Contract electronics manufacturing services

We make electronic products – any volume, size, shape or function in the UK, USA and Asia.

Whether you’re an international supplier of electronic goods, an established OEM or a small company with a bright idea, we offer a complete electronics manufacturing service from prototype to volume production.

What are you looking for?

About OSI Electronics UK

We are a contract electronics manufacturing service – the £20m UK part of California based OSI Systems.

OSI Electronics UK was formed in January 2017 by uniting the highly experienced CEMS companies Briton EMS and Union Four Electronics of St Neots, Cambridgeshire.

This includes design, in-house engineering support, materials procurement, PCB / SMT manufacture and assembly, box build, electro-mechanical assembly, full testing and worldwide shipping.

News and events

OSI Electronics UK latest news...

We’re on Twitter too

If you love Twitter (and we do!), we've a new...

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In the press – Engineering Designer

Click the cover of the January 2017 edition of Engineering...

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EDS – Electronics Design Show

Date: 18 Oct 2017

18-19 October Ricoh stadium Coventry / stand J19 If you’re...

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UK Security Expo

Date: 29 Nov 2017

29-30 November London Olympia / stand E68 Billed as the...

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