About Approved Technical Service Ltd

Owner Mark Denny trained and served with one of the UK’s leading gas companies for over 15 years, and became widely known as an honest, loyal and reliable gas engineer. Approved Technical Service Ltd was formed with one overriding goal in mind – to provide high quality plumbing and heating services in Leicester and throughout the surrounding areas using a customer-focused approach. Approved Technical Service Ltd carry out all aspects of gas work, boiler installation and servicing, breakdown repairs, gas cooker installs, landlord safety checks.