t: 01246 906 124,

m: 07792 665 316


In abeyance of UK Government lockdown protocols our Office / Shop is now closed until further notice. Please do not come to us / attempt to come in – the doors are locked and will not be opened.


Domestic IT : Sales & Repairs

Desktops, laptops, Macs, PCs, tablets, phones, broadband. Call us for a quote.

Find out more

Business IT Support

Computers, printers, networking, NAS... Book an on-site visit today.

Find out more


We are proud to support local schools' computer systems and networks.

Find out more

Killer-Byte fields one of the foremost IT repair teams in the Sheffield / Chesterfield area.

Established in 2006 we provide high quality IT support, equipment and repairs to homeowners, schools and business customers, and are an official Epson approved Express Centre.

Computer support in South Yorkshire and Derbyshire

We operate throughout South Yorkshire and Derbyshire and offer both ad hoc and contract repairs and support, virus removal, computer sales and computer recycling as well as servicing and optimisation, data recovery and expert network installations.

For more information, call us today on 01246 906 124 or email us at

** Coronavirus disease (COVID-19) Lockdown **

In abeyance of UK Government lockdown protocols our Office / Shop is now closed until further notice. Please do not come to us / attempt to come in – the doors are locked and will not be opened.


Behind locked doors we still operating a limited Remote Support and Repair Service with a single engineer on-site and will endeavour to complete current work and get your equipment back to you as quickly and safely as possible. We are experiencing a higher rate of emails, calls and text messages, so if we do not get back to you straightaway, don’t worry we will be responding as soon as we can. If possible please contact us via email (andrew.coy@killer-byte.co.uk) or txt / iMessage (07792 665 316 / 07388 317 987).


Thank you for your patience at this critical time and stay safe.



Domestic IT support and Repairs

If you're having issues with your Laptop, PC or anything else, we can help! And if you can’t get to us, we can get to you with our Home Visitation option - we can send an engineer to your home to resolve most simple issues on-site with you. Our services include:

  • Windows & Macs, PCs & Laptops
  • Phone and Tablet Repair
  • Computers built to your specification
  • Upgrades, repairs & troubleshooting
  • Servicing and optimisation
  • Wireless networks & broadband
  • Security, firewalls & data recovery
  • Virus or spyware removal

Find out more


Get in touch

Enter your email address or your phone number to request a free ring-back...

About Us

Killer-Byte was established in 2006 with the core values of offering comprehensive IT support at sensible prices. The business quickly expanded from the domestic market into support for schools and business and these three areas are still the core specialist areas we work in today.

We now provide tailored support services for anything from a single computer to multi-domain business networks. We have a repair centre located in Dronfield where you can bring your equipment for repair.

For details call us on 01246 906124.

Business computer network repair

Sheffield logoKiller-Byte now making a killing

Killer-Byte are working closely with the Sheffield Growth hub to provide ongoing analysis and development of our working practices in an effort to give the most efficient and effective service to our customers... 


Epson Express Service Centre

Killer-Byte is a fully authorised Epson Certified Service Centre offering Authorised Epson Service Centrerepair services and an extensive range of the latest Epson products. From replacement Epson ink and paper to troubleshooting, diagnosis and repair, you'll find all you need to keep your product in peak condition, including:Free advice
  • Highly trained engineers
  • On-the-spot repair or courier replacement service

Find out more - Epson Printer Specialists

  • Epson logoComprehensive range of Epson inks, papers and accessories
With Support from the North East Derbyshire Growth Fund

Working with these brands

Killer-byte Ltd

51 Chesterfield Road
S18 2XA

Tel: 01246 906 124

Tel: 07792 665 316

facebook  twitter  

website by killer byte, powered by panpage

This website uses cookies for statistical usage data. By continuing to use this site, you agree to the use of cookies. Don't show this again