibyte Technologies	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	4 contacts →
	Exact match “Omnibyte Technologies is a UK-based software development company specialising in SaaS solutions and custom software development.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17	allin1.app	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	3 contacts →
	Exact match “About allin1.app In today's fast-paced digital landscape, businesses require more than just tools; they need comprehensive solutions that evolve with their needs.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18	Bluespidy	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	3 contacts →
	Exact match “BlueSpidy Social Office is a single sign-on web-based application delivering tools for SMEs to manage customers, sales and suppliers, people, products and projects, documents…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19	Samewave	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	3 contacts →
	Exact match “We are a new breed of business management software that banishes bad meetings, increases productivity & drives your business forward.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20	ABCUM	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	2 contacts →
	Exact match “Abcum is a tech company which focuses on the development of software-as-a-service applications for businesses - catering for enterprises, member organisations, associations, and…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
21	TIGIN	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “We're focused on bringing SaaS to market.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
22	Expino Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “Expino Limited is a company founded in 2017 which focuses on cloud based products mainly in SaaS model.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23	Chirambattu Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “Chirambattu is motivated by the belief that great experiences build great businesses.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24	Synmek LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “Building powerful, scalable SaaS & Web Apps At Synmek, we partner with startups, small businesses, and B2B teams to design and develop custom digital products that scale.” Recorded in the RevenueBase company graph · Sep 13, 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 “SaaS platform developers”. 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 24 of 89 SaaS platform developers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 133 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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SaaS platform developers based in London, United Kingdom at a glance

As of Sep 13, 2026

22.0%Verified-email coverage

4.1%Mobile-number coverage

6.8Average contacts per company

1-10Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 16.0d

1130–30

1831–60

261–90

090–180

0180+

Company record updated

Median 75.0d

00–30

21231–60

27761–90

9490–180

21180+

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 “SaaS platform developers” 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 133 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 13, 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 platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SaaS platform developers are there based in London, United Kingdom?

RevenueBase identified 89 company matches for SaaS platform developers 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?

Hornbill 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 SaaS platform developers?

London leads the United Kingdom with 91 company records, followed by Manchester (6) and Bristol (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 133 professional contacts with verified work emails tracked across these 89 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 13, 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.