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Unleash the Latent Power of Your Vehicle in Hemel Hempstead, Hertfordshire

To improve the fuel economy and performance of your vehicle, turn to the chip tuning and ECU remapping services our garage skilfully provides. Based in Hemel Hempstead, Hertfordshire, RayTech Auto performs reliable tuning services while prioritising the convenience of our customers.

Expert Procedures

At RayTech Auto, our engineers are ECU remapping specialists. The techniques we utilise drastically improve the fuel consumption, performance, and drivability of virtually any vehicle. As proud members of Quantum Tuning, the largest remapping group in the UK, we have the expertise and experience necessary to provide you with a peerless remapping service.

Working Where It Suits You

Customers within 20 miles of our workshop are eligible to hire our convenient mobile remapping service. Alternatively, we may collect your car for tuning in our state-of-the-art service centre. Either way, the quality parts and qualified mechanics we provide ensure you'll be ecstatic with the results of our work. When you call for a free consultation, our friendly team will provide a quote based on the requirements of your vehicle. For your peace of mind, we supply your quote in writing and explain our processes completely before carrying out any work.

Swift Servicing

Because we believe in minimising any disruptions to our customer, we strive to service most vehicles the very same day they are brought to us. Though we work swiftly, we never compromise when it comes to being thorough and comprehensive. Taking between two and six hours, the services we offer are resolute and affordable. MOT Testing services are also available.

Reliable Work

Every ECU remapping and chip tuning technician employed by RayTech Auto is qualified by the Institute of the Motor Industry, meaning they are trained to the highest available standards. For your reassurance, we extend a full 30-day warranty for the tuning services we provide, and offer your money back with no questions asked.

Auto Chip

Mobile Service

We offer a fully mobile remapping service for the majority of vehicles. The areas we cover are:


  • Hemel Hempstead, Kings Langley, Nash Mills, Bourne End, Piccotts End
  • St.Albans, London Colney, Sandridge, Chiswell Green, Oaklands
  • Watford, Bushey, Rickmansworth, Croxley Green, Northwood
  • Berkhamstead, Bovingdon, Bourne End, Little Gaddesden,
  • Hatfield, Welwyn Garden City, Harpenden, Hertford
  • Chesham, Amersham, Little Missendon, Great Missendon, The Chalfonts
  • Leighton Buzzard
  • Luton, Dunstable, Houghton Regis, Markyate, Redbourn
  • Aylesbury, Stoke Mandeville, Tring, Wendover, Aston Clinton
  • High Wycombe, Beaconsfield, Stokenchurch
  • Barnet, Potters Bar, Finchley, Edgeware, Borehamwood, Elstree


We will travel further if the job is right.

For any details regarding our mobile service, feel free to get in touch.

Upgrades Available

The services we provide also include a range of upgrades and modifications. New stereos, upgraded brakes and suspensions, and engine customisation options are all available. To suit the needs of every customer, we offer a variety of service packages. These include:

Annual Service – Recommended Yearly, or Every 12,000 Miles
Full Service – Recommended Every Three Years, or Every 36,000 Miles
Manufacturer's Specification Service – Provided as Recommended by Your Vehicle's Manufacturer

Extraordinary Value

At RayTech Auto, we believe in providing our customers with value at every opportunity. That's why we are currently providing Volkswagen™ remapping services at the discounted rate of £199. Whether you're a car enthusiast or just need to extract more power from your vehicle, we happily service individual clients, fleet companies, and heavy goods vehicle drivers alike.

Contact us today, in Hemel Hempstead, Hertfordshire, to discover the range
of benefits provided by our chip tuning and ECU remapping services.