OUR TEAM
Integral’s story begins with strong relationships, mutual trust, and a vision for delivering quality without compromise. Directors Wes Austin and Justin Costanzo started out as school mates – and still work side by side three decades later.
Alongside Director Stephen Gregg, they’ve built a team and business grounded in reliability and genuine partnerships, whilst their hands-on leadership ensures that every project delivers real value to clients.
JUSTIN COSTANZO
Managing Director
WES AUSTIN
Group Director
LINDSAY KRUCK
Office Manager
LAUREN SMITH
Financial Controller
LEADERSHIP
DAVID BURTON-BRADLEY
Construction Manager
STEPHEN GREGG
Director, Estimating & HR
DUNCAN CRAIGHEAD
Design & Construction Manager
BARRY LEHMANN
Construction Manager
25 YEARS on, OUR team remains THE CORNERSTONE OF INTEGRAL
After 25 years of commercial building, many things have changed. But what’s stayed the same is our unwavering focus on people.
Long-standing relationships with staff and sub-contractors alike are at the heart of our business success. Because with the right people bringing your project to life, we believe that anything is possible.
driven by people, built on experience
Our in-house team plays a key role in delivering across every stage of a client’s project. From early planning through to completion, we have dedicated professionals in estimating, design management, procurement, and construction who work together to ensure projects run smoothly. Our directors remain closely involved in the delivery process, providing hands-on leadership and oversight throughout.
At head office, the leadership team is supported by our estimating department, in-house design managers, and construction managers who coordinate with our site teams. On the ground, project managers are backed by site managers, foremen, and contract administrators—each bringing valuable knowledge and experience to their role.
