Company lists · Data refreshed September 2026

Top 25 Bespoke software development companies based in the United Kingdom

Name: Bespoke software development 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 23, 2026 4,995 companies tracked

RevenueBase identified 4,995 bespoke software development companies headquartered in the United Kingdom as of September 2026 and tracks 36,419 professional contacts across them, including 7,503 with verified work emails and 1,746 with mobile numbers. London is the largest hub.

This list covers bespoke software development companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 23, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 23, 2026 86% judged on-target in blind review

4,995Companies

36,419Contacts tracked

7,503Verified emails

1,746Mobile numbers

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The 25 largest bespoke software development companies based in the United Kingdom

Ranked by team size

Top 25 of 4,995 bespoke software development companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to bespoke software development companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Dotsquares	Indirect evidence	London, United KingdomHQ checked Sep 23, 2026	501-1,000	1,581 contacts →
	Indirect evidence “We leverage the latest web and mobile technologies to build, grow and support your business.” Source: RevenueBase Database · checked Sep 23, 2026
2	Amdaris	Strong evidence	Bristol, United KingdomHQ checked Sep 23, 2026	501-1,000	988 contacts →
	Strong evidence “Amdaris, an Insight Company delivers innovative Software Development, Product Design, Digital Transformation, Application Support and Consultancy Services from our UK headquarters…” Source: RevenueBase Database · checked Sep 23, 2026
3	Mindera	Indirect evidence	Leicester, United KingdomHQ checked Sep 23, 2026	1,001-5,000	944 contacts →
	Indirect evidence “Mindera is a global consulting and engineering company with 1100+ people, delivering technology solutions across 9 locations, from Brazil to Australia.” Source: RevenueBase Database · checked Sep 23, 2026
4	SENLA	Partial evidence	London, United KingdomHQ checked Sep 23, 2026	501-1,000	515 contacts →
	Partial evidence “In 2012, SENLA set out with a vision: to transform people's lives with exceptional software.” Source: RevenueBase Database · checked Sep 23, 2026
5	Scott Logic	Partial evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 23, 2026	201-500	383 contacts →
	Partial evidence “At Scott Logic, we design and build software that transforms the performance of some of the world’s biggest and most demanding organisations.” Source: RevenueBase Database · checked Sep 23, 2026
6	Apadmi	Indirect evidence	Salford Quays, United KingdomHQ checked Sep 23, 2026	201-500	314 contacts →
	Indirect evidence “Apadmi is a leading specialist mobile consultancy.” Source: RevenueBase Database · checked Sep 23, 2026
7	KRIFY	Partial evidence	London, United KingdomHQ checked Sep 23, 2026	51-200	221 contacts →
	Partial evidence “Krify is a results-driven technology company specializing in crafting user-centric mobile apps, web applications, and software solutions.” Source: RevenueBase Database · checked Sep 23, 2026
8	Leighton	Strong evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 23, 2026	51-200	201 contacts →
	Strong evidence “Leighton is a software development business that builds high performing teams and develops successful software applications for its customers.” Source: RevenueBase Database · checked Sep 23, 2026
9	ONE Beyond	Partial evidence	Farnborough, United KingdomHQ checked Sep 23, 2026	201-500	185 contacts →
	Partial evidence “We build software solutions, partnering with ambitious clients looking to grow by harnessing next-generation technology.” Source: RevenueBase Database · checked Sep 23, 2026
10	scrums.com	Partial evidence	London, United KingdomHQ checked Sep 23, 2026	201-500	163 contacts →
	Partial evidence “Scrums.com is the Software Engineering Orchestration Platform (SEOP).” Source: RevenueBase Database · checked Sep 23, 2026
11	Digis, A Fiverr Company Nyse Fvrr	Strong evidence	London, United KingdomHQ checked Sep 23, 2026	201-500	163 contacts →
	Strong evidence “Digis is a leading software development company with a team of over.” Source: RevenueBase Database · checked Sep 23, 2026
12	Opinov8	Indirect evidence	London, United KingdomHQ checked Sep 23, 2026	201-500	154 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 23, 2026
13	IIH Global	Indirect evidence	Rickmansworth, United KingdomHQ checked Sep 23, 2026	51-200	149 contacts →
	Indirect evidence “IIH Global is a global technology solutions company helping startups, SMEs, and enterprises in the UK, US, Europe, Australia, and Canada build the digital tools they need to run…” Source: RevenueBase Database · checked Sep 23, 2026
14	Digitally Inspired, Part Of Intellias	Partial evidence	Guildford, United KingdomHQ checked Sep 23, 2026	201-500	145 contacts →
	Partial evidence “Digitally Inspired(DI) Ltd is a fast-growing technology and software engineering Consultancy for business.” Source: RevenueBase Database · checked Sep 23, 2026
15	Intagleo Systems	Indirect evidence	Slough, United KingdomHQ checked Sep 23, 2026	51-200	138 contacts →
	Indirect evidence “For over 22 years, Intagleo has been a trusted partner for businesses worldwide and US Primes, empowering them to achieve their digital transformation goals through innovative…” Source: RevenueBase Database · checked Sep 23, 2026
16	Synycs Group	Strong evidence	London, United KingdomHQ checked Sep 23, 2026	201-500	132 contacts →
	Strong evidence “Incorporated in 2014 and headquartered in the UK, Synycs Group is a CMMI Level 4 industry-leading & most reliable software and mobile app development company known for delivering…” Source: RevenueBase Database · checked Sep 23, 2026
17	Naimuri	Strong evidence	Salford, United KingdomHQ checked Sep 23, 2026	51-200	118 contacts →
	Strong evidence “We are Naimuri, a software development house, based in Manchester, specialising in data intelligence solutions.” Source: RevenueBase Database · checked Sep 23, 2026
18	Dorset Software	Strong evidence	Poole, United KingdomHQ checked Sep 23, 2026	51-200	111 contacts →
	Strong evidence “Operating since 1987, Dorset Software provides systems development capabilities to deliver industry leading technology.” Source: RevenueBase Database · checked Sep 23, 2026
19	Honeycomb Software	Partial evidence	London, United KingdomHQ checked Sep 23, 2026	51-200	95 contacts →
	Partial evidence “Honeycomb Software is a global software engineering company that helps startups, scale-ups, and enterprises bring digital products to market faster and smarter.” Source: RevenueBase Database · checked Sep 23, 2026
20	Venpep Group	Strong evidence	London, United KingdomHQ checked Sep 23, 2026	51-200	94 contacts →
	Strong evidence “A software product development company with over 250 global customers, VenPep builds web apps, mobile apps, and SAAS applications, including its portfolio Jumbow.io & Todook.io.” Source: RevenueBase Database · checked Sep 23, 2026
21	PDMS	Strong evidence	Braddan, United KingdomHQ checked Sep 23, 2026	51-200	92 contacts →
	Strong evidence “PDMS is a technology company providing software development and digital transformation services.” Source: RevenueBase Database · checked Sep 23, 2026
22	MAD Devs LLC	Partial evidence	London, United KingdomHQ checked Sep 23, 2026	51-200	92 contacts →
	Partial evidence “Mad Devs is a London-headquartered full-stack IT company developing enterprise-grade software solutions for businesses in finance, transport and logistics, security, education…” Source: RevenueBase Database · checked Sep 23, 2026
23	Goodcore Software	Partial evidence	Croydon, United KingdomHQ checked Sep 23, 2026	51-200	90 contacts →
	Partial evidence “When software underpins how your business operates, change carries real risk.” Source: RevenueBase Database · checked Sep 23, 2026
24	BN Digital	Strong evidence	London, United KingdomHQ checked Sep 23, 2026	51-200	87 contacts →
	Strong evidence “BN Digital is an enterprise software development agency specialising in custom web platform development, mobile app development, and AI/ML implementation We care deeply about…” Source: RevenueBase Database · checked Sep 23, 2026
25	Conovo Technologies	Partial evidence	Slough, United KingdomHQ checked Sep 23, 2026	51-200	84 contacts →
	Partial evidence “Conovo Technologies builds AI automation, agents and custom software for startups and SMEs.” Source: RevenueBase Database · checked Sep 23, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: bespoke software development companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names bespoke software development companies.
Partial evidence: Its own public description names part of bespoke software development companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name bespoke software development companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 4,995 bespoke software development companies based in the United Kingdom

