William Massey KC > Chambers of Kevin Prosser KC > London, England > Barrister Profile

Chambers of Kevin Prosser KC
Pump Court Tax Chambers

Living Wage


William Massey’s practice covers all areas of personal and corporate taxation, tax appeals and other tax related litigation. He is best known for his expertise in private client tax, particularly in estate tax planning, heritage property, conditional exemption, business and agricultural property reliefs, and trust tax planning (including variations of trust under the Variation of Trusts Act).


Called 1977, Middle Temple, elected a Bencher (2004)

QC 1996

Governor, Harrow School (2000-2013) Summer Fields School (1996-2013)

Member, Tax Committee, Historic Houses Association


Revenue Bar Association

Chancery Bar Association

London Common Law & Commercial Bar Association


Hertford College, Oxford (MA (Jurisprudence))

Lawyer Rankings

London Bar > Tax: personal

(Leading Silks)Ranked: Tier 1

William Massey KCPump Court Tax Chambers ‘William is absolutely at the top of his game. He gives very thoughtful, experienced and realistic advice. He is extremely client friendly.’

Pump Court Tax Chambers offers expertise in the full scope of private client tax matters, including succession planning, offshore advisory work, Chancery court work, and, increasingly, tax issues in the sports context. The set has further strength in contentious matters, and acts for both HMRC and private individuals. William Massey KC covers matters related to trusts, land, and landed estates, and is described as ‘the preeminent go-to capital taxes silk.’ Kevin Prosser KC is highly active in litigation, with notable cases including acting for the taxpayer in Euromoney v HMRC, a tax avoidance case before the First Tier Tribunal. James Rivett KC acts for high profile and high net worth individuals both in complex advisory matters and before the courts, including acting on behalf of Gary Lineker in proceedings relating to the tax treatment of his broadcasting roles at the BBC and BT Sport.