JUNIOR PROFILE
Alistair Haggerty

Alistair Haggerty

UK Bar 2026

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Ranked in 3 practice areas

About

Provided by Guildhall Chambers

Practice Areas

Alistair prosecutes and defends in serious criminal cases and has a nationwide health and safety and environmental practice.

He is a CPS grade 4 prosecutor and on the level A panel of Specialist Regulatory Advocates. He is frequently instructed at an early stage in complex matters to provide advice and to shape the direction of a case. He is well-regarded for his breadth of legal knowledge, focused and persuasive advocacy, and tactical acumen.

His practice extends across the full range of criminal allegations including murder, manslaughter, rape, serious violence, child abuse, high-level fraud, drugs conspiracies, and firearms offences. Alistair has recently appeared in a number of cases against, or co-defending with, Kings Counsel.

He is often briefed in substantial multi-handed cases in which his eye for detail and strategic insight are especially valued. He combines a detailed knowledge of the law and a forensic approach to preparation with a natural empathy and ability to judge the emotional tone of a case. It is this skill which has seen him praised for his ability with vulnerable complainants and defendants, young witnesses, and those suffering from serious mental health problems.

Alistair is instructed by regulatory bodies across the country. His experience spans a number of disciplines, including health and safety, food standards, and environmental law. In recent years, he has prosecuted and defended in several cases involving fatalities which have attracted significant media attention.

Chambers Review

Provided by Chambers

UK Bar

Health & Safety - Western (Bar)

Band 1
Band 1

Individual Editorial

Alistair Haggerty has an established Health and Safety practice. He regularly acts for the Health and Safety Executive for cases involving asbestos and food safety standards matters. He also has a very well-established defence practice.

Environment - Western (Bar)

Band 2
Band 2

Individual Editorial

Alistair Haggerty of Guildhall Chambers has an established environmental practice defending and prosecuting regulatory breaches of environmental law. He has recent experience in harmful emissions and campsite land law violations.

Crime - Western (Bar)

Band 3
Band 3

Individual Editorial

Alistair Haggerty both prosecutes and defends, and has experience acting alone and as a led junior. His practice spans serious crime including RASSO charges and homicides.

Strengths

Provided by Chambers

  • He is a great advocate and extremely pragmatic. He can understand a wide range of clients.

    Health & SafetyUK Bar
  • He puts together strong legal arguments. I think the depth and the extent of the arguments he put together stood out to me.

    Health & SafetyUK Bar
  • He is really quite calm; he doesn't panic; he makes very good points. I have seen his advocacy, he is very measured and he is easy to understand.

    Health & SafetyUK Bar
  • Alistair is utterly fair and has a charming ease with judge and jury which is underpinned by detailed preparation and a highly ethical and fair approach at all times.

    CrimeUK Bar

Ranked Barristers at Guildhall Chambers (90)

All Circuits

The Regions (Bar)

Western (Bar)

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