Company lists · Data refreshed September 2026
Top 25 Circular connector manufacturers based in the United Kingdom
RevenueBase identified 62 circular connector manufacturers headquartered in the United Kingdom as of September 2026 and tracks 937 professional contacts across them, including 436 with verified work emails. Cambridge is the largest hub.
This list covers circular connector 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 30, 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 circular connector manufacturers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 171 contacts → | ||||
Partial evidence “Founded in 1952, Harwin is a global manufacturer of high-reliability interconnect devices and PCB hardware, with facilities in the UK, USA, Germany, and Singapore.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 138 contacts → | ||||
Strong evidence “Bulgin is widely recognised as a leading manufacturer of environmentally sealed connectors and components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 112 contacts → | ||||
Indirect evidence “Amphenol LTD is a manufacturing site within the family of companies that forms the Amphenol Corporation, a global interconnect specialist generating in excess of $11B yearly…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 70 contacts → | ||||
Strong evidence “GCT (Global Connector Technology) designs and manufactures precision connector and cable assembly solutions that power today’s electronic innovations, from industrial automation…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 35 contacts → | ||||
Indirect evidence “SMI's 'fit and forget' cable systems form the central nervous systems of critical infrastructure operating in hostile environments, including naval ships, submarines, aircraft…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 35 contacts → | ||||
Strong evidence “CRE designs and manufactures a range of all-metal shell connectors, fibre optic products, strain terminations, penetrators and junction boxes for extremely heavy duty use and are…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 34 contacts → | ||||
Indirect evidence “UK based international office of AirBorn Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 32 contacts → | ||||
Strong evidence “Intelliconnect is a European/American manufacturer of RF connectors, Adaptors and Cable Assemblies, based in Chelmsford, UK and Manufacturing at four sites across the UK and USA.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 14 contacts → | ||||
Strong evidence “Lane Electronics is part of the Lodge Group which includes high reliability, circular and military connector manufacturer Weald Electronics.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Strong evidence “TEN 47 are a supplier of high quality circular electrical connectors, interconnect assembly and cable protection solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Strong evidence “As specialists in connectors and everything related to them, Cambridge Electronic Industries designs and manufactures its own connectors and acts as distributor for the world’s…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Partial evidence “AP Technology is a specialist supplier of interconnect products including cable, connectors, cable assemblies, wire and wire management products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Indirect evidence “EDAC has been designing and manufacturing interconnect products for over 50 years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Partial evidence “Power Connectors for Industry Phase 3’s Industrial Power Connectors product range includes standard and special application, harsh environment connectors for power distribution.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Partial evidence “With many years experience in the RF connectors market, we are experts at manufacturing and supplying connectors and producing cable assembly solutions for very diverse…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Strong evidence “NYKCS is a leading franchised distributor of circular connectors and accessories for use in Military, Aerospace and harsh environment Industrial applications supplying approved…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Partial evidence “HUB Electronics has been established for 50 years, combining decades of experience with in-depth technical expertise in the supply of circular, rectangular, single, and multi-pin…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Partial evidence “At Selwyn, we use our vast knowledge and experience of connectors along with our wide range of products to offer our customers a full design and development support service for…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Partial evidence “Jacarem have now been supplying connectors into the electronics industry since 1987.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Strong evidence “RIDGEMOUNT TECHNOLOGIES LIMITED is a UK based technology business that designs and manufactures fibre optic connectors and sub-systems to serve applications in the Telecom…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Partial evidence “Nicomatic UK is a designer and provider of innovative interconnect solutions, specialising in high-performance connectors, custom interconnect systems, and embedded electronic…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “Novara Technologies provides cable assemblies and interconnect solutions for OEMs that need high quality, reliable and manufacturable results across demanding applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “Swift-Dock spring loaded docking connectors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “Leotronics has been established since 1990, a family run company that is staffed by experts.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 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: circular connector 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 circular connector manufacturers.
- Partial evidence
- Its own public description names part of circular connector manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name circular connector 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 62 circular connector manufacturers based in the United Kingdom
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Circular connector manufacturers based in the United Kingdom at a glance
As of Sep 30, 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 62 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 circular connector 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 “circular connector 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 circular connector 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 circular connector 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, 436 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 30, 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 circular connector 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 circular connector manufacturers are there based in the United Kingdom?
RevenueBase identified 62 circular connector 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?
Harwin, headquartered in Farlington Portsmouth, tops this list with the largest team on record.
Which city has the most circular connector manufacturers?
Cambridge leads with 3 headquartered companies, followed by Milton Keynes (3) and Whitstable (3).
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 436 verified decision-maker contacts tracked across these 62 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 30, 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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