Mechanical

Professional marine engineering you can rely on

M&G provides expert marine engineering across Guernsey, combining skilled workmanship, technical precision and genuine parts to keep every vessel running smoothly and efficiently. We aim to deliver a first-class service focused predominantly on leisure boat owners, offering complete mechanical support you can trust.

Expert engineering and reliable service

Our team of factory-trained marine engineers combines extensive hands-on experience with the latest diagnostic technology to deliver complete support for your boat’s mechanical systems. From routine servicing and detailed diagnostics to complex repairs and full engine replacements, every task is carried out with care, precision, and a commitment to keeping you confidently on the water.

Annual servicing to keep your vessel running smoothly and reliably.

Using manufacturer-approved diagnostic tools to identify and resolve performance issues quickly and efficiently.

From minor repairs to major overhauls, all work is carried out in line with manufacturer protocols.

We can specify, supply, and install new propulsion systems tailored to your vessel and its use.

To maintain full warranty coverage, we use only genuine Volvo Penta, Yanmar, and Nanni parts sourced directly through authorised distribution channels.

Dealers for leading engine brands

As an authorised dealer for Volvo Penta, Yanmar, and Nanni, we provide industry-leading service and technical support backed by genuine parts and professional care. Our engineers receive ongoing professional development through factory and online training, ensuring they stay at the forefront of modern marine technology, including advanced engine diagnostics, which are increasingly vital for today’s sophisticated marine systems.

Trusted brands, proven performance

We believe our customers deserve the best. That’s why M&G works with a carefully selected
range of leading marine brands, chosen for their quality, innovation and reliability on the water.

Volvo Penta
Yanmar
Nanni
Propspeed
Epropulsion
Lewmar
Coppercoat
International
Hempel
Sea-Fire
Volvo Penta
Yanmar
Nanni
Propspeed
Epropulsion
Lewmar
Coppercoat
International
Hempel
Sea-Fire
Passionate about boats

With decades of experience, technical expertise, and local knowledge, M&G is the trusted choice for boat owners across Guernsey and beyond. From essential supplies to specialist marine products, our team is here to help. Get in touch today or visit us in-store to find exactly what you need.