• 20 years of award-winning IT Support London

    For two decades, we have been delivering IT services to clients who have not only remained loyal to us throughout their IT journey but also constantly refer new business to us. Additionally, most of our core team has been with us since the inception of our journey.

    IT Support London, Cyber Security, Managed Cloud Services and Hosted Telephony.
    Engaging long-term client relationships through impeccable service.

    Contact Us | 02082321190

IT Support London

We have 20+ years experience of providing IT Support to London Businesses, with most customers staying for 10+ years and a core team that has been with the company since the beginning. We resolve your day to day IT Support issues, connect your internet, secure your systems, provide your phones and manage your infrastructure refresh.


Make and receive office calls from multiple devices by combining your Business Telephony with your IT Support. Gone are the days of only having a work phone at your desk. Our exceptional client retention proves that we truly integrate traditional desk phones and mobile with your IT Support Infrastructure.

Cloud Services

What is the Cloud?  The Cloud grid frees you from physical restrictions, both data and voice. Think of it like a power supply grid: Just like factories used to have their own power generators, now they just hook into a grid. We provide the migration experitise and ongoing IT Support to get you up into the cloud successfully.

Cyber Security Services

Don’t let a compromise of your data and network disrupt your productivity, damage your reputation and expose confidential information. This could result in a loss of customer loyalty and therefore a potential business failure. Our tailored security packages are built to suit your business needs and protect your devices, data, emails and employees.

IT Support & Services for Businesses in London

Online Support is an award-winning, ISO-certified IT Support company based in London, with a Microsoft Gold Partnership.

We are focussed on providing IT Support for London businesses. This means we are able to form a close IT Support relationship with our customers – creating a secure, sustainable and healthy IT infrastructure.

Our IT Support helpdesk is super-talented and provides a lightning quick, down-to-earth and personalised service to all of our customers. We focus on IT Support London, so when things do go wrong, you’ll feel supported as soon as you pick up the phone. Emergency onsite visits for any IT Support issues are made same day, so our IT solutions are perfect for fast-paced companies.

Our head office is in Brentford, meaning we can support clients in areas within Central London with ease. We also provide support for businesses throughout the whole of West London and surrounding areas.

Need expert IT support for your business?

  • Comprehensive IT Support

    • Automated Monitoring Systems
    • Flexible Service Level Agreements
    • Fully trained and certified Microsoft engineers
  • Robust Cloud Computing

    • Private Cloud
    • Microsoft 365
    • Azure
    • Cloud Backup & Disaster Recovery
  • Cyber Security Services

    • Cyber Essentials Certifications
    • Managed Antivirus
    • Vulnerability Management and Assessments
    • Email security and phishing testing
    • Cyber security training
  • Streamlined Telecom Solutions

    • ISDN, VoIP & Hosted Telephone Systems
    • Business Mobile Phone Contracts
    • Online Telephony Bill Analyser

Don’t just take our word for it

What our customers say about us

“Online Support have provided an amazing service for our six UK sites. From the helpdesk to account management we appreciate the personal service and prompt and efficient response you offer.”

Qatar AirwaysAdministration Supervisor

“Online Support provide us with a forward thinking and well placed service. This has made significant impact on the efficiency and stability of our network.”

International Bar AssociationOffice Manager

“Online Support are essential for helping when we have any issues with our phones. They always have your best interests at heart and will always do anything to help solve a problem.”

TaleverasOffice Manager

“Online Support are essential for helping when we have any issues with our phones. They always have your best interests at heart and will always do anything to help solve a problem.”


Taleveras GroupOffice Manager