Your First Choice for Timber Engineering

Donaldson Timber Engineering Ltd (DTE) is the UK's largest and longest established manufacturer of structural timber components, with nine branches across the UK and over 30 years of experience.

We supply a full range of precision-engineered timber products, including roof trusses, open web joists, and site-ready I-joists. All of our products are made using legal and sustainably-sourced timber, one of the most environmentally-sound standard building materials.

As part of the James Donaldson & Sons Group of companies, we pride ourselves on our values of always putting customers at the core of everything we do, our integrity, our people, delivering sustainable financial and environmental performance and we embrace the future through our proud family heritage of over 150+ years.