Server hardware in a dark server room lit by orange and blue lights
Amanda Stiles DogsHealing Parish Council logoUtilities R UsKillingholme Full Bore Club
Since 2003( Trusted by 60+ local organisations )

Fabulous Computer
Support When IT
Really Matters

Mariner Computer Services is a Grimsby I.T. company, trading since 2003. We repair PCs and laptops on site or collected (no fix, no fee), install networks, give remote support and build websites, across Grimsby, Cleethorpes and North East Lincolnshire, Mon to Fri, 9am to 5pm.

Who We Are

Mariner Computer Services has repaired computers, installed networks and built websites in Grimsby since 2003. Today 57 live websites carry our work, for parish councils, civic societies, clubs, trades and professional firms across Lincolnshire and the Humber.

Trevor Ellis looks after computers, networks and support; Joseph 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

Computer Repairs

PCs and laptops fixed at your home or office, or collected. Most repairs £40 to £150, with no fix, no fee.

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

From £400 + VAT, with hosting from £120 + VAT a year and training supplied at no extra cost.

Antivirus & Remote Support

Avast CloudCare protection we monitor for you, and remote help on your Windows PC or Mac 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 or Mac and fix it there and then, wherever you are.

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 57 websites, sorted by sector.

Questions We Get Asked

Which areas do you cover?

We fix computers at your home or office, or collect them, in Grimsby, Cleethorpes, Immingham, Louth, Brigg, Barton-upon-Humber and the villages in between. Remote support and websites are available wherever you are. See the full list of towns and villages.

What are your opening hours?

Monday to Friday, 9am to 5pm (closed on bank holidays). You can send us a message at any time through our contact page.

How much does a computer repair cost?

Most repairs cost £40 to £150. There is no charge for diagnosing the problem, and if it can’t be fixed, you pay nothing: no fix, no fee. See computer repairs.

Can you fix my computer without coming out?

Often, yes. In a booked remote support session we connect to your Windows PC or Apple Mac and work on the problem with you. See remote support.

How much does a website cost?

A website for a small business or a parish or village council starts from £400 + VAT, and is usually live in three weeks once we have all the details. You can update it yourself, with training supplied at no extra cost. See websites.

Next step: tell us what you need

Call us on 07963 065354, Mon to Fri, 9am to 5pm, or use the form below. Computer playing up? See computer repairs. Need a website? Look through the websites we’ve built and our prices.

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.