Henrietta Mason > Penningtons Manches Cooper LLP > Basingstoke, England > Lawyer Profile

Penningtons Manches Cooper LLP
RG21 4EQ

Work Department

Contentious private client


Advises on contentious aspects of private client work for individuals and charities; trust and estate litigation both domestic and international, estate administration; conflicts of laws in cross border matters; negligence claims in relation to trust and succession; joint property ownership disputes.

‘Whip-smart, direct and pulls no punches…she provides a fantastic service.’ – The Legal 500 2017


Trained at Withers LLP 2001 and qualified 2003; Withers 2003 – end 2015; Penningtons Manches LLP 2016 to date; made partner 2018.


ACTAPS; Charity Law Association; member of Wills and Equity Committee of the Law Society; President of Private Client Commission of AIJA (International Association for Young Lawyers).


St Mary’s Calne, Wiltshire; Oxford University (St Anne’s College); BA English Language and Literature 2:1

Lawyer Rankings

London > Private client > Contentious trusts and probate

(Next Generation Partners)

Henrietta MasonPenningtons Manches Cooper LLP

Penningtons Manches Cooper LLP has a strong team with Michael Cash at the helm. Cash specialises in domestic and international trust and estate litigation as well as breach of trust claims, administration of estate claims and claims under the Inheritance (Provision for Family and Dependant) Act 1975. Henrietta Mason is well-regarded for her work for UK and overseas private individuals and charity clients. Newly-promoted partner Sarah Lee advises on a broad range of trust and estate litigation including breach of trust claims and administration disputes. The agile team routinely handles complex cross-border claims. It is one to watch.

London > Private client > Charities and not-for-profit

Penningtons Manches Cooper LLP acts for a broad range of national and local charitable clients including some household names as well as higher education and independent schools. Other clients include literary charities, animal charities, disability charities and registered social landlords. Henrietta Mason  now heads the team as Alison Talbot left the firm to join Winckworth Sherwood LLP. The practice has access to sector expertise across the firm, ranging from being able to advise charities on governance matters, to legacy disputes and employment matters.

South East > Private client > Charities and not-for-profit

Penningtons Manches Cooper LLP acts for charitable organisations such as educational institutions and membership organisations, disability charities and registered social landlords. It counts house-hold names such as Make-a-Wish Foundation UK and City & Guilds of London Institute among its recent clients. The multi-disciplinary practice advises on a broad range of matters including governance, corporate and commercial, real estate, public law, legacy disputes and employment matters. Henrietta Mason, Daff Richardson and Hilary Aldred are the key contacts. Practice head Alison Talbot  departed to Winckworth Sherwood LLP in December 2018.

South East > Private client > Contentious trusts and probate

Penningtons Manches Cooper LLP‘s contentious trusts and probate work is managed by the firm’s private client team, which has a strong record of representing clients in matters involving multiple claims or assets spread across several jurisdictions. Practice head Michael Cash covers the full range of disputes, which includes contentious applications in the Court of Protection. Henrietta Mason is another name to note.