Electrical Systems is an electrical contracting and servicing
company established in 1993 by Managing Director Ross McKoy.

Ross brings a well-rounded sense of balance to the company. He worked for approximately 35 years in the electrical industry, both in New Zealand and off shore, with 25 of those years running his own business in general electrical contracting.

Electrical Systems has always maintained a strong customer-centric focus. Combined with high quality workmanship, an assurance that all projects are completed on time and within budget, the company offers a service that is second to none!

Our tagline <all systems go> is a true reflection of the company's core strengths and values. We are the electrical business behind your business, when we service your electrical systems everything works!

Since its inception, Electrical Systems has grown from strength to strength with a group of multi-disciplined experts in the field of electrical, renewable energy, data and security.

All Electrical Systems electricians have met the high safety standard and commercial criteria set by the Electrical Contractors Association and all are registered MASTER electricians.

In addition to the general contracting and commercial service department, Electrical Systems, also have a domestic services department. Whether you require complete home renovations or power point installations, Electrical Systems deliver a trusted, friendly service, excellent workmanship and competitive pricing.

From changing light bulbs, to million dollar motorway lighting and construction contracts, Electrical Systems listens to their customers needs. We get things going and then keep them going with a minimum amount of disruption to the home or the workplace.

Our Services

Our Work

The following are examples of some of the work we have completed over the years in different categories.

Educational & Religious Institutions

  • LDS Park Estate Church
  • Kristen College
  • Mt Albert Grammar School
  • Manurewa Intermediate
  • Silverdale Childcare Centre
  • Sylvia Park School
  • Mt Albert Baptist Church
  • Khmer Buddhist Temple
  • Koru School
  • Greenhithe Primary School
  • Takapuna Primary School
  • Small Fries
  • Mairangi Bay Church
  • Howick Intermediate 


  • Moroni High School, Kiribati
  • Nauru Learning village, Nauru

Residential Housing

  • Te Marama Rd, Ellerslie
  • Karemoana House
  • Bayswater Ave
  • Atkin Ave, Mission Bay
  • Whitby Tce, MairangiBay
  • Caldwell House
  • Felton Matthews Ave
  • King Edward Parade Apartments
  • Haddon House
  • Selman Rd
  • Rawene Rd Apartments
  • Proximity Apartments
  • Burton St Apartments
  • Remuera Rd Development

Retail Outlets & Lighting Projects


  • DFS Custom House Retail Centre
  • Countdown Glenfield
  • Honda Newmarket
  • Countdown St Lukes
  • Huapai Retail Centre
  • Countdown Takapuna


  • Mangatawhiri Motorway Deviation
  • Auckland International Airport
  • North Harbour Hockey Fields
  • Mairangi Bay Tennis Club
  • Greenhithe Tennis Club

Hospitals &
Rest Homes

  • Peninsula Club
  • Leabank, Manurewa
  • Northbridge Rest Home
  • Caughey Preston Hospital & Rest Home
  • North Shore Hospital
  • Computer Room
  • North Shore Hospital ICU