Our Team
Meet the dedicated team behind GRE Services. With deep local roots and over 33 years of experience,
our skilled professionals take pride in delivering safe, reliable, and innovative solutions for our community.
Josh Roberts
Owner/Director
Josh is the Company Director and owner, with over 33 years of experience as a fully qualified electrician. His extensive career encompasses both New Zealand and the UK, with significant experience in the commercial and residential sectors. Josh is pivotal in managing the day-to-day operations of the business and overseeing the project management of large-scale electrical projects. Josh’s career is marked by a diverse portfolio of projects, ranging from hands-on electrical work to high-level management roles. His expertise includes coordinating and executing complex installations, leading teams, and ensuring projects are completed on time and to the highest standards. His leadership extends to strategic planning and client relations, ensuring that each project aligns with client needs and company goals. His dedication to excellence and innovation continues to shape GRE’s achievements and maintain its reputation for quality.
Contact Details:
03 546 9930 xt.7
josh@greservices.nz
Nichola Strom
Owner/Director
Office & Finance Manager
Nichola is the Office and Finance Manager and co-owner of the company alongside Josh. In her multi-faceted role, she oversees financial reporting, accounts payable, payroll, and a variety of administrative functions. Nichola also manages the Dental and Medical Service team and is responsible for managing client relationships, coordinating service schedules and contracts, managing inventory, and liaising with suppliers to ensure the timely availability of parts and materials. Nichola’s leadership ensures that the Dental and Medical Service team operates smoothly and efficiently, delivering high-quality service to clients. Her strategic insights and keen attention to detail are vital to the company’s success, ensuring both efficiency and the continued maintenance of high standards.
Contact Details:
03 546 9930 xt.4
nic@greservices.nz
Colin White
Owner/Director
Operations & Solar PV Manager
Colin is an experienced electrician with over 23 years in the industry, bringing exceptional people and leadership skills to our team. As Operations Manager, he ensures the smooth operation of this busy department by working closely with our electrical team, our customers, and suppliers to deliver top-notch service and maintain high standards. His commitment to customer satisfaction and team efficiency is unmatched. Beyond his role in management, Colin also leads our Solar PV division, Solar Smart Energy. He is dedicated to providing customers with customised, Solar PV system designs that meet their unique needs and oversees the entire installation process – ensuring that every project is executed flawlessly from start to finish. His expertise and dedication to renewable energy make him an invaluable asset to our company and a trusted advisor to our clients.
Contact Details:
03 546 9930 xt.2
colin@greservices.nz
Rebecca McLean
Owner/Director
Service Team Manager
Rebecca is the Service Team Manager, bringing over 16 years of experience and dedication to our company. She works closely with Colin, our Operations Manager, to ensure the smooth and efficient management of our busy Service Team. Rebecca’s role is pivotal in coordinating and overseeing all service operations, ensuring that every job is attended to promptly and professionally. As the first point of contact for our customers, she provides friendly and efficient service, making her an invaluable asset to our team. Her commitment to customer satisfaction and her ability to effectively manage team dynamics ensure a seamless and positive experience for all our clients. Rebecca’s dedication to excellence plays a crucial role in upholding the high standards of our service operations.
Contact Details:
03 546 9930 xt.3
rebecca@greservices.nz
Gareth Hammon
QS and Project Manager
Gareth is an Estimator with over 33 years of experience in the commercial, light industrial, and domestic areas of the electrical field. Gareth has gained extensive experience working throughout the South Island before settling with his family in the Nelson/Tasman region. His exceptional interpersonal skills and ability to effectively communicate with clients are key assets in his role. Gareth is responsible for providing accurate quotes across all facets of the electrical industry, ensuring that every project is priced competitively and reflects the highest standards of quality. He also plays a vital role in supporting the Operations Manager, contributing to the smooth and efficient running of day-to-day business operations. His extensive knowledge and dedication make him a valuable member of the team, helping to drive the company’s success and maintain its reputation for excellence.
Contact Details:
03 546 9930 xt.6
gareth@greservices.nz
Jon Taylor
Qs and Project Manager
Jon brings over 26 years of experience in the electrical industry, with a diverse background that highlights his expertise and adaptability. His career includes managing high-profile government contracts in Wellington, where he was responsible for both electrical and data components, requiring a high degree of security and trust. He also led a successful electrical business in the Waikato for over 8 years, where he honed his skills in business management and customer relations. Known for his exceptional problem-solving abilities, Jon takes pride in developing innovative solutions that address the unique challenges of each project. His approach combines technical expertise with strategic planning, ensuring that projects are executed efficiently and meet the highest standards of quality. Jon’s commitment to excellence makes him a valuable asset to our team, enhancing our reputation for delivering outstanding results.
Contact Details:
03 546 9930 xt.5
jon@greservices.nz
Andrea Friend
Administrative Coordinator
Andrea manages the scheduled maintenance for our clients Building BWOF Requirements, this includes scheduling, administration & coordinating the IQP inspections for our clients. Her role involves liaising with Councils, Building Consultants, and Owners, as well as scheduling our IQP Inspector, handling invoicing, and managing various administrative tasks. As the Administrative Coordinator, Andrea provides a warm and professional first point of contact for clients, ensuring their inquiries are handled efficiently. Her versatile skill set allows her to assist in all other areas of the company’s administration. Andrea’s attention to detail and commitment to excellence ensure smooth and efficient operations across the board, making her an invaluable asset to our team.
Contact Details:
03 546 9930 xt.1
andrea@greservices.nz
Maryam Zadeh
Health & Safety/Media & Marketing
Maryam handles all Health and Safety Matters at GRE Services. In this role, she ensures a safe and compliant work environment across all company operations, overseeing health and safety protocols, conducting regular risk assessments, and ensuring compliance with industry regulations. Additionally, Maryam handles the company’s media and digital marketing needs, managing online presence, developing digital strategies, and coordinating media outreach. Her expertise contributes to maintaining the company’s safety standards and enhancing its digital footprint.
Contact Details:
03 546 9930 xt.9
maryam@greservices.nz

Electricians and Apprentices
Our team is made up of fully qualified NZ Registered Electricians, with extensive experience both in New Zealand and internationally, including the UK and Europe. Together, they have successfully delivered a wide range of projects across residential, commercial, and specialist sectors. Within the team, we’re proud to have experts such as Electrical Inspectors, IQP Qualified Electricians, and Dental Service Technicians, giving us the ability to provide a truly comprehensive suite of services to our clients
Supporting the next generation of talent is also a key part of who we are. We currently have four Apprentices at different stages of their training, all working towards their electrical qualifications under the guidance of our senior electricians. We actively encourage our apprentices to take part in the Master Electricians’ New Zealand Apprentice Challenges, and their success speaks for itself:
- 2024 Master Electricians NZ Tasman Apprentice Challenge – Daniel Welwood
- 2023 Master Electricians NZ Tasman Apprentice Challenge – Alisha Lewis (Winner Domestic Commercial) Taylor Berkett (Winner Initiative Award)
- 2019 Master Electricians NZ Tasman Apprentice Challenge – Kristoff Ford (2nd Place Winner)
- 2018 Master Electricians NZ Apprentice of the Year Challenge – Thomas Goode (Finalist)
We’re proud of our team’s achievements, from the experience of our qualified electricians to the energy and dedication of our apprentices, all of whom play a vital role in powering GRE Services forward.
























