Hollie has a wide-ranging practice that encompasses all of Chambers' main areas of work, with a particular focus on public, competition, employment and media law. She is appointed to the Attorney-General's Panel of Counsel (C Panel). Recent highlights of her practice include:

    • Acting for Liberty in a judicial review of protest legislation (Liberty v Secretary of State for the Home Department)
    • Acting for the members of Coldplay in a dispute with their former manager (David Holmes v Coldplay)
    • Acting for Apple in collective competition proceedings concerning the Apple 'App Store' (Dr Kent v Apple Inc, Dr Ennis v Apple Inc)
    • Acting for UBS in private and collective proceedings arising from alleged competition breaches in the FX market (Allianz v Barclays Bank and ors; O'Higgins/Evans v Barclays Bank and ors)
    • Acting for Jane Street Global Trading in a judicial review of the London Metal Exchange's decision to cancel trades in the wake of Russian's invasion of Ukraine (Elliott & ors v London Metal Exchange).
    • Acting for the Government in judicial review proceedings concerning the UK's climate change obligations under the Paris Agreement (Friends of the Earth v Secretary of State for International Trades and others)
    • Acting in mass equal pay litigation against Asda, Boots and Morrisons including an appeal to the Supreme Court (Asda Stores Ltd v Brierley; Abdar v Morrisons ; Adams v Boots)
    • Acting for the Welsh Government in two Supreme Court appeals concerning devolved powers in the context of Brexit and the Prime Minister's prorogation of Parliament (Re Scottish Continuity Bill and Miller No.2 v Prime Minister). 

    She is ranked in the directories for administrative & public law, media & entertainment law, sport and employment law. Recent comments include:

    • "Hollie is as clever and sharp as they come. She's a star of the future." - Chambers & Partners, 2025
    • "An incredibly bright junior, who can always be relied on to deliver high quality advice."- Legal 500, 2024
    • "Her mind moves at the speed of light and she produces written work quickly and efficiently."- Chambers & Partners, 2024
    • "She has amazing attention to detail, supplemented by amazing analysis and a razor-sharp intellect."- Chambers UK, 2023
    • "Hollie is superbly smart, approaches work as if nothing is too much trouble, and her drafting is excellent."- Legal 500, 2023

    Experience

    Shortlist

    Public & Regulatory

    Hollie accepts instructions in all areas of public and regulatory work. Her works spans judicial reviews, regulatory appeals and tribunal challenges in the immigration and data protection fields. She is regularly instructed in complex appeals to the Court of Appeal or Supreme Court.

    She is ranked in both Chambers & Partners (Band 4) and Legal 500 (Band 4) for Administrative, Public Law and Human Rights.

    “She is exceptional in terms of her analysis and drafting.”

    Chambers and Partners, 2025

    “Hollie's drafting is precise, concise and second to none.”

    Chambers and Partners, 2025

    “Hollie is very thorough and succinct.”

    Chambers and Partners, 2025

    “She is excellent; she is able to discuss complex issues with the experts as well as the clients, and demonstrates strong commercial awareness.”

    Chambers and Partners, 2023

    “Hollie can prepare drafts at short notice with impressive speed and her drafting is very clear and precise.”

    Chambers and Partners, 2023

    “An excellent advocate and a thoughtful strategist. She provides very good client care.”

    Chambers and Partners, 2023

    Cases

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    • Liberty v Secretary of State for the Home Department

      Acting for Liberty in a judicial review challenge to the "Serious Disruption Regulations" which expand police powers to restrict protest activity (led by Jude Bunting KC).

    • Mr Challinor v Serious Fraud Office[2024] UKFTT 00536 (GRC)

      Hollie represented the Serious Fraud Office as sole counsel in a test case which considered the SFO's entitlement to provide a "neither confirm nor deny" response to FOIA requests seeking information as to the SFO's activities.

    • Paulley & Leadbetter v Train Operating Companies

      Acting on behalf of two disabled rail passengers in a judicial review challenge to the consultation run by train operating companies regarding their proposals to close rail ticket offices around the country (led by Jude Bunting KC).

