About Us
A History Family Values and High Standards
Established in 1980, Diack and Macaulay Ltd is a family-run civil engineering company with a strong reputation for delivering high-quality projects. We specialise in civil engineering works, bridge construction, and highway safety fencing contracts, consistently meeting our clients’ needs with professionalism and expertise.
At Diack and Macaulay Ltd, we are committed to upholding our core family values while continuously evolving to embrace innovative and sustainable practices. We take pride in completing all projects to a high standard, on schedule, and in line with our ISO 9001:2015 quality management system.
In recent years, we have expanded our portfolio to include structural waterproofing and precast concrete solutions, further broadening the range of services we offer.
Who We Work With
We have had the privilege of working with an extensive list of clients, delivering a variety of services, including:
- BEAR Scotland / Transport Scotland – Parapet and safety fencing
- North Lanarkshire Council – Civil, bridge, and safety fence works
- East Dunbartonshire Council – Full scope of services
- West Lothian Council – Full scope of services
- Argyll and Bute Council – Bridge works
- Aberdeen City Council – Bridge works
- Aberdeenshire Council – Bridge works and waterproofing systems
- Highland Council – Bridge, civil works, and precast concrete solutions
- Raynesway Construction Ltd – Safety fencing works
- Tarmac National Contracting Ltd – Safety fencing works
- Lanarkshire Welding Company Ltd – Precast concrete and bridge works
- Inverclyde Council – Civil works
- East Ayrshire Council – Civil works
- Perth and Kinross Council – Civils, bridges, waterproofing, and precast concrete solutions
- Advanced Construction – Precast concrete, waterproofing, and safety fencing
- Graham Civils – Safety fencing