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

We are Ayrshire based accountants, tax specialists and business advisers who love what we do. Through investment in a great team of people and utilising the latest technology we are your perfect business partners. Combine with us to achieve your business goals doing what you love, while we take care of the rest.

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.  Our team of Directors and staff work hands on with all of our business connections.  Cloud accounting technology allows us to collaborate and connect with businesses of any size, in any trade and in any location.


Chartered Acountants
Do What You Love

Costley & Costley Hoteliers


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Costley & Costley Hoteliers

“With an office in Ayr, William Duncan are able to offer an unrivalled level of support. They are willing to actively participate in the direction of the company and provide us with a valued outside perspective and we look forward to continuing to benefit from the relationship in the future.”