On Time Communications Ltd

On-Time Communications is a UK based Contract Electronic and electromechanical assembly house, manufacturing products and assemblies for a wide range of companies.

Established for over 10 years On-Time has a reputation in the industry for fast accurate and cost effective manufacturing, we have built our customer base on our ability to deliver to schedule, this simple statement is fundamental to our work ethic, we do not endeavour to meet our targets we always meet them.

Approved to ISO standards we are specialists in medium to high volume runs.

Free prototyping service, please call for more information.

Contract Manufacturing Services - CMS

  • Automated Surface Mount Pick & Place Assembly
  • Automated and Hand Placed Through Hole Assembly
  • Single Sided, Double Sided, Rigid and Flex
  • Very Quick Prototype to Production Service
  • Full Box & Sub Assembly/Wire, Cable, Harness Assembly
  • High Mix/High Complexity Boards
  • Turnkey Parts Sourcing & Engineering Services
  • Design For Manufacture
  • Full Circuit Design and Board Layout

Free Prototypes

Talk to us, depending on your requirements we may be able to offer you a completely free prototyping service. Why not call and discuss the ways in which we can assist you in the development of your product? You never know we could save you money where it counts, in the early stages of your development process.

Free Advice

Need help and advice on the manufacturability of you new design? No problem. Our committed and experienced team in design and engineering can help with any or all of the design stages you may encounter from initial concept through to manufacturing engineering, production and compliance testing.


We offer a complete design service from concept to prototype.

  • Board layout
  • Design for manufacture
  • RoHS conversion
  • Moulding and metalwork design
  • Compliance testing and CE marking
  • Through hole to surface mount conversion


Our purchasing department ensures that the parts we buy for each project are procured on the best terms; any savings we make are passed on to you the customer.

You can choose to supply the parts free issue to us or you may find it more appropriate to supply the active parts whilst we supply passives. Or completely remove the headache of purchasing and let us do it all for you. Of course whatever you choose is the best route for your product we will always be flexible in our approach to give you exactly what you require.

Electronic Manufacturing

Quality is high from the outset, rest assured that all our staff involved in the manufacture of your products have been fully trained in the use of the technology we employ to produce the top quality, repeatable electronic assemblies we are well known for.

Through Hole Assembly

Within our manufacturing structure we operate a "Flow Through" manual assembly line staffed with personnel skilled in hand assembly, soldering and wiring of a wide range of products. Our recently acquired ERSA IC1000A soldering irons are more than capable of dealing with any lead free hand assembly requirements you may have.

Wave Solder

The Blundell CMS 400 is now fully lead free compatible. All parts of the solder bath are treated with special tin resistant material. A new updated preheater is fitted as standard, and all machines are supplied with a spray fluxer.

  • Total loss sprayfluxer
  • Two stage pre-heat, combined hot air blower and one metre long steel hotplate
  • Single, bi-directional solder wave
  • Usable width 400 mm with Rubicon modulating wave and adjustable slot for surface mount soldering

Post-Wave Solder

ERSA IC1000A solder irons with fume extraction

Surface Mount Assembly

New in 2007 Yamaha ipulse M4e with 3 in-line placement heads 120-feeder capacity, intelligent feeders, places 0201 chips up to 54mm² and 80mm long components. Program from Gerber data. Very fast state of the art machine

Juki PM 570 Pick and place fully automatic machine to 0.015 pitch and all chip components from 0201 upwards with laser touchless in-flight centring means that medium to high volume product runs are easily catered for. Program information can be downloaded from CAD data.

Cable and Connector Assembly

On-Time Communications manufacture a wide range of custom cable assemblies and harnesses built to customer specification and meeting today's stringent requirements for quality, service and cost.

Electromechanical Assembly

This service is key for some of our customers. After manufacturing and testing the PCB we can supply your product assembled and wired into its finished form, tested for compliance, packed and shipped.

Prototype Assembly

We excel at prototypes, we have experienced people that check your data, can hand assemble and solder surface mount and through hole assemblies. Carry out electromechanical assembly and any wiring requirements. Produce a detailed prototype assessment report and generally let you know exactly the situation in terms of manufacturability. All this and we may be able to supply you with this service completely free of charge. Call us, we can help.


All products are fully tested by our test staff to ensure they meet our customers' requirements. Sometimes testing and test strategies can be the last thing on your mind. We can look at your product and offer the most cost effective route to a tested compliant product.

Call us on 01494 883700 for a quotation or to arrange a visit.

Contact Us

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