Server hardware in a dark server room lit by orange and blue lights
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Since 2003( Trusted by 65+ local organisations )

Fabulous Computer
Support When IT
Really Matters

Computer repairs, networks, antivirus and websites for homes and businesses in Grimsby and beyond, from your local I.T. partner since 2003.

Who We Are

Mariner Computer Services provides a wide range of I.T. services, including web design and computer repairs, for a vast number of clients in both the home and business markets.

A Grimsby company since 2003. Trevor Ellis looks after computers, networks and support; J. Ellis designs and builds the websites.

What We Do

Straightforward, personal I.T. help, from choosing a new laptop to keeping your website secure.

Technician repairing a laptop motherboard with a screwdriver

Computers & Laptops

We advise on, source and build PCs and laptops from several manufacturers to get you the best value.

Network Installation

New networks designed and installed, and existing ones updated, by qualified cabling technicians.

Websites You Can Update

Responsive websites with training on our content management system supplied at no extra cost.

Antivirus & Remote Support

Avast CloudCare protection we monitor for you, and remote help on your PC when something goes wrong.

Why Choose Mariner

Fabulous computer support from people who know your setup.

Local & Personal

A Grimsby company since 2003. You deal with the people who do the work.

Remote Support

In a booked session we connect to your Windows PC with Quick Assist and fix it there and then.

Registered Avast Reseller

Avast CloudCare lets us monitor your protection and contact you when an issue is detected.

Websites You Can Update

Use our content management system yourself, with training supplied, or let us manage it for you.

Need a Hand With Your I.T.?

Call us on 07963 065354 or send a message, and we’ll get you sorted.

Websites We’ve Built

Local businesses, clubs, councils and civic societies trust us with their websites.

See the full list of 62 websites, sorted by sector.

Contact Us

Call us on 07963 065354, or send a message and we’ll get back to you. For a remote support session, call to book a time.

We only use your details to reply to your message.