About us

QES Ltd

QES Limited was established in 1990 as a high quality repair and engineering services business that specialises in electronic power conversion equipment (Power Supplies). Twenty one years later these Quality Electronic Services are well known across a wide range of customers and markets globally.

All of the services provided are covered under our Quality and Environmental management systems which are certified to ISO9001/14001.

QES is the company for anything relating to power supplies. If you need Custom Designed product, off the shelf repacements for older units, or a power supply for a new application then contact us and we will be more than happy to help.

Repairs are what we are renowned for. We repair any power supply made by anyone anywhere around the world. We deal with product from all over Europe for repair in our UK workshop. Our reputation for doing a quality job at the right price.

Take a look at our web site for more information or give us a call to discuss what your requirement are or get a price.


Services

Aesthetic and Medical Laser Power Supply Repair

Aesthetic and Medical Laser Power Supply Repair

Power requirements vary according to make and model so our experience covers a wide range of laser platforms.

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Consolidated Power Supply (psu) Repair Services

Consolidated Power Supply (psu) Repair Services

QES works with a wide range of customers; from small companies to world wide organisations; from commercial business to international defence agencies...

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Contract Electronics Manufacturing

Contract Electronics Manufacturing

We handle outsourcing right through the manufacturing process and deliver boxed products that are ready to sell or install without the need for furthe...

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Electronic Product Design

Electronic Product Design

f the other services don’t provide an answer we can always design a fit, form & function replacement. We have successfully taken this approach for a n...

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Electronics Design Service

Electronics Design Service

We provide a electronics design service for customers that are looking for something special. That something may be a direct replacement for an obsole...

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Electronics Manufacture & Assembly

Electronics Manufacture & Assembly

As well as manufacturing our own electronics products we carry out low volume high quality electronics manufacturing on a contract basis.

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Electronics Modification Service

Electronics Modification Service

We also do a large amount of electronics modification work. Companies who produce high volume products overseas often find they have customers who wan...

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Medical Laser Repairs

Medical Laser Repairs

Power requirements vary according to make and model so our experience covers a wide range of laser platforms.

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Obsolete Product Replacement

Obsolete Product Replacement

As part of our ‘complete power supplies service’ we endeavour to help customers find or design replacements for obsolete power products. Once you have...

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Power Electronics Refurbishment

Power Electronics Refurbishment

QES is a leading provider of Power Supply Repairs across the UK and in the world markets. We repair and refurbish all types of power electronics equip...

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Power Electronics Repair

Power Electronics Repair

QES Specialises in providing a power electronics repair service for all types of electronic power products. This includes linear and switched mode pow...

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Power Repair Solutions

Power Repair Solutions

Our power supply repair service engineers are amongst the most highly qualified technicians in the world and can offer you a 99% repair rate on all pr...

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Power Supply Repair

Power Supply Repair

QES is a leading provider of Power Supply Repairs across the UK and in the world markets. We repair and refurbish all types of power electronics equip...

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Power Supply Repair Service Engineers

Power Supply Repair Service Engineers

Our power supply repair service engineers are amongst the most highly qualified technicians in the world and can offer you a 99% repair rate on all pr...

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Power Supply Repair	Services

Power Supply Repair Services

QES is a leading provider of Power Supply Repairs across the UK and in the world markets. We repair and refurbish all types of power electronics equip...

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Product Design & Development

Product Design & Development

We provide a electronics design service for customers that are looking for something special. That something may be a direct replacement for an obsole...

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Specialist Design and Electronics Engineering Consultancy

Specialist Design and Electronics Engineering Consultancy

QES provides specialist design and electronics engineering consultancy to a wide section of UK industry covering everything from commercial through to...

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17 Services

Case Studies

A Military Naval Sheltered Environment Power Supply Unit

A Military Naval Sheltered Environment Power Supply Unit

This unit was designed to a full customer specification for use within a system now deployed on the new UK type 45 Destroyers. The design & developmen...

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Power Supply Design & Manufacture

Power Supply Design & Manufacture

The Problem All products eventually become obsolete giving rise to a need to design fit, form and function replacements. We offer a “one stop” solutio...

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2 Case Studies

Documents

QES Catalogue

QES Catalogue

Catalogue

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1 Documents

Social Media

Contact Us

QES Ltd

  • Unit 4, Chells Enterprise Village
  • Chells Way
  • Stevenage
  • Hertfordshire
  • SG2 0LQ

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