Company lists · Data refreshed September 2026

Top 25 Custom manufacturers based in the United Kingdom

RevenueBase identified 398 company matches for custom manufacturers associated with the United Kingdom as of September 2026 and tracks 1,770 professional contacts across them, including 534 with verified work emails. London is the largest hub.

This list covers company matches for custom manufacturers 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 16, 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 16, 2026 How this list was built
398Companies
1,770Contacts tracked
534Verified emails
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The 25 largest custom manufacturers based in the United Kingdom

Ranked by team size
Top 25 of 398 company matches for custom manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchNewbury, United KingdomHQ recorded Sep 16, 2026201-500120 contacts →

Exact match

“Progressive Technology Group is a subcontract company based in Berkshire, specialising in Multi Axis CNC Machining, Composite Component Manufacture, Patterns and Structural Foam…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchDarlington, United KingdomHQ recorded Sep 16, 202651-20044 contacts →

Exact match

“Welcome to Paragon Rapid Technologies, a proud member of the Global Precision Group of companies committed to delivering innovation, quality, scalability, and precision-engineered…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchThetford Norfolk, United KingdomHQ recorded Sep 16, 202651-20039 contacts →

Exact match

“Warren is a full-service manufacturing partner with a focus on engineered innovation.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchStokesley, United KingdomHQ recorded Sep 16, 202651-20034 contacts →

Exact match

“Sterling design, manufacture and sell plant bodies to customers nationwide, combining insightful innovation with meticulous craftsmanship.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchTewkesbury, United KingdomHQ recorded Sep 16, 202651-20034 contacts →

Exact match

“Geometric Manufacturing provides a flexible solution to your production requirements.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchLawrence Hill, United KingdomHQ recorded Sep 16, 202611-5030 contacts →

Exact match

“For over 40 years, Amalgam Modelmaking Ltd has helped clients turn complex concepts into compelling physical models.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Sep 16, 20261-1027 contacts →

Exact match

“We turn great ideas into products that matter.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchSheffield, United KingdomHQ recorded Sep 16, 202611-5026 contacts →

Exact match

“AME COMBINE INNOVATIVE PRODUCT DESIGN AND PROGRESSIVE PROTOTYPE TECHNOLOGIES TO ENABLE OUR CLIENTS TO DELIVER SUCCESSFUL PRODUCT SOLUTIONS.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchPortslade, United KingdomHQ recorded Sep 16, 202611-5025 contacts →

Exact match

“Design • Prototype • Manufacture • Install millimetre is an award-winning team of designers and makers, working with architects, artists and organisations to create bold work with…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchCoventry, United KingdomHQ recorded Sep 16, 202651-20024 contacts →

Exact match

“Concept Group International is part of Envisage Group Ltd.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchFramlingham, United KingdomHQ recorded Sep 16, 20261-1024 contacts →

Exact match

“Minima is an award winning product design, development and prototyping company.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchLeicester, United KingdomHQ recorded Sep 16, 202611-5022 contacts →

Exact match

“Our Design Development Studio is reknowned for resolving impossible problems, taking full advantage of our inhouse prototyping and manufacturing including an AGFA Annapurna…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchBasingstoke, United KingdomHQ recorded Sep 16, 202611-5021 contacts →

Exact match

“BitBox Ltd is a UK-based leader in electronic design and manufacturing, with over 30 years of experience transforming ideas-big or small-into high-quality, market-ready products.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchPembroke Dock, United KingdomHQ recorded Sep 16, 202611-5021 contacts →

Exact match

“We are Designers, Manufacturers and Finishes of Composite Components for any industry.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchBirmingham, United KingdomHQ recorded Sep 16, 202651-20021 contacts →

Exact match

“We turn your ideas into innovative, cost-effective solutions State of the art manufacturing – technology led, expertly driven.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchGlasgow, United KingdomHQ recorded Sep 16, 202611-5017 contacts →

Exact match

“A one-stop service to develop your technology concept into a successful product.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchKineton, United KingdomHQ recorded Sep 16, 202611-5017 contacts →

Exact match

“TonyG is an award-winning production house that delivers extraordinary results and applied design for luxury brands, high-end retail and design studios.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchAscot, United KingdomHQ recorded Sep 16, 202611-5017 contacts →

Exact match

“A company based in Berkshire UK employing over 30 experienced model makers.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchGloucester, United KingdomHQ recorded Sep 16, 202651-20016 contacts →

Exact match

“Röchling Industrial - Gloucester Thermoplastic and Composite machining.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchLeicester, United KingdomHQ recorded Sep 16, 202611-5015 contacts →

Exact match

“Product Design - Our core competencies: A highly resourced new product development company offering multi-disciplinary design and innovation.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchStirling, United KingdomHQ recorded Sep 16, 202611-5013 contacts →

Exact match

“Established in 1983, CA Models has been setting the standard for excellence in the rapid prototyping industry for over 30 years.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchRoyston, United KingdomHQ recorded Sep 16, 202611-5013 contacts →

Exact match

“Established in 1980, Prototype Projects is a renowned specialist in prototype manufacturing.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchBristol, United KingdomHQ recorded Sep 16, 202611-5012 contacts →

Exact match

“Located at the world class Bristol & Bath Science Park, we work together with corporations, small businesses and entrepreneurs to realise their technology product design ideas…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchWhitchurch, United KingdomHQ recorded Sep 16, 202611-5012 contacts →

Exact match

“Your Design Partner for Real-World Production.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 16, 202611-5012 contacts →

Exact match

“Award-winning industrial design studio specialising in transforming ideas into exceptional, manufacturable products.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 398 custom manufacturers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 534 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom manufacturers based in the United Kingdom at a glance

As of Sep 16, 2026
30.2%Verified-email coverage
4.4Average contacts per company
1-10Median size (employees)
16.6%Largest-city concentration · London
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
281
11-50
89
51-200
20
201-500
3
501-1,000
1

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 398 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 “custom manufacturers” 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 534 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 16, 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 “custom manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom manufacturers are there based in the United Kingdom?

RevenueBase identified 398 company matches for custom manufacturers 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?

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

Which city has the most custom manufacturers?

London leads with 66 company records, followed by Sheffield (10) and Bristol (8).

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 534 professional contacts with verified work emails tracked across these 398 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 16, 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.