Rachel Ansell QC > 4 Pump Court (Chambers of Nick Vineall QC and Sean Brannigan QC) > London, England > Lawyer Profile

4 Pump Court (Chambers of Nick Vineall QC and Sean Brannigan QC)
4 Pump Court
Rachel Ansell photo


Barrister specialising in commercial litigation and international arbitration with an emphasis on large scale construction projects, professional negligence disputes and insurance claims. Rachel was awarded Construction Silk of the Year at the Chambers Bar Awards 2017. 


Called 1995, Middle Temple; silk 2014.


COMBAR; London Common Law and Commercial Bar Association; TECBAR (Vice Chair).


Cambridge University (MA).


Supporting Wales and Saracens rugby union teams, supporting England and Middlesex cricket teams, gym.

Lawyer Rankings

London Bar > Set overviews: England and Wales

4 PUMP COURT offers ‘some very good silks and juniors who are very good value’ across the commercial, construction, and insurance/reinsurance sectors, as well as shipping, IT, arbitration, and professional negligence. Solicitors note how the set is very adept at ‘running very successful campaigns to corner a particular market’. Since the publication of our last guide, Sean Brannigan QC joins Nick Vineall QC as joint head of chambers; Rachel Ansell QC has been appointed chair of the Technology and Construction Bar Association; and James Watthey has been appointed to the council of the London Shipping Law Centre. James Leabeater QC and Jessica Stephens QC took silk in 2019, and chambers was further strengthen by the arrival of Lord Edward Garnier QC, Stephen Cogley QC, and Jennie Gillies from One Brick Court, XXIV OLD BUILDINGS, and in-house at Arup respectively, while Alexander Gunning QC joined One Essex Court. In the clerks’ room, Carl Wall and Stewart Gibbs are joint senior clerks of a ‘responsive, helpful and accommodating’ team that is ‘very easy to work with, and help make the whole solicitor/counsel firm/chambers dynamic feel like a proper team’. Also of note, Lucy Burrows, formerly of 3 Verulam Buildings, has joined chambers as a new deputy senior clerk, and former chambers chief executive Carolyn McCombe is now head of ADR and professional standards at the set. Offices in: London and Hong Kong

London Bar > International arbitration: counsel

(Leading Silks) Ranked: Tier 3

Rachel Ansell QC4 PUMP COURTVery hardworking and one of the go-to junior silks who specialise in construction, she definitely goes the extra mile.

4 PUMP COURT is home to a versatile group of highly rated barristers with strong expertise across a range of areas, including infrastructure, shipping, insurance, and general commercial. Members are very active in Asia and the Middle East, where several members, including Sean Brannigan QC and Rachel Ansell QC, are facing each other in a significant airport-relate dispute.

London Bar > Construction

(Leading Silks) Ranked: Tier 2

Rachel Ansell QC4 PUMP COURTVery high calibre, perfect for complex cases.

London Bar > Energy

(Leading Silks) Ranked: Tier 4

Rachel Ansell QC4 PUMP COURTA popular choice for high-value energy disputes, notably in the Middle East.

London Bar > Insurance and reinsurance

(Leading Silks) Ranked: Tier 5

Rachel Ansell QC4 PUMP COURTShe is a very capable silk.’

London Bar > Professional negligence

(Leading Silks) Ranked: Tier 3

Rachel Ansell QC4 PUMP COURTAmazingly thorough on paper and is excellent in court.

Middle East: The English Bar > Construction

(Leading silks) Ranked: Tier 1

Rachel Ansell QC4 Pump CourtQuite simply wonderful: fiercely intelligent and a brilliant strategist.