Your team at Critical Power Supplies operates a quality management system to the ideals and practices of ISO9001:2008 and ISO18001:2007. Critical Power Supplies has built a strong reputation for delivering Uninterruptible Power Supplies and Critical Power Infrastructure solutions because of our high levels of commitment to service, our speed of response and attention to detail.

For more information on our Quality and Environmental Policy Click Here

Our typical Uninterruptible Power Supply and Critical Power Infrastructure customers include manufacturing, service companies, multinationals SMEs, public sector organisations, local government bodies and county councils, Plcs, photographic studies and control panel builders.

Our export department supports a number of clients spread from Ireland to the Middle East purchasing uninterruptible power supplies, DC solutions, inverters and line conditioners.



Market Segments We Operate In

- Automotive
- Finance
- Industrial
- Marine
- Public Sector
- Renewable Energy
- Retail
- Solar Energy
- Telecommunication

Typical A-Z Customer List Includes the following UK & Irish organisations

- 3M
- Actemium Ltd
- Alcatel Lucent Technologies Ltd
- Amket Ltd
- Aspirational Events Ltd
- BBC (London)
- British Antartic Survey this counts as our furthest installation!
- Darlington Borough Council
- Egniol Ltd
- EMI Ltd
- Feedmark Ltd
- Headley Brothers Ltd
- Home users – who purchased IPlug to Dialog Plus UPS solutions.
- HSBC Plc
- Imperial College London
- Jaguar Cars
- Kodak UK Ltd
- Lefarge Cement Ltd
- Met Office
- National Probation Service
- Oil Rigs (North Sea and Asia only)
- Pheonix Housing (Registered Charity note-1)
- Pokerstars (Estonia) features in our top ten of distance to installation.
- QD Stores Ltd
- Queen Mary University
- Room Foss Ltd
- Rowse Honey Ltd
- Surplus Computers Ltd
- Thomas Clarkson Community School
- Velocix Ltd
- Xerox Ltd

Note 1 – Please note registered Charities, Public Sector bodies and not for profit NGO’s including their employees receive additional discount – please contact us for more information.

Showcase Customer Comment and general feedback -

“I requested some details on-line from Critical Power Supplies for their 24VDC UPS systems, I was impressed from their prompt reply, the close attention to detail and their going out of their way to provide me with simplified diagrams they had to produce just for my use. Definitely a very efficient and effective but most of all friendly and responsive team of people. Thanks a lot guys.” Said Ackey Chrysovulos, Chief Resident Engineer, ACE Int’l OMAN.

“Thank you so much for helping with this – can’t tell you how much I appreciate it!”

“Product arrived on time and did exactly what you said it would. Brilliant!”

“Thank you for the initial site survey and informative power report you provided. Overall, we are very pleased with how you managed our order and the electrical installation. We will certainly use you again."

“The installation occurred exactly as planned and thank you for providing the additional rack and PDU’s – ordering them from you saved us time and energy.”

“Being able to order a variety of UPS brands through you, helped us to serve our customers and save time."

“As an overseas customers its brilliant knowing we can reach you 24×7 – it feels like there is no time difference."

“Thank you for helping us to save energy and reduce our carbon footprint. The old three phase UPS was very inefficient and it was great knowing you could take it away to be recycled as part of the installation service.”

To contact Critical Power Supplies and learn more about our recent three phase and single phase UPS installations, generator installations, battery replacement work and maintenance contracts recently purchased Click Here

Critical Power Protectionfrom Critical Power Supplies providing high efficiency, ECO UPS, single phase, three phase UPS, Generators, PDU's, Racks and Extended Runtime solutions, remote monitoring, UPS Batteries,  APC, Eaton, GE Digital, Riello UPS, Rarita
Price Match Service from Critical Power Supplies providing high efficiency, ECO UPS, single phase, three phase UPS, Generators, PDU's, Racks and Extended Runtime solutions, remote monitoring, UPS Batteries,  APC, Eaton, GE Digital, Riello UPS, Raritan, Cy