About Galvmac
Galvmac is a road maintenance contractor dedicated to providing mastic asphalt repairs.
The management team have over 40 years of experience in the road traffic management and repair industry, gained across operational, strategic and finance roles.
Who We Are

Specialist Mastic Repairs
We specialise in long-lasting mastic repairs

Sector Specialists
40+ Years combined sector experience

Fast Delivery & Curing
Repairs delivered at speed with roads ready to drive on in 10 minutes
Meet The Team
Malcolm Johnstone
Managing Director
Malcolm has been involved in the traffic management and road maintenance industry since 1997. He is the former Managing Director of SRL Traffic Systems Hire Division having spent nearly 13 years with the company. Malcolm specialises in helping businesses expand through improved operational procedures and business development.
Mark Galvin
Operations Director
Mark’s experience has been gained in several roles within the civil engineering industry, working from an Engineer to a Construction Director at Galvin Contracts Ltd. His expertise is planning, managing, and delivering all aspects of road repairs to local authorities and main contractors in civil engineering and national roads.
Barry Gill
Finance Director
Barry is an experienced Finance Director with more than 20 years of experience in accounting and corporate finance. Since 2019, Barry has been co-owner of One Way Traffic Management where he has overseen financial and strategic planning through a period of sustained growth.
George Stewart
Operations Manager
George has more than 35 years of experience in the road maintenance industry mainly road marking, anti-skid surfaces and pothole/patching repairs. He has worked with several local authorities and the private sector. George works with clients to plan and manage all projects and he strives to make sure all work is delivered to the highest standards.
Shannon McQue
Office Manager
Shannon is a highly organised and detail-oriented office manager who has experience in the construction industry working for local groundworks and civil engineering companies. She manages all aspects of administration, accounts and procurement for Galvmac while coordinating with the team to ensure work is delivered on time and within budget.