Our conversions are built to order, from simple day vans to full camper conversions we’re here to help.
Race transporter & Commercial vehicles
With over 30 years racing experience we’re able to create race vehicles for any type of Motorsport, in addition we’re also happy to undertake specialist advertising and display vehicle builds including artwork and graphics.
Camper / Motorhome refits
Does your existing camper resemble your grandmothers house….time for a make over!
Repairs and Upgrades
No job is too small or large for JMS, leaking roof vent, replacement LED lights or new awning, a visit to our workshop in Sussex and we’ll get you back on the road
EXTERIOR FITTINGS
JMS can supply and fit a wide range of exterior products to your Van, Camper, Motorhome or race truck including awnings, cycle racks, roof storage, graphics, alloy wheels and more……
BESPOKE INTERIOR
Our custom designs offer a wide range of seating and sleeping layouts along with bathroom, kitchen and storage solutions to suit you needs.
OPTIONAL EXTRAS
The leisure vehicle market offers a wide range of accessories, JMS are here to offer helpful advice and help you select the best products for your vehicle.
mark white
9. June, 2025
Trustindex verifies that the original source of the review is Google.
The lovely chaps from JMS helped me out with repairing my T5 electric roof with new sensors just before my trip around Scotland on the North500 . A genuine bunch who did an amazing job, and at a very honest price . I would not hesitate to recommend and use them again. We were very very grateful for their assistance, especially at such short notice . Lovely people, exceptional workmanship, and a pleasure to deal with .
Thank you 🙏
Bruce Stacey
1. May, 2025
Trustindex verifies that the original source of the review is Google.
I only made a delivery but what a fantastic bunch of people that work here. So nice and friendly, very helpful. If I lived closer I would definitely use them for any work needed on my van.
Colin Corke
21. March, 2025
Trustindex verifies that the original source of the review is Google.
Great company, had solar panel fitted to my vw t6 and jms were a joy to deal with, and explained how it all worked
Dom Kenrick
13. March, 2025
Trustindex verifies that the original source of the review is Google.
Look no further! These chaps are a real find and I recommend them, without reservation, following the work they have carried out on my motorhome. They have an excellent 'bedside manner' and kept me updated throughout the work. All very reassuring. The work was all completed to a high standard and I will certainly be using them again.
Chris Buss
13. March, 2025
Trustindex verifies that the original source of the review is Google.
What an excellent company! Brilliant job applying the rear wheel carrier and wheel on our Grand California very professional from start to finish including taking our Satellite off from the roof as not needed anymore , I would definitely recommend Mark and his team at JMS !! 👏👏👏
bov
14. February, 2025
Trustindex verifies that the original source of the review is Google.
brillaint service, even better people
Enrico
28. December, 2024
Trustindex verifies that the original source of the review is Google.
We were looking for a company to modify our previously partially and unprofessionally converted van into a functional and beautiful camper van.
From first contact to the completion of the work on the van, JMS Vehicle Conversions Ltd were flawless. They took exceptional care in understanding our needs, and their communications were clear and prompt at every step. They provided a comprehensive quote that included various options aligned with our budget. Furthermore, JMS meticulously assessed our van, rectifying previous substandard alterations to ensure safety and functionality.
The team is friendly and very professional. Their level of service and workmanship has exceeded our expectations. We now have an upgraded camper van to the specifications we wanted, and we are very happy.
If you are looking for a vehicle conversion, whether fully or partially, we would highly recommend them. Thank you so much to Mark and the rest of the team for the fantastic work you have done on our van.
Sam Roo
28. October, 2024
Trustindex verifies that the original source of the review is Google.
JMS made some great amendments to my existing conversion. I had storage space, but it wasn’t easily accessible. After discussing options with Mark, we came up with ideas of how to make better use of the available space. The work was carried out to a high standard and on time. I am happy with the service and would definitely use them for converting my next van.
Chris Carpenter
3. October, 2024
Trustindex verifies that the original source of the review is Google.
Highly recommend JMS. Supplied and fitted an autotherm heater to our camper. Top job, took time to go through the work carried out. Very professional. Top guys.