Part of the Ark Group

The Team That Delivers
When Others Hesitate

A coastal fortification with a lighthouse is perched on rocky cliffs, overlooking a calm blue sea. Green hills surround the area, with buildings and pathways visible nearby.
A multi-story concrete building under construction, surrounded by cranes and materials, is situated near a marina filled with boats and nestled within a wooded, coastal environment.
Construction site with heavy machinery and workers active near a building with solar panels. Nearby, several parked boats and vehicles are on a paved surface, surrounded by industrial materials and greenery.

Our success is built on the people who drive it. As partners in specialist construction, we believe being great to work with is just as important as being great at what we do. Each member of our team brings a depth of experience, handpicked to give our clients the best collaborative experience — without compromising on quality, especially in the most complex and technically demanding environments.

managing director

Mark Mabey

With over 25 years of experience in quantity surveying and commercial leadership, Mark Mabey leads Aurum with a steady, informed perspective shaped by decades in the construction industry.

Having worked across a broad range of projects and sectors, Mark brings not just technical expertise, but a clear understanding of what clients value most: clarity, consistency, and a team that’s committed to doing things right.

His calm, collaborative leadership sets the tone at Aurum – focused, responsive, and always solutions-driven.

Contracts Manager

Tony Crossley

With over 30 years of experience in construction delivery across the UK and Ireland, Tony Crossley brings a strong blend of technical expertise, planning insight, and practical leadership.

He develops trusted relationships with clients, contractors, and stakeholders, consistently delivering high-quality outcomes across a wide range of complex projects.