Blair Leahy KC

Ranked in 6 Practice Areas

Band 2

Company

London (Bar)

8 Years Ranked

Band 3

Chancery: Commercial

London (Bar)

9 Years Ranked

Band 3

Fraud: Civil

London (Bar)

2 Years Ranked

Band 3

Restructuring/Insolvency

London (Bar)

21 Years Ranked

Band 3

Offshore

All Circuits

1 Years Ranked

Band 4

Commercial Dispute Resolution

London (Bar)

6 Years Ranked

Ranked in Guides

Global 2025

About

Provided by Blair Leahy KC

UK Bar

Practice Areas

Blair has a broad commercial practice with an emphasis on complex multi-jurisdictional fraud claims and disputes with technical insolvency or company law aspects. She advises and represents clients in both domestic and international court and arbitration proceedings. Her overseas practice includes Cayman, BVI, Bermuda, Hong Kong, Singapore, the Isle of Man and Dubai. Blair also accepts appointments as an arbitrator in commercial disputes.

Career

Read a full summary of Blair's career on the Twenty Essex website

Chambers Review

Provided by Chambers

UK Bar

Company - London (Bar)

Band 2

Individual Editorial

Blair Leahy KC of Twenty Essex operates a broad practice that incorporates company expertise alongside deep experience in insolvency and commercial chancery matters. Clients look to her in cross-border company issues involving asset recovery, and she possesses a specialism in obtaining freezing injunctions. Additional capabilities include fraud matters and breaches of fiduciary duty.

View ranking table

Fraud: Civil - London (Bar)

Band 3

Individual Editorial

Blair Leahy KC is known for her offshore fraud practice, focusing on multiparty, multi-jurisdictional matters. She has experience handling cases with links to Hong Kong, Russia and the British Virgin Islands, among others, and acts for claimants as well as defendants.

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Chancery: Commercial - London (Bar)

Band 3

View ranking table

Restructuring/Insolvency - London (Bar)

Band 3

Individual Editorial

Blair Leahy KC has a practice centred on international and domestic insolvencies. She remains popular among clients for cases involving allegations of fraud and breach of duty. She frequently features in high-profile cases in the Supreme Court and Privy Council, and has appeared as sole counsel in major misfeasance trials.

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Offshore - All Circuits

Band 3

Individual Editorial

Blair Leahy KC is a highly sought offshore practitioner admitted to the Bar of East Caribbean Supreme Court, British Virgin Islands and the Cayman Islands. She regularly appears in commercial disputes and matters related to insolvency issues.

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Commercial Dispute Resolution - London (Bar)

Band 4

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Strengths

Provided by Chambers

Blair cogently put together excellent opinions and was able to swing the balance in the proceedings towards the clients. She was extremely strategic in her approach.

Company respondent
UK Bar

Blair is a barrister with broad experience who gives high-level strategic advice. She is user-friendly and very responsive.

Company respondent
UK Bar

Blair Leahy KC is exceptional. She has an incredibly effective advocacy style.

Company respondent
UK Bar

She is very hard-working and a very good advocate.

Fraud: Civil respondent
UK Bar

Blair is creative, knowledgeable and fun to work with.

Fraud: Civil respondent
UK Bar

She really gets into the detail and is very commercial, calm and measured.

Fraud: Civil respondent
UK Bar

Blair is brilliant on her feet and doesn't flap when faced with difficult instructions.

Chancery: Commercial respondent
UK Bar

Blair is a very responsive barrister who is extremely strategic in his approach.

Chancery: Commercial respondent
UK Bar

She's very good at working with clients and approaches difficult cases with enthusiasm.

Restructuring/Insolvency respondent
UK Bar

Blair is a really good silk who is great on technical insolvency matters.

Restructuring/Insolvency respondent
UK Bar

Blair Leahy has a huge amount of gravitas and experience and excellent judgement as to which points to take and which not to.

Restructuring/Insolvency respondent
UK Bar

Blair is an absolute dream to work with. User friendly, has an encyclopaedic knowledge of the law, a good commercial understanding of the client's objectives and is a formidable advocate.

Offshore respondent
UK Bar

She's a really powerful advocate.

Offshore respondent
UK Bar

Blair is highly intelligent and very hard-working. She is someone you want to have on your team as she is an extremely formidable opponent to be against.

Commercial Dispute Resolution respondent
UK Bar

She is extremely well prepared, very thoughtful and someone who makes logical, winning arguments.

Commercial Dispute Resolution respondent
UK Bar

Blair cogently put together excellent opinions and was able to swing the balance in the proceedings towards the clients. She was extremely strategic in her approach.

Company respondent
UK Bar

Blair is a barrister with broad experience who gives high-level strategic advice. She is user-friendly and very responsive.

Company respondent
UK Bar

Blair Leahy KC is exceptional. She has an incredibly effective advocacy style.

Company respondent
UK Bar

She is very hard-working and a very good advocate.

Fraud: Civil respondent
UK Bar

Blair is creative, knowledgeable and fun to work with.

Fraud: Civil respondent
UK Bar

She really gets into the detail and is very commercial, calm and measured.

Fraud: Civil respondent
UK Bar

Blair is brilliant on her feet and doesn't flap when faced with difficult instructions.

Chancery: Commercial respondent
UK Bar

Blair is a very responsive barrister who is extremely strategic in his approach.

Chancery: Commercial respondent
UK Bar

She's very good at working with clients and approaches difficult cases with enthusiasm.

Restructuring/Insolvency respondent
UK Bar

Blair is a really good silk who is great on technical insolvency matters.

Restructuring/Insolvency respondent
UK Bar

Blair Leahy has a huge amount of gravitas and experience and excellent judgement as to which points to take and which not to.

Restructuring/Insolvency respondent
UK Bar

Blair is an absolute dream to work with. User friendly, has an encyclopaedic knowledge of the law, a good commercial understanding of the client's objectives and is a formidable advocate.

Offshore respondent
UK Bar

She's a really powerful advocate.

Offshore respondent
UK Bar

Blair is highly intelligent and very hard-working. She is someone you want to have on your team as she is an extremely formidable opponent to be against.

Commercial Dispute Resolution respondent
UK Bar

She is extremely well prepared, very thoughtful and someone who makes logical, winning arguments.

Commercial Dispute Resolution respondent
UK Bar

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