Rosie
MacArthur

Rosie is a regulatory advisor to global investment firms and banks, with a particular expertise in private banking and wealth management. She helps clients navigate the complexities of UK and EU financial services regulation, managing regulatory risk while supporting their commercial goals. She advises on regulatory compliance, cross-border licensing, and the implementation of regulatory change.

Rosie has advised a broad spectrum of firms on the UK Consumer Duty - helping design practical implementation strategies and embed the regime into business-as-usual operations, with a particular focus on governance and MI/data frameworks. Other regulatory change topics include: Senior Managers & Certification Regime (SMCR), COVID-19 challenges, benchmark transition, Brexit planning, and MiFID II implementation. Rosie is also advising on the upcoming European Retail Investment Strategy (RIS) and EU Capital Requirements Directive changes (CRD 6).

With extensive experience working with the FCA and PRA, Rosie supports clients on authorisations, variations of permissions, and change in control applications.

Since joining Simmons in 2017, she has completed secondments to a dual-regulated bank and to the private wealth divisions of a leading financial institution in London and New York, gaining hands-on experience with major regulatory change projects and day-to-day advisory work in both the UK and USA.

Rosie contributes to trade associations and industry fora on regulatory change and has shared her insights as a panellist at industry conferences, including Consumer Duty and CRD6. She studied Law with Spanish in Bristol and Granada and brings an international perspective and a collaborative approach to her practice.