Jonathan Sampson QC

Call: 1997 / Silk: 2020

"Jonathan has an encyclopedic memory of regulations and the law. He is favoured for complex cases and consistently delivers results." "Once you put him on a case the client only wants him. He is a polished performer in court and an excellent strategist." "He is brilliant at strategy." "Very detailed, thorough and good on his feet."
Chambers UK Bar 2021

Jonathan is widely recognised as one of the leading advocates at the Family Law Bar. With over twenty years of experience in children and financial work he is known for his intellectual rigour, clarity of his advocacy and approachable manner, he has been consistently ranked for many years in both the Legal 500 and Chambers UK.

Jonathan has appeared in numerous reported appeal and first-instance cases. His ability to assimilate complex facts and to marshal arguments under pressure and his determination to pursue his clients’ cases are hallmarks of his approach to the intellectual and emotional demands of this area of litigation.

To instruct Jonathan or for more information…

Call: 020 7353 6961

Practice Areas

Jonathan specialises in cases involving serious injuries, child death and litigation involving abuse overlapping with criminal investigations and proceedings. Jonathan has extensive experience of successfully challenging medical expert evidence through cross-examination. He is known for his meticulous preparation and breadth of knowledge in the field. He has lectured with leading medical experts and provided advice to New Scotland Yard on investigation of child death cases. He is also regularly instructed as a single joint expert in public law cases withan international dimension as well as advising and appearing on judicial review and Human Rights Act claims overlapping with public law proceedings.

Notable Public Law Children cases

A County Council v M [2021] EWFC 35

Order of Judd J authorising a local authority to proceed with an adoption favoured by the parents without first assessing the paternal grandmother as a potential carer.

Re J (A Child: Residential assessment) [2021] EWFC B18 (09 April 2021)

An appeal by a local authority against the case management decision of District Judge.

Y & X (Children) [2020] EWFC 15, [2020] 4 WLR 47
CD (A Child : Re Hearing of Fact - Finding) [2018] EWHC 2670 (Fam)
Northamptonshire County Council v M & N [2018] EWFC 82
D (A Child), Re (Rev 1) [2017] EWHC 3075 (Fam)
ES (A Child), Re [2017] EWFC B67
D (A Child) [2017] EWCA Civ 196
M (Children), Re (No 2) [2015] EWHC 2933 (Fam)
N (A Child: Interim Care Order: Interim Removal) [2015] EWFC 40

Jonathan’s private law work covers the spectrum of private law work, from those involving intractable disputes between parties to those where international or internal relocation is the key issue. A tenacious negotiator and advocate, Jonathan combines this with a sympathetic and accessible manner with clients, earning him repeat instructions for many years from leading firms where the complexity of the issues has resulted in lengthy litigation. His approach to this work ensures that he is on hand to assist in steering the approach to litigation out of court as well as at contested hearings.

Notable Private Law Children cases

KD v AM & Ors [2018] EWFC 64 (Fam)

Jonathan regularly appears in the High Court in wardship and abduction cases, as well as those involving recognition and enforcement of orders across borders. He has lectured in, and regularly receives instruction as a joint expert on international issues within care proceedings.

Jonathan’s experience in this field over two decades has led to a specialism in high net-worth cases, particularly those involving substantial company assets, complex pension arrangements, offshore finances and family trusts. He has substantial experience in a range of ancillary issues, including contested issues over non-matrimonial assets, applications to set aside, and international enforcement of orders.


What the directories say

"Is a masterful advocate. His calm and confident manner wins over clients and judges. He takes difficult points and runs them successfully." "Always an impressive advocate with excellent client care."
The Legal 500 UK Bar 2021

"An incredibly experienced barrister, who always commands the attention of those around him."
Chambers UK Bar

"He is resourceful and utterly determined."
Chambers UK Bar 2020

"His brain has the great ability to turn over and digest information, and he's got a really good understanding of public law and related areas."
Chambers UK Bar 2020

"He's a superb advocate - his cross-examination skills are second to none."
Chambers UK Bar 2020

"He's excellent, and his advocacy is very intelligent, perceptive and subtle."
Chambers UK Bar 2019

Related News

This week several members of chambers are giving talks as part of Simon Gore’s Family Law 2021 Five Day Online Conference

The following talks took place on Monday, 25 January 2021:

Jason Green – Lessons learned from recent cases on remote hearingsEdward Bennet & Paige Campbell – International child abduction updateSian…

Jonathan Sampson QC and Matthew Brookes-Baker appeared in Re: GC [2020] EWCA Civ 848

Jonathan Sampson QC and Matthew Brookes-Baker appeared in Re: GC (A Child) (withdrawal of care proceedings) [2020] EWCA Civ 848 in the Court of Appeal remotely on behalf of the…

Jonathan Sampson and James Dove in the Family Court in Re S [2020] EWHC 217 (Fam)

Care proceedings stemming from a private law dispute where a mother made allegations against the fathers of her children. Both fathers denied the mother’s allegations that they had either sexually…


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