About

Who We Are

TOP-RATED AND CERTIFIED WHANGAREI AND NORTHLAND PLUMBERS SINCE 1990

Watco Plumbing is a family-owned plumbing company providing trusted quality and affordable plumbing services to Whangarei and Northland's residential, commercial and industrial properties.

With a consultative approach, Watco Plumbing works closely with clients to provide cost-effective solutions that ensure their needs are met at each stage of the work. With a focus on safety and a quick turnaround that meets your timeframe, we ensure crystal-clear communication throughout that ensures the job gets done seamlessly.

Backed by a wealth of industry experience and know-how in all aspects of plumbing, there is no job too big or small for the Watco Plumbing team.

Meet the Team

Mike Williamson, Owner - Managing Director

Mike brings 38 years of extensive industry experience and diverse industry credentials in spearheading the highly-trained team of Watco Plumbing.

Mike's strong commitment to the Northland community is to provide an honest, reliable, professional service, regardless of the project size.

Mike's Story

Mike completed his apprenticeship with FB Hall in Hamilton in commercial and industrial plumbing. He then moved to Glover Plumbing in Mt Maunganui, performing new builds and commercial projects. After 8 years, he changed direction and worked in the marine industry building and installing marine systems on super yachts and composite ocean racing boats. After a stint overseas, he returned to the marine industry as a marine plumber before moving to Whangarei and joining Watco Plumbing in 2007.

In 2014, Mike became a partner in Watco Plumbing. After a successful 7 years, the opportunity arose to take over full ownership of the company in 2021.

Mike's Industry Qualifications

Registered Plumber
Registered IQP Auto Back Flow Preventor
Level 3 Certified in Infrastructure Works (National Certificate for Infrastructure Pipelaying)
Certified in Electrofusion and Butt Welding
Qualified Processor and Installer of Aquatherm Pipes

Industry Specialisations, Accreditations and Associations

Specialist in Backflow Prevention
Confined Spaces, Permit Receiver & Issuer
Working at Heights Accredited
Master Plumbers
Sitewise Gold Accredited

Leasa Williamson, Owner - Office Manager

Leasa runs the office, including all aspects of admin, finance, payroll, HR and health and safety.

She started work in a shipping company in Auckland as a container controller before venturing overseas. On returning to NZ, she worked for 15 years for a chemical importing company in various roles covering all aspects of office administration and operations.

Mike and Leasa moved to Whangarei in 2007 for a lifestyle change and to spend more time with the kids. Leasa found a school-friendly job at a local free-range chook farm and she spent many years there becoming their Office Manager.

Leasa joined Watco Plumbing in 2014 with the change in ownership and greatly enjoys being part of the team bringing everything together for the customer. The husband and wife tandem brings the personalised service experience a boutique company provides while ensuring a big company's workmanship capability and quality.

Who We Are

TOP-RATED AND CERTIFIED WHANGAREI AND NORTHLAND PLUMBERS SINCE 1990

Meet the Team

Mike Williamson, Owner - Managing Director

Leasa Williamson, Owner - Office Manager

Your trusted PLUMBers providing RESIDENTIAL, COMMERCIAL AND INDUSTRIAL services in WHANGAREI AND NORTHLAND.