At Guymark we ensure our service is efficient and exceptional throughout from the moment you pick up the phone all the way through to ensuring the product is delivered perfectly… It may sound like we’re blowing our own trumpets, but don’t just take our word for it read our client feedback below:

“I would recommend the Guymark service team to anyone, we have always been totally satisfied with the service and the work they undertake for us. They are always helpful and provide appropriate advice on maintenance and calibration matters.”

Paul Holiday, Former Professional Head of Audiology, West Park Hospital, Wolverhampton


“Guymark UK provide an excellent service, they have an extensive knowledge of audiometric calibration. They are always willing to work with you to undertake non-routine calibration and their inclusion of the Medical Equipment Safety Test means that there are no hidden extras to pay for.”

John E FitzGerald BSc PhD CS, Consultant Clinical Scientist, Head of Audiological Services, Norfolk & Norwich University Hospitals


“By signing a five year calibration contract with Guymark, we have taken away the headache, as all our calibration now takes place “insitu” the flexibility of this arrangement gives us the least disruption to our service users. Guymark manage all aspects of the contract from the paperwork to the dates for the visit, we have been allocated specific dates for the next five years enabling us to plan our clinics in advance.”

Keith Fotheringham, Former Head of Audiology Service, Braid Valley Hospital, Ballymena, Northern Ireland