About Demcon
Built on experience. Backed by capability.
Demcon Group delivers high-quality projects across residential, commercial, industrial, retail, education, accommodation, community, aged care, data centre and infrastructure sectors.
Who we are
End-to-end construction, managed from early works to handover
Demcon Group provides end-to-end construction services, managing every stage of project delivery from early works and planning through to completion and handover. Our integrated approach is focused on quality, safety, program certainty, commercial performance and risk management, giving clients confidence at every stage of the construction journey.
Demcon was founded in 2022. Our leadership was not. Our executive team brings decades of combined experience across Sydney and international projects, spanning a broad range of properties and sectors, from large-scale residential communities to complex commercial, industrial and critical infrastructure programs. That depth of experience shapes how every Demcon project is planned, managed and delivered.
Our reputation is built on trust, accountability and performance. Supported by strong governance, certified management systems and a commitment to continuous improvement, Demcon delivers safe, sustainable and high-quality built outcomes that create long-term value.
Purpose
Building with integrity. Delivering with certainty. Creating lasting value.
Vision
To be Australia's most trusted construction partner, recognised for quality, innovation and responsible delivery.
Mission
To deliver exceptional construction outcomes through collaboration, technical excellence, safety and sustainable practices.
Quality
An ISO 9001 certified quality system runs through every stage of delivery. We hand over buildings we are proud to put our name on.
Safety
ISO 45001 certified WHS built on prevention, continuous improvement and accountability. Safety is a value, not a compliance line.
Certainty
Program certainty and cost control are engineered in from early works to completion. We do what we say, when we say it.
Scale
The financial strength and bonding capacity to deliver major construction programs, backed by strong banking relationships.
Partnership
We work in close partnership with developers, asset owners and institutional clients, with hands-on executive involvement on every project.
Executive leadership
Hands-on leadership, on every project
Each member of the executive team plays an active role in project delivery, stakeholder engagement and corporate governance, helping ensure consistent outcomes across quality, program, safety and commercial performance.
Mark Zreika
Chief Executive Officer
Mark leads Demcon's strategic direction, client partnerships and corporate governance. His delivery record spans major projects across Sydney and international markets, across a broad range of properties and sectors, giving Demcon executive depth in property, finance and construction at scale.
Rayan Fakhreddine
Construction Director
Rayan directs construction delivery across the Demcon portfolio. His career spans some of Sydney's most substantial residential and mixed-use programs, with deep expertise in multi-stage, high-density delivery from early works through to settlement-ready handover.
Mark Gerdovic
Commercial Manager
Mark oversees commercial management across the group: procurement, contract administration, cost control and risk. His discipline underpins the program and cost certainty Demcon is known for.
Georgia Bower
Bid Manager
Georgia leads bids and pre-construction engagement, coordinating estimating, methodology and consultant input so clients receive clear, well-founded proposals from first contact.
Safety, quality and environment
Certified systems. Audited independently.
Our certified management systems support consistent, accountable project delivery. They provide a clear framework for quality assurance, risk management, workplace health and safety, environmental management and continual improvement.
ISO 9001
Quality Management
Certified quality assurance system, audited by Compass Assurance Services.
ISO 45001
Workplace Health and Safety
Certified WHS management built on prevention, continuous improvement and accountability.
ISO 14001
Environmental Management
Certified environmental management with ESG principles embedded across operations.
iCIRT
Gold Star Rated
Independently rated for trust and transparency by Equifax iCIRT.
Workplace health and safety
We prioritise the wellbeing of our people, subcontractors, clients and the communities in which we work by embedding best-practice safety principles into every phase of delivery. Our approach is built on prevention, continuous improvement and accountability: safety as a core value, not a compliance line.
Environment, social and governance
ESG principles are embedded across our operations and project delivery: responsible construction, positive community impact and ethical governance. Through social procurement we work with diverse suppliers, Indigenous businesses and social enterprises to create meaningful economic opportunities.
What sets us apart
Why Demcon
Accredited systems, experienced leadership and integrated delivery capability, working together to deliver complex construction with confidence.
Accredited and trusted
iCIRT Gold Star rated, with ISO-certified systems for quality, environmental and safety management.
Integrated delivery
Design, planning and construction managed through one accountable delivery team.
Experienced leadership
Led by construction professionals with extensive experience across major project environments.
Operational expertise
Skilled in delivering construction within active and operational environments.
Financial capability
Strong financial capacity and established funding relationships support reliable delivery.
Cross-sector capability
Proven delivery across industrial, residential and large format retail projects.
Licences and accreditations
Licensed for the work we win
Demcon Group maintains the licences, certifications, accreditations and industry memberships required to deliver construction projects across residential, commercial, industrial, retail, infrastructure and specialised asset classes.
- NSW Builder Licence, Class 1 and Class 2 (multi-residential and commercial construction)
- Registered Building Practitioner (BUP registration)
- Qualified Supervisor Certificate
- Contractor Licence for structural and civil construction
- Accredited Contractor for major infrastructure and government works
Start a project
Talk to the team delivering certainty at scale.
From early works advice to full delivery, Demcon partners with developers, asset owners and institutional clients across New South Wales.