Through the three generations of Dempsey family leadership, Grammar Group has grown and changed with industry. We have dedicated ourselves to staying on the forefront of technology and delivering on our family values of exceptional service to our community and customers.


Established in 1948, Grammar Electrical is highly experienced in delivering cost-effective and robust solutions for small jobs through complex workflows. Through the three generations of Dempsey family leadership, Grammar Electrical has grown and changed with the industry.
We have dedicated ourselves to staying on the forefront of technology and delivering on our family values of exceptional service to our community and customers.
In 2022, we acquired Water Works further expanding its offerings to customers by providing plumbing, gas fitting and roofing works. Today, Grammar Group offers top-notch electrical and plumbing services, rooted in a commitment to delivering "Good Vibes" through every project.
























Our leadership team brings decades of industry experience - not just on the tools, but across project management, compliance, business operations, and client relationships.
They’re hands-on, forward-thinking, and committed to delivering high-quality work and a strong team culture.












Our team of tradesmen are all New Zealand registered and bring a broad range of experience across residential, commercial, and industrial work. Whether it’s a complex site install or a quick call out, they show up on time, work safely, and deliver high standards - every time.

























