Our Team

Abigail Healey


Abigail has over 17 years’ experience in resolving large and complex commercial disputes and protecting her clients’ reputation, privacy and information. Prior to joining Quillon Law, she was a partner at Addleshaw Goddard.


Abigail is an experienced litigator who provides practical, commercially focused advice. She has acted for listed, state-owned and privately held companies, high net worth individuals, financial institutions and government agencies, in claims before the High Court, Court of Appeal and Supreme Court. She also has experience in arbitration (under the rules of the LCIA, SIAC and UNCITRAL, as well as in ad hoc proceedings), together with other means of dispute resolution, including mediation, expert determination and adjudication.

Her areas of focus include contractual and warranty disputes, contentious trusts and civil fraud claims.

Alongside her commercial disputes experience, Abigail’s practice focuses on protecting her clients’ reputation, privacy and information, advising on defamation, malicious falsehood, confidentiality, privacy, harassment and data protection. She acted for the claimants in the UK’s largest defamation claim, successfully defended one of the earliest data protection damages claims and successfully represented c.100 victims of phone hacking.

She is a solicitor-advocate with full higher rights of audience in the higher courts.


Notable Representations

Navigator Equities Limited and Chernukhin v Deripaska

[2024] EWCA Civ 268; [2023] EWHC 788 (Comm)

Abigail acted for Oleg Deripaska in successfully resisting the Chernukhin parties’ application for his committal, which was dismissed by HHJ Pelling KC in the High Court. The Court of Appeal was unanimous in dismissing the Chernukhin parties’ appeal.

CIS General Insurance Limited v IBM UK Limited

[2021] EWHC 347 (TCC)

Abigail represented Co-op Insurance in a £128m claim against IBM for wasted expenditure arising out of a failed IT transformation project.

Osagie v Serco Limited & Ors

[2019] EWHC 1803 (QB)

Abigail represented the defendants in successfully striking out a claim in slander, libel and malicious falsehood.

Dar Al-Arkan Real Estate Company & Anr v Al Refai & Ors

[2015] 1 WLR 135; [2014] EWHC 1055 (Comm)

Abigail acted for the claimants in a US$1 billion Commercial Court claim against the former CEO of a Bahraini investment bank (Bank Alkhair) and others. The claims included breach of confidence, defamation and conspiracy to blackmail.

Addleshaw Goddard LLP v Wood & Anr

[2015] EWHC B12 (Costs)

Abigail acted for the law firm in its successful claim against professional trustees for a multi-million pound success fee.

Niche Products Limited v MacDermid Offshore Solutions LLC

[2014] EWCA Civ 379; [2013] EWHC 1493 (Ch); [2013] EWHC 3540 (IPEC); [2013] EWPCC 11

Abigail represented MacDermid in relation to a claim in malicious falsehood, copyright infringement and breach of confidence, brought by a competitor in the oil industry. The proceedings included a jurisdiction challenge (in light of parallel US proceedings); an application to the Court of Appeal for a stay of the proceedings pending the determination by the court of an appeal against an order refusing to strike out the proceedings; and a successful application for an injunction.

Phone Hacking Scandal

Abigail successfully represented c. 100 victims of phone hacking in their claims against News International and/or Mirror Group.

In the Estate of Platon Elenin (aka Boris Berezovsky), JSC Aeroflot – Russian Airlines & Anr v Berezovskaya & Anr

[2014] EWHC 70 (Ch)

Abigail represented Ekaterina Berezovskaya, the daughter of the late Boris Berezovsky, in matters pertaining to her father’s estate. The proceedings included complex issues concerning confidential information which included a Court of Appeal ruling on the subject.

JSC Aeroflot – Russian Airlines v Berezovsky & Anr

[2014] EWCA Civ 20

Abigail acted for the estate of Mr Berezovsky in the appeal by Aeroflot in relation to the enforcement of a money judgment of the Russian court.

Ansari v Knowles & Ors

[2013] EWCA Civ 1448; [2012] EWHC 3137 (QB)

Abigail represented two of the four defendants to a claim in defamation, including in the Court of Appeal in relation to whether a settlement with one defendant precluded the claimant from continuing the claim against the others.

Hughes v Risbridger and British Airways plc

[2010] EWHC 491 (QB)

Abigail acted for the successful defendants in one of the first reported data protection damages claims.

Industry Recognition

Abigail has been recognised by the legal directories since 2015 in relation to defamation/reputation management, which focus on her practical and client-focussed advice and expertise.

Chambers UK

[Abigail] is praised by interviewees for “her knowledge and the focus of her advice, which is practical and business-focussed.”

“Gives sound advice and is a sensible person to go to”

“Abigail Healey is an impressive young lawyer who maintains a strong reputation for her representation of individuals and companies in information and data breach matters.”

The Legal 500

“Exceptionally intelligent and extremely skilled.”

“No nonsense but easy-to-work-with.”

Education and Admissions

Manchester University

(LLB (Hons))

Nottingham Law School

(Legal Practice Course)

Solicitor of the Senior Courts of England & Wales


Solicitor Advocate

(Higher Rights) (All Courts) (2008)


At Quillon Law, our strategy is about measured growth whilst being recognised as a destination practice of choice, in attracting like-minded practitioners. We aim to create a significant partnership covering all our key practice areas: commercial litigation, fraud and finance disputes, white collar and regulatory disputes, supported by the development of a class-leading approach to development, purpose, responsibility and inclusion across the firm as it grows. If you’d like to find out more about developing a career with us, drop us a line at