Company lists · Data refreshed September 2026
Top 25 Box build assembly manufacturers based in the United Kingdom
RevenueBase identified 371 box build assembly manufacturers headquartered in the United Kingdom as of September 2026 and tracks 3,526 professional contacts across them, including 1,216 with verified work emails. London is the largest hub.
This list covers box build assembly manufacturers 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 29, 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.
The 25 largest box build assembly manufacturers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 103 contacts → | ||||
Indirect evidence “Axiom Manufacturing Services is a world class provider of contract manufacturing services, benchmarking standards in design, development, and manufacturing of leading-edge…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 82 contacts → | ||||
Indirect evidence “Active-PCB Solutions is a focused, responsive and dependable Electronic Manufacturing Services provider (EMS) specialising in small to medium batch production for high-complexity…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 81 contacts → | ||||
Indirect evidence “Axis Electronics is a UK EMS Company within the Cicor Group of EMS companies (electronics manufacturing services) specialising in high reliability, complex PCBA and System…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 80 contacts → | ||||
Indirect evidence “About Chemigraphic: • We deliver seamless outsourced electronics manufacturing, from concept through to end of life.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 68 contacts → | ||||
Partial evidence “From local manufacturer to global partner, EC Electronics has been a trusted EMS provider for over 40 years, helping businesses bring products to market with reliability…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 68 contacts → | ||||
Indirect evidence “Aish Technologies is a systems design and manufacturing company that specialises in the protection of electronic equipment in harsh environments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 64 contacts → | ||||
Partial evidence “Nemco is a leading Contract Electronics Manufacturer providing a complete product manufacturing, logistics and repair service to our customers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 62 contacts → | ||||
Indirect evidence “Texcel Technology Plc is a electronic design and manufacturing (CEM) company, based in the United Kingdom.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 56 contacts → | ||||
Partial evidence “Design - Develop - Manufacture | Concept to Creation At PSUK, our mission is clear:"To be the first choice Contract Electronics Manufacturer in the UK, by providing exceptional…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 52 contacts → | ||||
Partial evidence “Nitronica offer a comprehensive range of electrical and electronic assembly services from our sq.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 50 contacts → | ||||
Partial evidence “Tioga Limited, founded in 1996, has developed into one of the UK's leading privately owned Contract Electronic Manufacturers (CEM), offering a broad spectrum of electronic…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 47 contacts → | ||||
Partial evidence “From PCB manufacturing, through sheet metal fabrication to electro-mechanical assembly.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 45 contacts → | ||||
Indirect evidence “Established in 1986, Elite Electronic Systems is a trusted provider of Electronic Manufacturing Services (EMS), supporting innovative and successful customers across the UK…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 42 contacts → | ||||
Strong evidence “ADAPT ems is a UK contract electronics manufacturer providing end-to-end manufacturing services across the product life cycle from design and prototyping to PCB assembly, box…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 41 contacts → | ||||
Partial evidence “From supplying components, to designing sub-assemblies all the way through to delivering finished hardware and software products, Densitron's mission is to help you provide the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 41 contacts → | ||||
Indirect evidence “Corintech was established in the UK in 1977 and offers complete Electronic Product Design and Manufacturing capabilities as well as producing a wide range of Environmental Data…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 36 contacts → | ||||
Indirect evidence “Kingfield Electronics specialise in providing world class electronic manufacturing solutions to companies operating in a variety of low to medium volume, high reliability, high…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 34 contacts → | ||||
Indirect evidence “Challenger Solutions is a specialist Contract Electronics Manufacturing services company dedicated to providing solutions to a wide range of commercial and industrial sectors -…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 34 contacts → | ||||
Indirect evidence “Newbury Electronics provide quality contract electronic manufacturing (CEM) services in-house.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 32 contacts → | ||||
Indirect evidence “At G&B it is our aim to become the UK's electronic manufacturing partner of choice.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 31 contacts → | ||||
Indirect evidence “Established in March 1983 Datalink Electronics Ltd is a renowned ISO 13485 and ISO 9001 certified UK contract electronics manufacturing company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 31 contacts → | ||||
Indirect evidence “At Dynamic EMS, we understand that no two-electronic equipment manufacturing customers are the same.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 31 contacts → | ||||
Partial evidence “Icon Electronics is a Contract electronic Manufacturer (CeM) based in the heart of the United Kingdom, providing extensive contract electronic manufacturing services including…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 30 contacts → | ||||
Indirect evidence “FermionX Manufacturing is a complete product solution partner, dedicated to making better products.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 28 contacts → | ||||
Indirect evidence “The Norcott Technologies is a leading supplier of electronic design and manufacturing services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: box build assembly manufacturers. 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 box build assembly manufacturers.
- Partial evidence
- Its own public description names part of box build assembly manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name box build assembly manufacturers. 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 371 box build assembly manufacturers based in the United Kingdom
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Box build assembly manufacturers based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 371 companies.
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 box build assembly manufacturers, 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 “box build assembly manufacturers”. 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 box build assembly manufacturers), 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 box build assembly manufacturers, 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, 1,216 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 29, 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.
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 box build assembly manufacturers, 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 box build assembly manufacturers are there based in the United Kingdom?
RevenueBase identified 371 box build assembly manufacturers 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?
Axiom Manufacturing Services, headquartered in Newport, tops this list with the largest team on record.
Which city has the most box build assembly manufacturers?
London leads with 14 headquartered companies, followed by Birmingham (5) and Bristol (5).
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 1,216 verified decision-maker contacts tracked across these 371 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 29, 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.
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