Our Services


Hardware Repairs, OS Repairs, Virus-Malware Removal, Upgrades, Computer Repairs.


From Hard Drives, SSD's, RAID arrays, smartphones and other storage media.

IT Support

IT Infrastructure Setup, Remote and Onsite Support, Flexible Agreements, Network Setup


Personal Blog and Commercial, E-commerce, Search Engine Optimisation


One to One or group tuition for generic or specialised topics and software.

  • Gary Levinson

    Definitely the best service in the area, Lee came to my house and fixed my PC which had been driving me mad for months. He also made my Internet speeds a lot faster at no extra costs and clearly explained to me what the issues were and how he fixed them. The knowledge, experience, attention to detail and price set them high above every other local service I called over the years. 10/10.

  • norman roberts

    Lee was very helpful and thorough , fitted a ring door bell system for me and carried our a computer service and gave as much time as was needed to complete the work satisfactorily

  • Maureen Blake

    very reliable young man good worker honest pleased with his work would strongly recommend.

  • Jo Hertsis

    David and I were very pleased with the help and advice we had from Lee Greenfield. HEe programmed our telephone laptop and tablet,also our heating..

  • Frankk Edwards

    I just received a four connector flash drivethat connects to my phones and computer. I've been looking for something like this for ages. I only ordered it yesterday and it's here! I'm a happy bunny. Cheers.

  • Russell Lewis

    I took a punt as Lee was not recommended but I needed a “quick fix” , he is local & was available
    It became obvious to me he not only knew what he was talking about but also spoke in plain non geeky so I understood what he was doing
    Job done with satisfaction at a fair price
    Would most definitely recommend and use again if needs be

  • Dilek Dogan Leandro

    Onitek Digitool multi purpose portable and ready to carry on a small key chain useful gadget with 5star quality 💐💕

  • Ryan Fairbrook

    The mini computer is brilliant. I didn't realise it would be so small. It's actually more powerful than my old computer by miles and it's an 8th the size. I'm actually impressed!

onITek | IT Support

PC Health Check

Is your computer running slowly or unresponsive? It's time for a checkup.

onITek | IT Support

Computer Repair

Has your PC packed in? Hardware not working? Get it diagnosed ASAP.

onITek | Home IT Support

Home Business

Need support for your home business / home office? We've got you covered.

onITek | IT Support

New PC/Laptop Setup

Having trouble setting up your new machine and adding devices to it?

onITek | IT Support

Antivirus Solutions

Computer caught a virus? Need a bug eliminating or virus protection?

onITek | IT Support

Parental Controls

Want to protect your content from your child and your child from online content?

onITek | IT Support

Internet / Network

Having problems with your network, Internet or wifi? No problem!

onITek | IT Support

Smart home Setup

Want to control your lights / heating via your phone or voice?

onITek | IT Support

Technical Support

A programme stopped working? Trying to do something but can't?

Local computer repair and support onsite. We will come to you.

Computer repair and tech support in Borehamwood and surrounding areas. we will fix your PC, setup your home network or configure your smart device at your address. No Fix No Fee, one set price, no hidden charges and all work is guaranteed for 90 days for peace of mind.

My computer is running slow, what steps can I do to fix it?

Computer running slow or computer crashing can be caused by many factors and it’s always a good idea to make sure that you either optimise your PC yourself regularly or as many people find it too complicated book it in for a servicing / health check.

That’s where we come in. We will perform all of the steps needed to get your computer running at it’s optimum speed and make sure that the security of your system is up to date and running as it should be. If your computer has a virus, malware or any other type of infection, we will fix it and make sure that it has suitable protection to avoid similar infections in the future.

We offer full onsite IT support in your home at the cheapest prices and our work is guaranteed for 90 days, so why put up with a slow PC? Give us a call and we’ll fix your computer and give you advice on what you can do to keep it secure and running smoothly.

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Repair diagnostics

We will come to your home / office and evaluate your PC and inform you of what the issue(s) may be. If you then want the issues fixed we will agree a price and carry out the work. If not, that's fine too.

Fast repair

Once the issue has been diagnosed we will repair your PC as quickly as possible. If a part(s) need replacing, then we will either order in the part and come back or take the computer with us and return it when fixed. Whatever you prefer.

90 days warranty

All work carried out comes with a 90 day warranty, so you can rest easy that if the same issue(s) arise again during that time, they will be fixed for you free of charge.

How to find us

Kinetic Business Centre, Borehamwood, WD6 4PJ0333 300 1462info@onitek.co.uk

Opening hours

Monday-Friday09:00 - 18:00
Saturday10:00 - 14:00
Sunday10:00 - 14:00

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