BA (Oxford); MA (UCL); PhD (UCL); GDL (City); BPTC (City)
BA (Oxford); MA (UCL); PhD (UCL); GDL (City); BPTC (City)
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Antonia has a busy practice spanning all of Chambers’ principal areas of expertise. She is ranked in the Legal 500 as a “rising star” and in Chambers UK as “up and coming” in Competition Law.
Antonia is one of 11 barristers to be named in The Lawyer’s Hot 100 2026, where she is described as having “fast become a recognised name in the CAT as a go-to in the billion-pound, large-scale disputes that are shaping the competition… landscape”.
Antonia is instructed in several high-profile competition disputes and has particular experience in cases concerning digital markets. Highlights include Dr. Rachael Kent v Apple Inc. and Apple Distribution International Ltd [2025] CAT 67 and Merchant Interchange Fee Umbrella Proceedings [2025] CAT 37. Other recent instructions include Coll v Google; Neill v Sony; and Roberts (sewage spills). Antonia acts both led and unled and has appeared as an advocate in the Competition Appeal Tribunal, Upper Tribunal and County Court. Her advocacy in the CAT has included trial cross-examination and submissions, and CMCs (unled).
Antonia is a contributor to the upcoming ninth edition of Bellamy & Child, and co-author of the Competition Law chapter of Tech London Advocates/the Law Society’s ‘Blockchain Legal & Regulatory Guidance’ (Second Edition).
Prior to coming to the Bar, Antonia was a Junior Research Fellow and Lecturer in History at St. John’s College, University of Oxford, where she wrote a book on medieval history.
Collective proceedings:
Private law competition claims:
Antonia has been instructed in procurement matters on behalf of both claimants and defendants.
Antonia regularly acts in matters under FOIA and welcomes instructions in this area.
Recent highlights include acting for the ICO in the following appeals to the Upper Tribunal regarding the exemptions under FOIA sections 30 and 44: Police Ombudsman for Northern Ireland v Information Commissioner [2025] UKUT 198 (AAC); Police Ombudsman for Northern Ireland v Information Commissioner [2025] UKUT 199 (AAC).
Antonia has been instructed and appeared in the County Court in commercial matters including:
Education
Scholarships and prizes
Up and Coming in Competition: “In my view, Antonia is one of the best juniors at the competition Bar. Her advocacy is incredible for someone at her level. She is a safe pair of hands.” “Antonia is impressive. She adapts quickly to developments, is intellectually agile and is able to knit together a case with clarity and force.” “Antonia is incredibly calm, intellectually brilliant and experienced beyond the call. She will be a leading barrister in the future.” – Chambers UK, 2027
Up and Coming in Group Litigation: “Antonia is a safe pair of hands; she is the ultimate reliable junior. No matter how big the work mountain is, she just gets on with it.” “Antonia is doing very well. She is very impressive.” “Antonia is lovely to work with. She produces under immense pressure.” “Antonia is a really capable junior and a safe pair of hands. She is incredibly reliable and a pleasure to work with. Clients really like her. She is great. I really would mark her out as excellent.” – Chambers UK, 2027
Rising Star in Competition: “Antonia is brilliant all around. She is enthusiastic, technically excellent, easy to work with, good at advocacy, and good at written work. I could not recommend her higher.” – Legal 500, 2027
Leading Junior in Group Litigation – Legal 500, 2027
Up and Coming in Competition: “I’ve never worked with someone at her level who’s so good. She is amazingly mature, her advocacy is really fantastic and she’s exceptionally hard-working. I would like her on everything.” “Antonia is really sensational. She comes across as more senior than she is, her advocacy is super advanced and she is strategically switched on.” “She is very able, and has a very good drafting style and excellent judgement. She did a fantastic job of cross-examining, like she’d been doing it her whole life.” “I really rate her, she is going to be brilliant. She’s an absolute force of nature.” “Antonia is absolutely excellent – enthusiastic, very sharp legally, with great judgement and wisdom. She’s very perceptive in terms of case dynamics and particularly good on her feet for a junior.” – Chambers UK, 2026
Up and Coming in Group Litigation: “She’s great. She’s operating at a level above her seniority and is really up and coming.” “Antonia is well beyond her call year. She is across the details, understands the complicated economics, and produces high-quality drafting in short order.” – Chambers UK, 2026
Rising Star in Competition: “Antonia is simply first class. Leaders and senior juniors love her as do clients. Her advocacy is incredibly good for her level of call, and her commercial approach to cases coupled with her thorough understanding of the law mean she is in high demand.” – Legal 500, 2026
Rising Star in Competition: “Antonia is brilliant. She works exceptionally hard and drafts clear and compelling written submissions. She conducts a simply brilliant cross-examination of difficult witnesses with a skill that belies her recent call. She is a real star of the future.” – Legal 500, 2025