PSU Technology Group have been supplying and maintaining Intertel phone systems since the late nineties and are consistently one of the top resellers and maintainers looking after some of the biggest names in the UK.  In this section you will find a selection of companies and organisations that put their faith in PSU to ensure that their systems are available 24/7. 


Customer Testimonials

"These days it is rare to be involved with a company that backs up what they talk about in their promotional material. PSU have always responded to our issues with speed, accuracy and care. We use various IT related companies at Culligan but none match PSU for 100% Satisfaction. Thankyou and well done all!"
Culligan Water

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Customer Portfolio

The Goldsmiths Group is the largest quality jewellers in the UK, with stores in every major town and city from Aberdeen to Torquay and 5 in Northern Ireland. 

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Case Studies

Matthew Homes – A Multi Site Solution
This case study details how in just 20 years one company has grown to be one of the largest building company's in England.

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Trigger Software work with their clients to identify the requirements for software that cannot be found elsewhere and then design and build a solution. 


Principal Reseller Group




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Links you may find of interest: Mitel Phone Manual | Mitel phone System