Cartronics® have over 50 year’s experience in the auto electrical industry.

We specialise in vehicle electrical repairs and installations, including diagnostics and fault finding.

The company was founded in 1967 and is known as Surrey’s car electronics experts. The company is involved in all areas of vehicle diagnostics, car installations and audio upgrades and repairs. Years of industry experience and technical skill ensure that customers receive personalised service and a lifetime guarantee on all in-car installation work. We offer a wide range of services that include bespoke installations, retrofits and module repair in our fully insured premises.

In addition to car audio, we offer supply and fit services for in-car TV & DVD, car navigation, game consoles, car security and Bluetooth phone kits. We also supply and install all car security equipment including tracking devices. A complete on-site repair service is also available.

We also specialise in ECU tuning; this improves MPG & makes driving a lot more fun. Other specialist areas include activating your in-car TV to work on the move.

Our customer base is vast, from both retail and trade, and includes numerous prestige car dealerships and leading car audio manufacturers in the UK, EU and the USA.

Qualified Engineers

Fully Insured

Free Carpark


Choosing a new sound system or accessory for your car is not an easy decision to make. The range of products can be confusing and getting the right co-ordinated system to match your budget is even harder. This is where our years of experience comes in. Cartronics have built a reputation on a custom design service, giving honest advice with a ‘hands-on’ approach.

If you already know the system you want, then getting the most out of your new system means a quality installation by an experienced specialist Auto Electrical Engineer. We specialise in seamless installation using quality components. This means fitting your new system while still leaving your car in its original condition.

For the perfectionist, we offer second to none technical expertise to ensure all expectations are met, especially in the complex area of system interfaces and design. We really want you to get the best out of your purchase, whether you’re an enthusiast or just want to buy a simple head unit. Our reputation has been built on our commitment to quality which is reflected in our simple motto: “Design and installation make the difference.” So, come in and have a chat!


MARKAuto Engineer
Mark’s motto is: “Nothing is impossible’ & loves taking on BIG projects
PHILAuto Engineer
Phil is a master of his craft and will always get to the root of the problem
GLENNAuto Engineer
Glenn is a perfectionist when it comes to providing a beautiful install
JORDANAuto Engineer
Jordan is a repair expert and fixes electronic components with precision
ERICAuto Engineer
Eric is an audiophile who enjoys creating audio masterpieces

Get in touch

We are located five minutes away from the M25 or A3, and you will have no problem parking as we have a free customer car park. See you soon.


01932 800800


22 High Road, Byfleet, Surrey, KT14 7QG


01932 800800


22 High road, Byfleet, Surrey, KT14 7QG