QES are a UK wide provider of power supply repair services. Our capability includes the repair and refurbishment of a wide range of power electronics equipment from most major manufacturers. We work with both the private and public sector companies worldwide and have experience in both specialist military and medical power supply repair. We provide high quality cost-effective solutions to the commercial, industrial, military and medical markets.  

Power Electronics Repair

We specialise in power electronic repair services for an wide range of electronic power products. We will repair products to standard specifications or with modifications to meet your requirements. We have a modern workshop with the latest technology and have practical experience with most power supply products on the market today.  

We provide power electronics repair on products including:

  • Linear and switched mode power supplies
  • DC/DC converters
  • Inverters
  • Battery chargers
  • Power amplifiers
Power Electronics Repair

Product Design and Development

We offer an advanced product design and development service that can be tailored to meet your individual needs. Our service originally evolved to help our clients develop and build replacements for obsolete electronic power supply products but today is equally about helping entrepreneurs and start up companies turn their ideas into marketable products. We use new technology and traditional methods in developing cost effective solutions to meet the needs of your specific market.

We also provide engineering, development and manufacturing consultancy across the UK.

Product Design and Development

Obsolete Product Replacement

We specialise in helping our customers with obsolete product replacement. We will assist with either finding or designing obsolete power products to match existing space, fixing points and other considerations. Our obsolete product replacement service has been developed to address any issues you may have.

Obsolete Product Replacement

Manufacture & Assembly

Looking for low volume manufacturing or assembly..talk to us first.

Laser PSU Repair

QES Ltd will repair and service various makes of chargers/ psu from laser and IPL machines. Many lasers are becoming obsolete and no longer supported by the original equipment manufacturer. We have experience with a range of models, please contact us if you have a particular model you would like to discuss.

Laser PSU Repair

Electronic Product Design

If the other services don’t provide an answer we can always design a fit, form & function replacement. We keep our design costs low and take the simplest technical route to a solution. Don’t be put off because you only need a small quantity; we have redesigned for a final quantity as low as six. Please see some examples of our work.

Power Electronics Manufacturers

Throughout our 26 years of business we have worked with an extensive range of products please see the list to see if we have worked with a particular model you need repairing. 

Low Volume Electronics Manufacturing

We manufacture our own products for customers in the Defence, Industrial, Communications, Commercial and other markets. This has been the case over the last 26 years and has given us a fantastic background in understanding and meeting all of the different requirements.

Testing and Evaluation

We can use our experience and facilities to test and evaluate product for you. This could be a new product requiring an independent assessment, or an existing product requiring practical failure analysis, or something else entirely?

ISO9001 Accredited

We are 1S09001 accredited so you know you can rely on us to deliver a quality service and product.

You can see some of our current clients and examples of the work we have done on our website. We are always on hand to lend any advice and help you find the right solution to your problem whether it’s designing, manufacturing, supplying or repairing the necessary power supplies and electronics.

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