John McElroy > Hausfeld & Co LLP > London, England > Lawyer Profile

Hausfeld & Co LLP

Work Department

Commercial & Financial Services Disputes


Partner & Head of Commercial Disputes, London


John McElroy heads up London’s Commercial Disputes team and is a force in the development of the practice. He has worked on a range of Commercial Litigation and Arbitration matters – often international – with an emphasis on Financial Services Disputes. He has extensive experience of acting for and against groups of claimants. John has close relationships with a wide range of third-party funders, insurers and brokers.

He has been the Partner responsible for a number of The Lawyer’s Top 20 cases over the last few years. He has also more recently acted for New Balance in its sponsorship agreement dispute with Liverpool FC as well a number of private equity houses in disputes ranging from claims for professional negligence to breach of warranty.  John is also currently acting on a number of international arbitrations before the ICC and LCIA among other arbitral forums and is due to be in a Commercial Court trial for two weeks in 2023 in a foreign exchange trading dispute.

John is an Executive Committee Member of the London Solicitors Litigation Association (LSLA) and a Committee Member of Co-Operation Ireland’s London Legal Group.

Previously at Quinn Emmanuel, Urquhart & Sullivan and Travers Smith.

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Lawyer Rankings

London > Dispute resolution > Banking litigation: investment and retail

(Next Generation Partners)

John McElroyHausfeld & Co LLP

Hausfeld & Co LLP ‘s banking litigation team is described as a ‘great and close-knit unit of ex-City partners with banking experience now deployed in a crack squad to assist the investor and borrower community’. It stands out for being conflict free and able to act against major financial institutions on behalf of claimants. It has expertise on financial services disputes, acting on claims relating to electronic trading platforms and cryptoassets among other things. The team counts on the expertise of ‘outstanding lawyerJohn McElroy, ‘exceptionally brightLucy Pert, ‘absolutely brilliantSimon Bishop  and the ‘extraordinaryLianne Craig, who recently became London managing partner. The firm’s commercial disputes practice (which includes banking litigation) now accounts for around 40-50% of the firm’s work.

London > Dispute resolution > Commercial litigation: premium

(Next Generation Partners)

John McElroyHausfeld & Co LLP

A leadership change at the beginning of 2022 has seen ‘brilliant strategistLianne Craig step up to become Hausfeld & Co LLP‘s first female managing partner, while her place as head of commercial disputes has been taken by respected litigator John McElroy. As well as handling the gamut of commercial litigation cases globally, the firm is committed to innovative funding solutions and arrangements. Other noted practitioners include aviation and media-focused Ned Beale, recently promoted partner Simon Bishop and counsel Duran Ross.

London > Dispute resolution > International arbitration

During 2022, Hausfeld & Co LLP‘s ‘amazingly responsiveJohn McElroy was promoted to London commercial disputes head. Commercial arbitration specialist Ned Beale is a 2021 recruit from Trowers & Hamlins LLP, where he was international arbitration head; and newly elevated London managing partner Lianne Craig and Lucy Pert both also have arbitration experience.