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Welcome to
Couper Door Services

Couper Door Services is a New Zealand owned and operated business in the commercial and industrial maintenance sector. We have been servicing all types of door hardware for in the greater Waikato for over 30 years.

We specialise in the installation, maintenance and IQP inspection of all types of automatic sliding and swing door systems. We also install, maintain and repair all types of locks, egress mechanisms, door closers, floor springs and general door hardware.

Grant Webster is IQP registered for the Greater Waikato, Bay of Plenty, Thames-Coromandel and Ruapehu Districts and is a New Zealand registered electrician.

We are an independent family owned business and offer service and IQP inspections to a full range of automatic door operators. We provide an installation, commissioning and warranty service for a number of manufacturers of automatic door operators. We also provide local breakdown service for a number of national door maintenance companies in New Zealand.

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Our Services

Couper Doors provides preventative maintenance and reactive repair services, as well as automatic door upgrades and installation. We recognise the needs for businesses and building owners to have a trusted partner for quality service and repairs and we continually seek to meet those needs.

We install, repair, maintain, inspect, and replace all types of:
  • Commercial automatic door systems, including all brands and models of automatic sliding & swing door operators.
  • Surface door closers, overhead transom closers and floor springs.
  • Locks & hardware.
  • Panic egress devices.
  • Hinges, pivots and sliding door track systems.
  • We provide scheduled automatic door IQP inspections and preventative maintenance programmes.
  • All staff hold current Site Safe Passports.
  • We offer a 24 hour callout facility for existing clients.

More about our services

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What our clients have to say

Excellent fitting job. Great service, thank you.

- Selecta Carpets

Council carries out numerous audits under Sec. 111 of the Building Act 2004; - These inspections reveal that your records and documentation pertaining to Automatic Door(s) Systems are consistently of good quality in meeting compliance with the issued Compliance Schedule and Act.


Consequently, we would like to compliment Couper Auto Doors staff on the professional manner in which these documents continue to be presented on site. We do appreciate your efforts.

- Chris Krystman, Building Officer Audit, Hamilton City Council

I would like to pass on my appreciation on the service from your company when our main entrance auto door broke last month. The repair was carried out promptly and the serviceman did his best working around our customers coming in and out of the shop.

Thanks very much.

- Joanne Leask, Leask Toolshed, Morrinsville.

Grant has been engaged by me and others of my staff employed by Opus International Consultants Ltd in Hamilton to undertake servicing and testing of automatic doors and other related works.

I am impressed with the service provided by Grant, his manner and business ethics.

I have no hesitation in recommencing Grant for the completion of IQP inspection, servicing and testing relating to auto doors and doors in general.

- Dave Coker, Opus International Consultants Ltd

We manage a large portfolio of commercial buildings (office, industrial and retail) and a lot of multi owned buildings in the city.

I have known Grant Webster for over fifteen years as initially he provided electrical services to our range of property owners' buildings and in more recent years he services all their automatic doors.

He has been extremely reliable, thorough and continues to provide a fine services.

I would recommend him to any of our clients and colleagues.

- Paul Perry, Lease & Property Management Ltd

Grant Webster, of Couper Door Services, has been contracted by Council to service our automatic doors and carry out locksmith functions for the past few years.

During that time we have found him to be reliable and responsive, and we are entirely satisfied with his performance.

- Barry S Goodman, Property Officer, Waikato District Council

Grant Webster and his team have consistently met our expectations in relation to the regular servicing of our automatic doors and building warrant of fitness IQP certification requirements. Automatic door faults are rectified promptly both during and after normal business hours.

We look forward to our continued association with Couper Door Services and have no hesitation in recommending this company to others.

- Craig Steel, Operations Manager, Kiwi Property Management Limited

Bloody good service and result. Will definitely call again if any other problems and will recommend your business to others.

- Mitch Henderson, Avalon Traders Limited

Photo of a person testing electrical components