Coverage and Response Times

Constant Power Services Ltd is a 24-7 365 operating company. Our service team regularly perform preventative maintenance and installation work both in normal and outside normal working hours and is supported by a team of standby technicians. Constant Power Services Ltd is used by many of the leading UK institutions, public bodies, industrial and commercial companies. We simply have to operate 24-7 to meet their requirements and maintain our position as one of the UK's leading power protection service companies. Our service centre uses a sophisticated remote monitoring system called CPSWatch and the latest communications tools and systems.


Geographic coverage and network

  • The Constant Power Services Ltd service network covers the UK and Eire with Employed technicians based in:
  • England – Eastleigh, Slough, Letchworth, Stevenage, Royston, Luton, Manchester, Bradford, Sunderland
  • Scotland – Glasgow and Derry
  • Northern Ireland - Carrickfergus

All Constant Power Services Ltd technicians and approved service partners are fully authorised to work on our systems have been trained by the manufacturer. This protects your warranty or extended warranty plans and means that these technicians have access to Riello UPS supplied parts.


Service Hours

The main service and technical support teams can be contacted during normal working hours:

  • Monday to Thursday 08.30 to 17.00
  • Friday 08.30 to 14.00

Emergency Response

Outside working hours maintenance agreement holders have a dedicated hotline to call should their power system develop a fault condition. Where their power systems are connected to the CPSWatch remote UPS monitoring software, CPSWatch itself will alert the 24-7 team of the need to respond with a customer dedicated script.

For more details please telephone or email our service team.