About Us

Our values

Multiplant is a values-driven diversified engineering, construction and maintenance provider, safely building and delivering projects across Western Australia in the resources, public infrastructure and agriculture sectors.

Multiplant’s experience in delivering projects professionally has seen it earn its reputation as the preferred partner for engineering, construction and maintenance services throughout Western Australia.

We build and deliver

  • On a culture of wellbeing which requires everyone home safe every time.
  • Quality projects with our clients.
  • Careers, confidence and growth for our people.
  • Sustainable and accountable business practices.


We act with humanity in every decision we make to create meaningful connections with our people, our clients and the communities we work with. We act at all times with integrity, respect and care.


We work as a team dedicated to achieving outcomes for our clients and our people. We seek out and incorporate new and innovative ways to deliver a point of difference and we evolve through continuous improvement.


We encourage our people to be intuitive by promoting enquiry, challenging the norms, leveraging collective experience, doing the research and providing alternative ways to engage and achieve.


It’s simple, we are reliable and accountable to each other.

About Us

Management System

Multiplant operates under a reliable Integrated Management System that has achieved Triple A Certification with Ashburton Assurance Australasia against:

ISO 9001:2015 – Quality Management System
ISO 14001:2015 – Environmental Management System
ISO 45001:2018 – Occupational Health and Safety Management System

Multiplant is a reliable and intuitive Group that recognise the importance of putting our people first.

The wellbeing of our people is our main priority and we challenge our team to always use their intuition and their humanity.

Multiplant implemented the Personalised Commitment to Safety for all our employees and subcontractors to develop a personal commitment to their own wellbeing and articulate “why” they need to work safely and contribute to a positive safety culture.

Office of the Federal Safety Commission
Multiplant has achieved accreditation by the Federal Safety Commissioner under the Work Health and Safety Accreditation Scheme.

Meet the team

Managing Director

Nader El Sayed

Chief Financial Officer

Renaldo Oliveria

Executive General Manager - Civils & Infrastructure

Mark Thomson

Executive General Manager - Maintenance & Underground Services

Mark Williamson

Executive General Manager - Shared Services

Emma Hynes

Senior Estimator

Paul Miller


Aboriginal and Torres Strait Islander and Community Engagement Policy
Anti Bribery and Corruption Policy
Anti-discrimination and Equal Employment Opportunity Policy
Contractor Management Policy
Decarbonisation Policy
Diversification Policy
Environmental Policy
Ethics Policy
Fitness for Work Policy
Industrial Relations Policy
Injury Management Policy
Modern Slavery Policy
Quality Policy
Risk Management Policy
Sustainability Policy
Waste Management Policy
Work Health & Safety Policy
Worker Consultation Policy
Workplace Behaviours Policy