Who we are

For more than 40 years we have been constructing spaces that engage and inspire.

Prime Constructions is a proudly Australian, privately owned company recognised for delivering high-quality construction spaces across the industrial, commercial, education, institutional and automotive sectors. Our reputation is built on integrity, reliability and an unwavering commitment to excellence in every project we deliver.

At Prime, we believe the foundation of great construction lies in collaboration. We work closely with our clients, consultants and subcontractors to create environments that are not only functional and efficient, but also enduring and inspiring. This open, partnership-driven approach ensures each project reflects shared goals, clear communication and accountability at every stage of every project.

Our people are at the heart of what we do. Highly experienced and passionate about their craft, our team combines technical skill with practical insight to achieve exceptional results. From complex new builds to intricate refurbishments, we deliver projects on time, within budget and to the highest standards of quality and safety.

With more than 40 years of experience, Prime Constructions has earned the trust of repeat clients who value our stability, professionalism and hands-on leadership. Together, we continue to build environments that support business, learning, and community – constructing spaces that engage and inspire.

Visit Prime Projects – a division of Prime Constructions, specialising in complex and live-environment builds, delivering projects that demand innovation, precision and flexibility.

Our clients

Long lasting relationships, repeat projects and highest-quality outcomes are hallmarks of the successful growth of our business.

Our people

For over 40 years, Prime Constructions has built success on the strength of its people. Our culture of integrity, excellence and teamwork drives every project. We proudly celebrate our dedicated team – whose expertise, commitment and collaboration deliver outstanding results.

Phil de Gail
Executive Chairman

Phil is Executive Chairman and co-founder of Prime, bringing over 55 years’ experience in the construction industry. A hands-on leader, he combines strategic foresight, technical expertise and strong governance to guide long-term growth. With his commitment to integrity, risk management and collaboration, which underpins Prime’s reputation, Phil guides the delivery of innovative projects while mentoring the next generation of industry leaders.

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John Drake
Executive Director

John is an Executive Director at Prime, overseeing estimating and preconstruction. With over 40 years in construction, he combines technical expertise, strategic insight and client-focused leadership to deliver competitive, high-quality projects while guiding and developing Prime’s next generation of construction professionals.

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Paul Christopher
Executive Director

An Executive Director at Prime Constructions, Paul brings more than 40 years’ experience across the building industry. With a strong grounding in project delivery and business leadership, he focuses on new business, mentoring teams, design problem-solving and operational oversight – helping maintain Prime’s reputation for quality, safety and trusted client relationships.

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Gregg Armstrong
General Manager

Gregg is Prime Construction’s General Manager. With over 25 years’ industry experience, he joined Prime in 2023. Known for his calm leadership, highly approachable manner and problem-solving skills, Gregg builds trust, empowers teams and drives innovation to deliver exceptional outcomes in challenging environments.

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Chris Flint
Group CFO

Christopher Flint is Group CFO of the Prime Group, with 37 years’ experience across construction and hospitality. A CPA with BCom and MBA qualifications, he leads financial, legal, HR and IT functions, driving strong governance, forecasting and long-term financial stability.

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Michael de Gail
Construction Manager, Director

Michael is a Construction Manager and Director at Prime. With 13 years of experience, he brings strong commercial acumen, stakeholder engagement expertise and a collaborative leadership style to every project. Michael excels in managing large-scale design and construct projects across the commercial and industrial sectors, leading driven, proactive teams to deliver high-quality outcomes for clients.

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Richard Hunt
Construction Director

Richard is Construction Director at Prime with nearly 30 years’ experience delivering design and major building projects across commercial, industrial, education and aged care sectors. He oversees multiple project teams, champions buildable design solutions and is highly regarded for his steady leadership, mentoring focus and consistent delivery of quality outcomes.

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James Menzel
Construction Manager

With 14 years in the industry, Construction Manager James Menzel is known for his leadership, clear communication and commitment to excellence. Since joining Prime in 2011, he’s driven by collaboration, innovation and continuous improvement across every project he leads.

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Chelle Harkin
HSEQ & Systems Manager

With over 20 years in high-risk construction, Chelle is a passionate Safety Professional and certified ISO Lead Auditor. She excels in risk management, WHS systems and contractor engagement, mentoring teams to build capability, ownership and strong HSEQ performance through collaboration and continuous improvement.

Our awards

Our commitment to excellence has been recognised by clients, industry leaders and professional organisations. We are honoured to have received prestigious awards that highlight our exceptional work.

2024

Industrial Buildings $100 Million & Over:
Mirvac Switchyard, Auburn

2020

Private Schools $40m & Over:
Barker College – Rosewood Centre, Hornsby

2017

Industrial Building $25m – $35m:
AHG East Coast Corporate Office and Warehouse, Prestons

2015

Sporting Facility $15m – $20m:
Abbotsleigh Sports Precinct, Wahroonga

2015

Private Schools $10m & Over:
Monte Sant’ Angelo Mercy College Arts and Culture Common, North Sydney

2015

Best Use of Structural Steel:
Abbostleigh Sports Precinct, Wahroonga

2014

Best Industrial Building $25m – $50m:
Linfox Pharmaceuticals, Erskine Park

2013

Industrial Building $5m – $10m:
Mayo Group Warehouse, Moorebank

2012

Adaptive Re-Use of an Historic Building $5m – $10m:
Loreto – Tremayne, Kirribilli

2009

Industrial Building $10m – $25m:
Col Crawford Vehicle Service and Parts Facility, Brookvale

2009

Health Buildings up to $10m:
Aboriginal Health College for Aboriginal Health and Medical Research Council of NSW, Little Bay

2008

Industrial Building $10m – $25m:
Mainfrieght Warehouse and Distribution Centre, Prestons

2008

Private Schools $2m – $5m:
SCECGS Redlands Liggins Quadrangle Upgrade, Cremorne

2007

Industrial Building $25m & Over:
RAND Freezer and Distribution Facility, Homebush

2006

Commercial Building $5m – 10m:
Trivett Classic, Parramatta

2004

Industrial Building $10m & Over:
Dana Automotive Systems Group Australia, Yennora

2004

Refurbishment/Renovation/Extension $20m & Over:
TAB Limited, Ultimo

2001

Commercial Building $5m – 10m:
McIntosh of Mosman Motor Dealership