Sarah Sullivan strengthens RSM tax team as director in Birmingham
Sarah Sullivan has joined RSM’s UK firm, as the firm looks to expand its private client services team. Working as a new tax director she will specialise in transaction tax and private business.
Helen Relf, head of private client services at RSM UK, said, “We’re thrilled to welcome Sarah to RSM. Her strong experience in shareholder transactions and private business advisory will be invaluable to our growing private client services team. Her collaborative attitude and approach to work is strongly aligned with our values and culture as a firm, making her an ideal addition to the team.”
RSM’s UK member firm is an audit, tax and consulting firm to the nation’s middle market with 5,300 partners and staff operating from 29 locations throughout the UK. For the year until the end of March 2025, RSM generated revenues of £573 million – while as a member firm of RSM International - the seventh largest global organisation of independent assurance, tax and consulting firms – it is connected to a network which operates in 120 countries, across 500 offices, with more than 56,000 people internationally.
Based in Birmingham, Sullivan brings has over a decade of experience as a tax adviser, working with a wide range of clients including entrepreneurs, high-net worth individuals and owner-managed and private equity backed businesses. At RSM, she will support the continued growth of the firm’s private client services capabilities, both in the Midlands and nationally – utilising expertise in shareholder transactions and private business advisory to support clients across all stages of the business lifecycle.
Sullivan joins RSM from her previous role as a tax director at Azets, where she played an instrumental role in the development of the firm’s specialist owner-managed business team. Prior to this, she spent five years at KPMG, in its private client team.
Speaking on her move, Sullivan added, “Joining RSM is a fantastic opportunity to become part of the firm’s strong and growing team of tax experts. I look forward to using my knowledge and experience of shareholder transactions to help clients navigate complex tax issues and considerations with confidence across a wide scope of projects. I can’t wait to hit the ground running, working with colleagues across the firm to help grow its private client services offering and deliver a full spectrum of support.”

