Your Local Accountant in Ayrshire

At William Duncan, we're more than just an accounting firm – we're your trusted partners in financial growth and prosperity. Whether you're a private limited business, a hardworking individual, a not-for-profit organisation, or a large corporate entity, we're here to support you every step of the way.

Your Trusted Partner

Our commitment to our clients runs deep. We believe in building lasting relationships based on trust, integrity, and personalised service. From strategic financial planning to expert tax advice, our team of dedicated professionals is here to ensure your financial goals become a reality.

At William Duncan, your success is our success.

We can confirm that as of 30 September 2022 William Duncan + Co has been acquired by Dains Accountants. 

We look forward to offering the same high standards of service to our clients and by joining Dains, our ability to deliver an even broader range of services and resources is immediately enhanced.

Combining our expertise and experience with the team at Dains will enable us to spearhead the growth of the group in Scotland under the William Duncan + Co brand and continue to lead the way in digital accounting technology.

About Dains

Established in 1926, Dains is an independent firm of chartered accountants and business advisers specialising in supporting growing SME businesses.




Our core services are Accountancy & Business Services, Audit, Corporate Finance, Forensic Accounting, and Taxation alongside outsourced FD and HR support. We deliver these services with a focus on our core values of Valued Relationships, Fairness, Working & Succeeding Together and Integrity.  Together these core values make up the Dains DNA which runs through each of our interactions and activities.

More about Dains

Our Services

Audit and Assurance
Business Recovery
Business Support
Cloud Accountancy
Corporate Finance
Digital & Innovation
IT Services
Wealth Management

Our Sectors


Our locations

We have over 70 managerial, executive, administrative and IT staff providing professional services and building strong working relationships.
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