Ensuring machinery is safe and ready to use takes an expert engineer who understands WorkSafe regulations and interprets it into everyday functional safety.
We have specialist Functional Safety Engineers (TÜV Rheinland) on hand to help.
Our experienced engineers can provide Machine Safety Design and build services and install a range of protective mechanisms to ensure optimal safety for manual or engineering interventions. We can undertake hazard identification, task analysis and utilize prevention methodology to prevent hazards and minimise harm.
Our specialists are continuously learning to keep up with latest health and safety industry standards so you know you’re compliant when you’re using Hennessy.



From high-stakes greenfield electrical project work to EVC installations, our clients count on us for our technical know-how, project experience, and reliable, expert support to help keep their project running smoothly.

Hennessy offers a comprehensive range of electrical services, from appliance testing and thermal imaging surveys to ongoing maintenance and prompt breakdown support.

With decades of experience in electrical engineering, our expert electricians can assist with a variety of electrical needs, from commercial general lighting right through to switchgear and transformers for heavy industry.

Hennessy offer fully qualified instrument Technicians who carry out Instrumentation Calibration, commissioning, and installation services for clients across the Waikato region.

We offer bespoke design, planning and installation of production factory and warehouse automation systems for supply chain manufacturing, food and beverage production, robotics, retail and agricultural industries.