Here to help you
and your business

Limited Company

Self-Employed Sole Trader

Personal Tax


Limited Company


Self-Employed Sole Trader

Personal Tax

We’ve been working with businesses since 1947

We are a highly qualified accountancy firm providing a comprehensive range of accounting and business services to both individuals and organisations. Mander Duffill was established in Chippenham over 75 years ago. Over the years, we have evolved and adapted to new technologies and business practices. As the business world has changed around us, the services we offer to clients have changed and increased. We are now a team of almost 60 and proud to have helped many clients build successful and long-term businesses.

Mander Duffill

Simplify your search

Looking for something specific?


If you are looking for someone to prepare your business accounts, we can help. We have an expert team of accountants who can manage your books and keep everything in order.

Business Tax

We provide a range of business tax services from corporate tax, VAT, PAYE & NIC and more, assisting with compliance and ad hoc queries.

Personal Tax

Whether it is self assessment tax returns, capital gains tax, inheritance tax, domicile, or any other personal tax matter, we can help.

Financial Services

In need of financial advice? We offer a personalised holistic financial planning service to both individual and businesses. 

Why choose Mander Duffill

Our aim is to provide the best possible service to all clients.

We form close and long term relationships with clients to provide meaningful and forward looking advice. We help our clients grow their businesses and realise their full business potential. As a firm, we are on our clients’ side, using our collective insight, experience and instinct to understand and advise on complex issues.

We are focused on making a difference to clients, colleagues and the community in which we live and work.

Since 1947

Meet some of the Mander Duffill team

Richard Mander FCA
Senior Partner
Julian Duffill FCA
Managing Partner
Andy Davis FCA
Mike Ward FCCA

Latest news posts

eNews – June 2024

In this month’s eNews we look at the business to the upcoming General...

eNews – May 2024

In this month’s eNews, we look at the HMRC’s pilot for MTD...

eNews – April 2024

In this month’s eNews we look at HMRC’s reversal of its helpline closures...

Spring Budget 2024

We have pleasure in attaching our summary of the key announcements in...

eNews – March 2024

In this month’s eNews we look at HMRC’s latest guidance on MTD for...

eNews – February 2024

In this month’s eNews, we look at the potential and pitfalls of...

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We’ve been working with businesses since 1947