Sarah advises high net-worth and high profile individuals, charities, partnerships and corporates on all aspects of HMRC interactions, disputes and investigations; including complex technical investigations (“COP8”), cases involving suspected tax fraud (“COP9”), voluntary disclosures, negotiation of penalties and time to pay arrangements, and settlement of individual and corporate participation in marketed tax avoidance schemes (including Disguised Remuneration and film schemes).

Sarah has also represented individuals under investigation by multiple authorities (Home Office and Charity Commission).


Sarah is regularly featured in the tax, legal and mainstream press in relation to tax dispute related matters and marketed tax avoidance.

Sarah is recognised in the 2020 Spear’s 500 directory (of top private client advisers) as a “distinguished individual”.

Sarah is profiled on the 2020 City Wealth leaders list and is commended as having “an excellent technical grasp but also, importantly, is tenacious in pursuit of the best possible outcomes for her clients”


A recent case in which Sarah advised included a £6m civil settlement for an individual participant in a fraudulent marketed tax avoidance scheme.

Sarah has also recently negotiated a group settlement involving over 50 EBT participants


Sarah joined Stewarts in April 2019 after spending 15 years in tax practice (Mazars and BDO), having previously trained at the Inland Revenue (now “HMRC”).  Sarah is able to use her understanding of HMRC processes and structure to resolve complex tax investigations.


Accreditations and Memberships

Sarah is a member of the Association of Taxation Technicians (“ATT”) and Chartered Institute of Taxation (“CTA”).


Sarah’s most recent articles include;

  • “Great expectations – has the UK loan charge review delivered?” – featured in Bloomberg Tax in January 2020 and discusses the implications and opportunities arising from the independent review into the controversial 2019 loan charge legislation
  • “how to handle COP 9: our top nine steps” – featured in Tax Journal in January 2020 and covers practical steps to ensure successful resolution of a COP 9 (fraud) investigation undertaken by HMRC


Sarah loves to travel and spends idle moments planning her next adventures. Sarah is a keen amateur interior designer having recently renovated a derelict Victorian house in London, and is currently eying up her next project! Sarah is also a “foodie” and enjoys making her way through the Time Out top 100 London restaurants.