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Bespoke software development companies based in the United Kingdom at a glance

As of Sep 23, 2026

20.6%Verified-email coverage

4.8%Mobile-number coverage

7.3Average contacts per company

1-10Median size (employees)

36.0%Largest-city concentration · London

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

3,184

11-50

1,425

51-200

279

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

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

Email last verified

Median 25.0d

5,6420–30

1,69931–60

7861–90

990–180

75180+

Company record updated

Median 88.0d

00–30

3,84931–60

18,85661–90

11,64090–180

2,074180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among bespoke software development companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “bespoke software development companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names bespoke software development companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among bespoke software development companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 7,503 across the full list. 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 23, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Bespoke software development companies by metro

Bespoke software development companies in London1800
Bespoke software development companies in Manchester153
Bespoke software development companies in Birmingham97
Bespoke software development companies in Bristol74
Bespoke software development companies in Glasgow74
Bespoke software development companies in Leeds63
Bespoke software development companies in Edinburgh54
Bespoke software development companies in Nottingham44
Bespoke software development companies in Cardiff39
Bespoke software development companies in Liverpool39
Bespoke software development companies in Milton Keynes38
Bespoke software development companies in Belfast36
Bespoke software development companies in Sheffield35
Bespoke software development companies in Brighton32
Bespoke software development companies in Reading32
Bespoke software development companies in Newcastle Upon Tyne31
Bespoke software development companies in Coventry28
Bespoke software development companies in Leicester28
Bespoke software development companies in Cambridge27
Bespoke software development companies in Norwich26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names bespoke software development companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many bespoke software development companies are there based in the United Kingdom?

RevenueBase identified 4,995 bespoke software development companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Dotsquares, headquartered in London, tops this list with the largest team on record.

Which city has the most bespoke software development companies?

London leads with 1800 headquartered companies, followed by Manchester (153) and Birmingham (97).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,503 verified decision-maker contacts tracked across these 4,995 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 23, 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 Smart Search, 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.