We provide expertise across general, design and structural engineering. TPME’s office and workshops are based in Wiri, Auckland and employs over 40 highly skilled staff. The company has been operating for 32 years and credits its growth to its passion for value engineering, reinforced by high quality standards, adaptability, and strong communication.

Our Values

We believe that our success depends not on who calls us, but on who keeps coming back. Repeat business confirms our ability to do it right the first time.


Tony Herewini

Having founded TP Mechanical & Engineering Ltd 32 years ago, Tony brings a wealth of knowledge and experience in manufacturing and fabrication, from smaller contracts to multi million dollar projects.

His ability to identify problems before they arise and deal promptly and effectively with ‘surprises’ is how he has built a name for the company with personal referrals. Having started from the shop floor, Tony worked hard to become the multi-skilled manager and leader of this team and has seen rapid growth at TPME and the establishment of a reputable brand both nationally and internationally.

Aidan Cudmore

As the Engineering Manager, Aidan runs various projects here at TPME. Aidan has a degree in Mechanical Engineering and a strong background in specialist design, machining & fabrication.

He has managed numerous projects in New Zealand & overseas, predominantly in the steel industry. Aidan prices himself on his ability to manage large numbers of staff & being a team player. He excels in approaching projects with creativity & innovation along with meeting project deadlines.

Ken Spence

Ken has a vast knowledge to the Engineering Industry

Siju Mathews
Project Manager

Siju has several years of experience managing projects for the food Industry

Lucy Barrack

Lucy completes all administration aspects of the business

Tyler Kavisi

Tyler has been with TPME for over 10 years, after completing a welding course at MIT he decided to work for TPME, starting off as a trade’s assistance. Since then, he has gained experience in all aspects of the workshop operation, including gaining an International Welding Inspector Certificate and a AS2214 Welding Supervisor Certificate. Working his way up through from working on the floor to Workshop Supervisor and QA/QC Inspector. His responsibilities include preparing and implementing quality assurance policies and procedures, performing routine inspections, Identifying and resolving issues, ensuring that the work is completed to high standards along documenting quality assurance activities. Tyler also oversees all of the purchasing of materials, stock, equipment & any other special job requirements.

Ariel Moreno

Ariel oversees all aspects of the project from purchasing of materials, stock, equipment & any other special job requirements.

Blaine Tufuga
Site Supervisor

Blaine Oversees and co-ordinates the daily operations of the worksite to ensure a high level of performance and compliance with health and safety guidelines.

Gauthaman Kartigesu
Design Engineer

Gauthaman is responsible of the design of new products and overseeing the manufacturing process.



Shane Boggs

Shane is an experienced health and safety leader with a passion to implement positive change here at TPME. He has a strong background in health and safety and enjoys building meaningful partnerships to ensure that health and safety is a fundamental part of our everyday business practices. Shane has been with TPME for 11 years and is a positive and multi-skilled member of the team.

Dinh Dang

Dinh has been in the industry for the past 37 years and is a qualified tool maker by trade and has also spent number of years working as a fitter/welder predominately in stainless steel & in the food & beverage processing sector & more recently taking those skills to a design approach. Dinh is always keen for a challenge in resolving engineering problems.