Williams Window Fabrication has celebrated 30 years in business, marking three decades of continuous manufacturing from its base in Clydebank Industrial Estate.

Founded in February 1996, the company has grown from a local start-up and now supplies an estimated 117,000 windows and over 6,000 doors to more than 15,000 customers across Scotland and beyond.

“Thirty years ago, three Williams set out to build a business based on quality, reliability and local trust,” said Fraser Sinclair, managing director. “Reaching this milestone – and seeing the number of homes and businesses we’ve helped improve – is a huge source of pride for our entire team. We’re incredibly grateful to our staff and the customers who’ve supported us since 1996.”

In recent years, the business has invested heavily in modernisation, including the transition to digital accounting systems, a full replacement of its vehicle fleet, progress towards net-zero operations, and the completion of its first modern apprenticeship.

The company is said to be on track to achieve record turnover in the 2025/26 financial year.