Katharine Muir
Katharine Muir called to the Bar in 2022 after 6 years as a solicitor in private practice. She has a varied civil practice which includes professional regulation, clinical negligence, product liability, judicial review, defamation, construction litigation and contractual disputes. She appears regularly in the Sheriff Courts and Court of Session and has been instructed in group proceedings.
Katharine has a particular interest in product liability. She has worked on some of the most high-profile product liability cases in Scotland as solicitor and since coming to the Bar. She has also advised manufacturers on product compliance and safety, labelling and advertising.
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Mary Ellen Stewart
Mary Ellen Stewart called to the Bar in 2021, after training and qualifying with Brodies LLP, and latterly working there as a senior solicitor.
As a solicitor, Mary Ellen had a busy practice dealing with a broad range of commercial disputes. Her practice had a particular focus on commercial contracts, banking and finance, insolvency and professional liability litigation. When in private practice, Mary Ellen appeared in the Sheriff Courts and instructed Counsel in Court of Session cases.
Mary Ellen has a particular interest in professional liability and regulation. She also has an interest in maritime and shipping law, and is the Advocate member of the Law Society of Scotland’s Marine Law Sub-Committee. Mary Ellen is also a part-time tutor of Contract Law and Unjustified Enrichment at Edinburgh University.
Mary Ellen was appointed to the Advocate General’s panel of Nominated Presenting Officers to the Home Office in 2021.
Mary Ellen is fluent and fully literate in Scottish Gaelic and is well placed to undertake work involving consideration of documents in Gaelic.
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Mark Boni
Mark Boni called to the Bar in 2020, having qualified as a solicitor in 2014. Since 2022, Mark has been ranked by Legal 500 as a tier 2 leading junior in commercial disputes and since 2024 has been ranked as a tier 1 leading junior in private client and family disputes. In the UK Bar Guide 2025, Chamber & Partners identified him as an “up and coming” junior counsel in commercial dispute resolution as well as real estate litigation.
Mark has experience in a wide range of commercial and private law litigation, with a particular interest in contractual and property disputes, prescription, personal insolvency and private client litigation.
He regularly appears for pursuers and defenders at proofs, debates, procedural hearings, opposed motions and interim orders hearings.
Mark has experience, both as a solicitor and at the Bar, of litigating in the Sheriff Courts, Sheriff Appeal Court, Lands Tribunal, Court of Session (Outer and Inner Houses) as well as the UK Supreme Court. Mark also has experience in alternative dispute resolution, including arbitration and mediation.
Whilst devilling, Mark was a Lord Hope Scholar and was involved in a variety of complex and high value cases, including professional negligence claims and intellectual property actions.
Since 2012, Mark has tutored part-time at the University of Edinburgh. He presently tutors “Commercial Law” and “Contract and Unjustified Enrichment” and previously tutored “Public Law of the UK and Scotland” and “Public Law and Individual Rights”.
Mark wrote the reissue edition of “Prescription and Limitation” in the Stair Memorial Encyclopaedia (published 2023) and has rewritten the Scottish prescription and limitation online content for Lexis+.
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Nicholas McAndrew
Nick called to the Bar in 2020, having been a solicitor for five years in a large Scottish commercial law firm specialising in Construction Litigation. Since calling, Nick has focused his practice on Construction and Commercial Disputes together with Planning & Environmental law issues.
Nick is rated as a Leading Junior (Band 1) in Legal 500 for Property, Planning and Construction disputes, with solicitors emphasising his strong written work and methodical approach to cases.
He is also ranked in Chambers as Band 1 for his Planning & Environment practice.
Previously as a solicitor, and now as an Advocate, Nick has litigated in the Courts (Sheriff Court & Court of Session (Outer and Inner House)), Lands Tribunal, Adjudication, and at Arbitration.
Selected cases:
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Euan Scott
Euan Scott called to the Bar in 2020 having worked in one of Scotland’s leading litigation firms.
He has a broad civil practice with a particular focus on medical and professional negligence, and commercial dispute resolution (with his experience concentrating on commercial contract disputes, property disputes, contentious construction and insurance).
He also has an interest in media law and insolvency issues and has extensive experience of public inquiries.
Euan was appointed as Standing Junior Counsel to the Scottish Government in 2022
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Shane Dundas
Shane Dundas principally practises in the fields of clinical negligence and fatal accident and public inquires. He has considerable experience acting on behalf of NHS Health Boards and medical indemnity providers in complex and high-profile cases both at first instance and appellate levels. Shane has a particular interest in cases giving rise to medical ethics considerations, having acted in several complex and sensitive cases concerning the treatment of vulnerable patients. He has also provided advice on complex medico-legal issues to several bodies (including Health Boards and charities) in an advisory capacity. He is ranked by Chambers & Partners and the Legal 500 as a leading junior in the areas in which he principally practises.
Directories
Chambers UK Bar – Clinical Negligence, Band 2
Chambers UK Bar – Fatal Accident & Public Inquiries, Up and Coming
Chambers UK Bar – Personal Injury, Up and Coming
Legal 500 – Personal Injury and Medical Negligence, Band 2
Legal 500 – Crime and Regulatory, Band 2
“The ‘incredible advocate’ Shane Dundas’s strategic thinking, legal skills, communication and attention to detail are second to none.” (Legal 500, 2026 (Personal Injury and Medical Negligence))
“His ability to analyse and bring focus to the core issues of a case makes him an exceptionally skilled advocate to have on your side.” (Chambers & Partners, 2026 (Clinical Negligence – Scotland (Bar))
“He has an incredible attention to detail, and his advocacy is of the highest standard.” (Chambers & Partners, 2026 (Public & Fatal Accident Inquiries – Scotland (Bar))
“Shane’s depth of knowledge and understanding within the highly complex field of medical litigation is of a golden standard.” (Legal 500, 2025 (Personal Injury and Medical Negligence))
“Shane is a standout advocate. I would trust him with any matter I work on… I feel very reassured when I have Shane instructed on a case.” (Chambers & Partners, 2024 (Clinical Negligence – Scotland (Bar))
“A dedicated junior with superb judgement.” (Legal 500, 2024 (Personal Injury and Medical Negligence))
“An outstanding advocate who is great to work with. He is responsive, proactive and excellent in court.” (Legal 500, 2023 (Personal Injury and Medical Negligence))
Selected cases
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