About Us

Partnership Pay for Success project


Business people first, accountants second

Birchtree Sullivan is a firm of chartered accountants who specialise in advising and supporting business owners. We support a variety of companies and business owners around the UK, which gives our clients access to a huge amount of business expertise and knowledge.

Our fresh thinking and practical business approach underpin our values.

We deliver a comprehensive range of services nationally, without losing that personal attention to detail that we know is crucial to our clients. This combination makes the Birchtree Sullivan offering unique.

Our clients

We believe that our clients are the best judges of our service, we’re proud of the strong relationships we have – read  what our what clients say to find out more. If you want to know more, then contact us and we’ll happily let you speak to our clients personally.



Dilwar Hussain accountant ratings on VouchedFor

Dilwar Hussain accountant ratings on VouchedFor