on365 is the UK's leading provider of critical power and cooling services for IT. With over 25 years experience, we specialise in the design, installation, maintenance and optimisation of critical physical IT infrastructure and utility services.
Whether it's a small Server Room or a complete Datacentre build we have the necessary expertise to meet the IT power and cooling challenge, delivering support at the very foundation of your IT technology.
"The long-term commitment to customers and the integrity of our staff has set us apart from other suppliers. We have always taken a longer term view of the needs of customers rather than cutting corners to make a short term profit."
Colin Richardson, Managing Director on365
on365 is an APC Elite Partner and SGI Trusted Advisor.

Extensive and comprehensive product portfolio from the REC supply to the server lead. Complete Datacentre build to rack accomodation. Includes power, cooling, accomodation, security, management and protection.

Over 25 years of experience in delivering the highest levels of power protection solutions.

Recognised as the UK’s most successful provider of the implementation and operation of the complete Network Critical Physical Infrastructure solution for major business IT and communication systems.

Full quality assurance and comprehensive accreditation and certification including fully safety vetted staff.

A National Control Centre using one of the latest software-based management systems offering nationwide service and support.

A team of experienced, professional and qualified engineers.

Impressive company facilities including a dedicated 36m2 fully operational demonstration room.

APC Elite Partner, APC Rack & Stack Partner and APC Service Partner.

Largest provider of APC Infrastruxure (ISX) solutions in the UK and purchase more APC equipment than any other APC Partner in the EMEA region.
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on365. Specialists in power and cooling from the Desktop to the Server Room to the Datacentre.