We are a multi-disciplinary engineering consultancy driven by our deep-rooted culture of flawless technical engineering solutions and exceptional customer service. Our culture and our passion for excellence allow us to deliver top-notch consulting services and A-rated customer experience to our clients across Australia. We specialise in building services engineering for Electrical, Mechanical, Hydraulic, Fire Protection, Vertical Transportation and Sustainability.
Qualified Building Services
Engineers in Australia
Essjay Consulting Engineers is a 100% Australian owned and operated company with a range of expertise spanning the entire building project’s life cycle.
Ideas and Solutions
When you work with Essjay Consulting Engineers, you work with a team that’s wholeheartedly committed to new ideas and ingenious solutions and is truly committed to your requirements and goals.
Precision and Detail
With more than 22 years of experience in the building services industry, our designer-in-chief and founder is a registered Building Practitioner (EE). Clients trust us for our precise, detailed and accurate engineering services that ensure your project shapes out just the way you envisioned and on budget.
Certified Engineers
At Essjay, we recognise that every project is unique in application, size, character and quality. We take the time to understand your requirements to deliver engineering services that meet the specific objectives of your project. We take a hands-on approach to designing projects whilst keeping in mind the desired functionality, budget and sustainability to ensure you achieve your goals.
Work to Schedule
We are committed to providing a solution that exceeds our client’s expectations every time. To that end, we provide a flexible service and go the extra mile in everything we do every day. Our goal is to work in partnership with you to help realise your ideas and show you what’s possible. No matter how small or big your project, we work with you from concept through to completion to make your job a lot easier.
We provide the efficient & tailored engineering design solutions for the complete building services using our expertise within the sector strictly to meet our clients requirement.
Learn moreFrequently Asked Questions
What is Essjay Consulting Engineers?
Essjay Consulting Engineers is a multi-disciplinary building services engineering consultancy based in Mulgrave, Victoria. We provide tailored engineering design and consulting services across Australia for commercial, residential, industrial, healthcare, education, retail, and mixed-use developments.
What engineering services do you provide?
We provide Electrical Engineering, Mechanical (HVAC), Hydraulic, Fire Protection, and Environmentally Sustainable Design (ESD) engineering services for projects of all sizes.
What industries do you work with?
Our engineers work across shopping centres, commercial offices, apartment developments, hotels, medical centres, supermarkets, aged care facilities, educational institutions, retail stores, and industrial projects.
What is building services engineering?
Building services engineering involves designing and coordinating the essential systems within a building, including electrical, mechanical, hydraulic, fire protection, and sustainability systems to ensure buildings are safe, efficient, comfortable, and compliant.
What do your Electrical Engineers design?
Our electrical engineers design lighting systems, emergency lighting, power distribution, switchboards, backup power, fire detection, CCTV, security systems, and electrical infrastructure in accordance with Australian Standards.
What do your Mechanical (HVAC) Engineers design?
We design heating, ventilation and air conditioning (HVAC) systems including VRF, chilled water, split systems, ventilation, smoke control interfaces, energy-efficient solutions, and indoor comfort systems.
What do your Hydraulic Engineers design?
Our hydraulic engineers design water supply, drainage, sewer, stormwater, hot water, gas reticulation, trade waste, and plumbing systems that comply with Australian Standards.
What does your Fire Protection team provide?
We design fire alarm systems, sprinkler systems, hydrants, hose reels, smoke control systems, and fire safety infrastructure to protect people, buildings, and assets while meeting Australian compliance requirements.
What is Environmentally Sustainable Design (ESD)?
ESD focuses on reducing energy consumption and environmental impact through energy-efficient design, renewable energy integration, water conservation, NABERS, Green Star, and NCC compliance.
Can Essjay provide only one engineering discipline?
Yes. We can be engaged for a single engineering discipline or provide a fully coordinated multi-disciplinary engineering solution depending on your project requirements.
At what stage should we engage Essjay?
We can assist from concept design and feasibility through planning approvals, detailed design, construction documentation, tender support, Design & Construct projects, and project completion.
Are your engineers registered?
Yes. Our engineers are registered Professional Engineers and Chartered Engineers with Engineers Australia and comply with relevant state registration requirements.
Which Australian states do you service?
We currently deliver engineering projects across Victoria, New South Wales, Queensland, South Australia, Western Australia, Tasmania, and the Australian Capital Territory.
Why choose Essjay Consulting Engineers?
With over 25 years of combined industry experience, we provide coordinated engineering solutions, technical excellence, practical advice, and reliable project delivery. We work as your engineering partner from concept through construction, ensuring every project is delivered efficiently and professionally.
