MES Ltd are a family run business which was established back in 1997.

We are Authorised Dealers for Beta Marine, Cummins, Onan, Fleetguard, Iveco FPT, MAN, Mercury, Nanni and Valvoline.

Equally, we are able to offer a huge range of parts at competitive prices. Many of stocked parts can now be found on our parts pages. Our friendly staff will me more than happy to help if the part you are after is not there or you need additional advice.

MES Ltd workshop is situated on the Menai Straits in Port Dinorwic.


Qualified and factory trained marine engineers with experience and knowledge. We can fix, service and give you the correct advice for your boat. We have the latest diagnostic equipment for a multitude of brands. We believe we know what we are talking about.


MES Ltd carry full comprehensive insurance. All staff regularly visit manufacturers training facilities for the latest equipment update training.


MES Ltd can cater for many boats for repairs within our large workshop. Our workshop is situated next to one of the largest slipways in North Wales. This means we can easily test your boat on the water. If you require our services whilst at another port, harbour, marina ore premises don’t worry we travel too! We offer mobile service using our fully equipped vehicles.We are always there when you need us. Out of hours call our mobile 07798 572664 means we’re contactable 24/7.


We’re more than happy to discuss any future work and the various options and cost implications of each available to you. Similarly, if you are after some advice to fault find /carry out repairs yourself we’re more than happy to share our knowledge with you, just give us a call on 01248 671215.