    • Jane Street Global Trading, LLC v The London Metal Exchange

      Acting for the Claimant in an ongoing challenge to the lawfulness of a decision to cancel nickel trades on the London Metal Exchange in the wake of Russian's invasion of Ukraine - one of The Lawyer's Top 20 Cases for 2023. Led by James Segan KC.

    • Friends of the Earth v Secretary of State for International Trade and others[2023] EWCA Civ 14

      Acting for the Government in Divisional Court and Court of Appeal proceedings concerning the compatibility of export financing decisions to the Paris Agreement with Sir James Eadie KC.

    • Radiocentre Ltd v Ofcom[2023] EWHC 1977 (Admin)

      Acted for Ofcom in successfully defending judicial review proceedings regarding the launch of Radio 1 Dance on the BBC Sounds platform (led by Tristan Jones).

    • KK and RS v SSHD (Sri Lanka Country Guidance)[2021] UKUT 130; [2022] EWCA Civ 119

      Acted for the Secretary of State for the Home Department before the Upper Tribunal and Court of Appeal in a Country Guidance case concerning those categories of asylum seekers who will be at risk on return to Sri Lanka by reason of their sur place political activities (led by Naina Patel).

    • Miller (No.2) v Prime Minister[2019] UKSC 41

      Acted for the Counsel General for Wales in the challenge to the prorogation of Parliament (led by Michael Fordham KC).

    • ENRC v Director of the SFO

      Acted on behalf of ENRC in judicial review proceedings against the SFO regarding investigations into concerns of historical SFO wrongdoing (led by Michael Fordham KC).

    • UK Withdrawal from the European Union (Legal Continuity) (Scotland) Bill - a reference by the Attorney General and Advocate General for Scotland[2018] UKSC 64

      Acted for the Counsel General for Wales in the Supreme Court reference of the Scottish Continuity Bill, concerning the intersection of devolution and Brexit (led by Michael Fordham KC).

    Shortlist

    Competition

    Hollie accepts instructions in all areas of EU law and competition disputes. She is currently acting for UBS, Apple and Three in collective proceedings in the Competition Appeal Tribunal.

    Cases

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    • Gutmann v Hutchison 3G UK Limited

      Acting for Three in proposed 'loyalty penalty' collective proceedings against mobile network operators (led by Brian Kennelly KC).

    • Dr Kent v Apple / Dr Ennis v Apple

      Acting for Apple in two sets of collective proceedings concerning Apple's conduct regarding its 'App Store' (led by Marie Demetriou KC and Brian Kennelly KC).

    • Sportradar AG v (1) Football Dataco Ltd (2) Betgenius Ltd

      Acted for Betgenius in joined competition and private law proceedings arising from Football Data Co's grant of exclusive rights to collect and supply football betting data to it and Sportradar's scouting activities. Settled during trial (led by Ian Mill KC and Tom de La Mare KC).

    • Allianz Global Investors GmbH & ors v Barclays Bank Plc & ors

      Acted for UBS in a damages claim against a number of global banks arising out of alleged breach of competition law concerning conduct in the FX markets (led by Brian Kennelly KC). Settlement achieved before trial.

    • Michael O'Higgins FX Class Representative / Evans v Barclays Bank plc & ors[2021] CAT 16 (on appeal)

      Acting for UBS in proposed collective proceedings before the Competition Appeal Tribunal arising out of European Commission decisions concerning conduct in FX markets (led by Brian Kennelly KC and Paul Luckhurst).

    • BT & Ors v Ofcom[2017] CAT

      Competition Appeal Tribunal trial concerning BT's challenge to Ofcom's business connectivity market review (assisting Tristan Jones, Mark Vinall and Daniel Cashman).

    Shortlist

    Employment

    Hollie appears regularly before the Employment Tribunal and High Court, and is experienced in appellate work up to the Supreme Court. Her work spans equal pay; safeguarding; breach of confidentiality; historical sexual harassment and discrimination allegations in the workplace; 'sham contracts' and whistleblowing. She is also experienced in conducting internal investigations in the employment context. Her clients have included sporting clubs, local authorities, schools, international NGOs and multinational corporations.

