At William Duncan + Co Ltd we’re proud to be one of Scotland’s longest established and most progressive Chartered Accountancy practices.

Our strategic and innovative approach to business and taxation combined with our wealth of knowledge acquired through investment in people and the latest technology makes us your perfect business partners. Combine with us to achieve your business goals doing what you love, while we take care of the rest.

Cloud technology allows us to collaborate and connect with businesses of any size, in any trade and in any location. Whilst our roots stem from the West of Scotland with offices in Ayr, Glasgow, Kilmarnock, Hamilton, Tarbert and Campbeltown we are just as happy to go much further afield. We also specialise in a number of sectors as you will see from the site. Our team of Directors and staff work hands on with all of our business connections and like our clients, we love what we do!


Chartered Acountants
Do What You Love

Billy Lynch

Lynch Developments


Services Billy used

Billy Lynch

“The Lynch Family group of companies have had a working relationship with William Duncan + Co Ltd for over forty years, now into our second generation.  As we have grown, so has William Duncan, and our working relationship continues to grow.  We continue to task each other to look at maximising efficiencies and best practice in developing our companies. At the heart of good working relationships are the people working together with trust and integrity.”