Hall Brown Family Law

Hall Brown Family Law

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England

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Antonia Williamson

Antonia Williamson

Work Department

Senior Associate (Family Law)

Position

Senior Associate

Career

Antonia joined Hall Brown as a Senior Associate in January 2026, having qualified in 2020. She has practised exclusively in family law since 2017.

Antonia assists clients with all aspects of family law, including financial matters, child arrangements / Children Act proceedings, cohabitation and TOLATA disputes and wealth protection agreements.

She has extensive experience in dealing with complex private children disputes, including internal and international relocations, allegations of parental alienation, domestic abuse, substance misuse and high levels of parental conflict. She also regularly deals with complex financial remedy proceedings, including cases involving non-matrimonial property, overseas assets, business assets, trust structures and contested nuptial agreements.

Antonia is committed to taking a constructive approach to assisting clients with family law matters. She aims to help clients to navigate disputes as swiftly and amicably as possible. She is a Resolution member and has been an active member of the Merseyside Resolution committee since 2017, sitting as committee Chair between 2021 and 2025.

Antonia is passionate about access to justice. She provided pro bono support to the advice clinic at Liverpool John Moores University from 2017 to 2024. She has accepted several direct pro bono instructions since qualifying in 2020 and was named on the Pro Bono Recognition List in 2025.

Antonia has been recommended in both the Legal 500 and Chambers & Partners directories. She was ranked as an “Associate to Watch” in the Chambers & Partners guides in 2024 and 2025. She also won the Liverpool Law Society’s Rising Star Award in 2024.

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