Company lists · Data refreshed September 2026

Top 24 Custom business software developers based in London, United Kingdom

Name: Custom business software 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 9, 2026 292 companies tracked

RevenueBase identified 292 company matches for custom business software developers associated with London, United Kingdom as of September 2026 and tracks 2,436 professional contacts across them, including 410 with verified work emails and 61 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for custom business software 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 9, 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 9, 2026 How this list was built

292Companies

2,436Contacts tracked

410Verified emails

61Mobile numbers

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The 24 largest custom business software developers based in London, United Kingdom

Ranked by team size

Top 24 of 292 company matches for custom business software developers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 9, 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	kpi.com	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	87 contacts →
	Exact match “KPI is an all-in-one business solution providing: Accounting, Payroll, Sales, Human Resources, Project Management, Report and Document applications all in one platform according…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
2	3i-Vision	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	60 contacts →
	Exact match “3i-Vision company was Founded in 2012, 3i-Vision is a provider of IT consulting services and custom software development with IT professionals.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
3	Enapps LTD	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	51 contacts →
	Exact match “Enapps is a modern ERP solution designed for small and medium-sized businesses that need a system as dynamic as they are.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
4	Warrgyizmorsch	Exact match	London, United KingdomHQ recorded Sep 9, 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 9, 2026 · View company records in RevenueBase
5	SKO Systems	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	45 contacts →
	Exact match “At SKO Systems, we engineer enterprise-grade software ecosystems designed for the unique, high-stakes realities of the maritime environment.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
6	Crown Interactive Limited	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	39 contacts →
	Exact match “Crown Interactive is a technology Software Solution Company with its head office in Lagos, Nigeria.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
7	Equisys	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	37 contacts →
	Exact match “Equisys produce Zetadocs: AP automation, expense management and document management solutions for Microsoft Dynamics 365 Business Central (with expense management available for…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
8	Hicom Technology Limited	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	36 contacts →
	Exact match “With 30 years' experience we offer a wide array of solutions and services to meet your business objectives and expectations.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
9	Saqaya	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	36 contacts →
	Exact match “At SAQAYA, we grow businesses by engineering technology that customers love!” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
10	CODIS	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	34 contacts →
	Exact match “Codis are a successful and well established business software developer.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
11	Blackwater Tech	Exact match	London, United KingdomHQ recorded Sep 9, 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 9, 2026 · View company records in RevenueBase
12	Softelegance	Exact match	London, United KingdomHQ recorded Sep 9, 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 9, 2026 · View company records in RevenueBase
13	Goggle Software LTD	Exact match	London, United KingdomHQ recorded Sep 9, 2026	1-10	29 contacts →
	Exact match “We build bespoke job management and CRM systems for construction and field service businesses.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
14	Vthrive Solutions	Exact match	London, United KingdomHQ recorded Sep 9, 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 9, 2026 · View company records in RevenueBase
15	Brilino Solutions Private Limited	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	24 contacts →
	Exact match “BRILINO SOLUTIONS is a high end business application development company providing bespoke business solutions for enterprise customers.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
16	Aulysius	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	24 contacts →
	Exact match “Aulysius is an information technology consultancy and solution provider.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
17	E9 Internet Company	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	22 contacts →
	Exact match “WE ARE HIRING - hr@e9.co.uk Building Technology Around Clients Not Clients around Technology.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
18	Webmagic	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	17 contacts →
	Exact match “We build custom business software and web and mobile applications that reduce manual work and improve day-to-day operations.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
19	Capvyuh Technology Limited	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	16 contacts →
	Exact match “Capvyuh is a global Microsoft Partner and business solutions company helping organisations modernise operations, improve efficiency, and accelerate growth through intelligent…” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
20	7fc LLP	Exact match	London, United KingdomHQ recorded Sep 9, 2026	51-200	14 contacts →
	Exact match “7FC LLP - Digital Business ERP Transformation Consultants and software house.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
21	Digitalworks	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	13 contacts →
	Exact match “Digital Works is a digital and software development company.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
22	Astra Global Services LTD	Exact match	London, United KingdomHQ recorded Sep 9, 2026	1-10	13 contacts →
	Exact match “Astra Global Services Limited is a software development and consulting company based in UK.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
23	Icefyre Solutions	Exact match	London, United KingdomHQ recorded Sep 9, 2026	11-50	12 contacts →
	Exact match “Simplifying and optimizing your work since 2017.” Recorded in the RevenueBase company graph · Sep 9, 2026 · View company records in RevenueBase
24	ZED Consulting	Exact match	London, United KingdomHQ recorded Sep 9, 2026	1-10	11 contacts →
	Exact match “zedConsulting is a UK-based boutique consulting firm.” Recorded in the RevenueBase company graph · Sep 9, 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 “custom business software 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 292 custom business software developers based in London, United Kingdom

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Custom business software developers based in London, United Kingdom at a glance

As of Sep 9, 2026

16.8%Verified-email coverage

2.5%Mobile-number coverage

8.3Average contacts per company

1-10Median size (employees)

Sep 9, 2026Page data refreshed

Companies by employee count

1-10

154

11-50

51-200

201-500

501-1,000

5,001-10,000

Freshness & accuracy

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

Email last verified

Median 12.0d

3660–30

4231–60

061–90

190–180

1180+

Company record updated

Median 72.0d

00–30

1,12931–60

93361–90

23590–180

139180+

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 “custom business software 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 410 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 9, 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.

Custom business software developers by metro in the United Kingdom

Custom business software developers in Manchester35

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 “custom business software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom business software developers are there based in London, United Kingdom?

RevenueBase identified 292 company matches for custom business software 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?

kpi.com 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 custom business software developers?

London leads the United Kingdom with 286 company records, followed by Manchester (35) and Birmingham (22).

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 410 professional contacts with verified work emails tracked across these 292 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 9, 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.