Business Testimonials

Canterbury College, Craig Nimmo

May I take this opportunity to thank you and your company for their excellent performance and duties in providing a service and maintenance contract to Canterbury College. I would like to…offer Guardian a 4th year ...

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Mr D. Hiester

I’ve been with Guardian for nearly ten years now.  The office and the engineers are always polite and they come when they say they will.  I’d recommend them to others.  They were especially good at ...

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