    She is ranked in both Chambers & Partners (Band 6) and Legal 500 (Band 4) for Employment Law.

    “Hollie is fabulous. She's proactive and comes up with really good ideas.”

    Chambers and Partners, 2025

    “Hollie's technical ability is extraordinary.”

    Chambers and Partners, 2025

    “Hollie is an excellent advocate. She is very quick thinking, really pro-active and gives high-quality advice”

    Chambers and Partners, 2025

    “She has amazing attention to detail, supplemented by amazing analysis and a razor-sharp intellect.”

    Chambers and Partners, 2023

    “Hollie is exceptional. She is quick to spot potential issues and then considered and focused in resolving them.”

    Chambers and Partners, 2023

    “Hollie is superbly smart, approaches work as if nothing is too much trouble, and her drafting is excellent.”

    Legal 500, 2023

    “She is a very confident advocate and she has the polish that you usually only get when you are more senior.”

    Chambers and Partners, 2022

    “She is ferociously bright, her client skills are very good, she is very clear, she is empathetic and her written work is very thorough - all in all she is a star in the making.”

    Chambers and Partners, 2022

    “Hollie is sharp and quick to grasp the thorny issues. She's also great with clients, balanced and a pleasure to work with.”

    Legal 500, 2022

    Cases

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    • ADP RPO UK Ltd v Haycocks[2024] EWCA Civ 1291

      Hollie represented the Respondent pro bono in an appeal concerning the principles which ought to govern an assessment of the fairness of a consultation process in non-statutory redundancies (led by Tristan Jones KC).

    • Adams v Boots

      Acting for the Claimants in mass equal pay litigation against Boots (led by Karon Monaghan KC).

    • Abdar v Morrisons

      Acting for the Claimants in mass equal pay litigation against Morrisons (led by Karon Monaghan KC).

    • Fintech confidential information dispute

      Acting for a fintech company in proceedings issued against 3 of its co-founders of breach of confidentiality and fiduciary duties (led by Diya Sen Gupta KC).

    • City whistleblowing and race discrimination claim

      Acted for a major global insurance group and two directors defending claims of whistleblowing, constructive dismissal and race discrimination (led by Diya Sen Gupta KC). 

    • Sex discrimination claim against City firm

      Acting for a financial services firm in defending sex discrimination and victimisation claims (led by Diya Sen Gupta KC).

    • Asda Stores Ltd v Brierley[2021] UKSC 10; [2021] 4 All ER 305

      Acted for Asda in their appeal before the Supreme Court on the ability of retail workers to compare themselves with distribution workers for the purposes of their equal pay claim (led by Lord Pannick KC and Ben Cooper KC)

    • Employment (Bullying at Work) Act 2014

      Advising on the construction of new legislation in Gibraltar prohibiting ‘bullying’ in the context of employment (led by Lord Pannick KC).

    • Best & ors v AKW Medi-care Limited & ors

      Successfully acted for the Respondents in  a 5-day preliminary hearing on the question of employer identity, where corporate directors had been employed by a group holding company but performed work for the subsidiaries. Case raised issues of 'sham' and implied contracts.

    • Wilson v CFBT

      Acted for a School in successfully defending a claim of sexual discrimination and sexual harassment across a 10-year period.

    • Safeguarding issues for international NGO

      Acted for an international NGO in defending a claim of wrongful dismissal. The claim raised issues of territorial jurisdiction and safeguarding in conflict areas.

    Shortlist

    Media & Entertainment

    Hollie accepts instructions in all areas of media and entertainment. Her clients have included record companies, music publishers, artists and the BBC.

    She is ranked in Chambers & Partners (Band 3) and Legal 500 (Band 3) for Media and Entertainment Law.

    “Clever, responsive and client-friendly, Hollie is easy to work with.”

    Chambers and Partners, 2025

    “Hollie is exceptionally bright and a future star. A go-to junior for music industry disputes, her work is always first class. Her written arguments are focused, well reasoned and extremely persuasive.”

    Chambers and Partners, 2025

    “Hollie is as clever and sharp as they come. She's a star of the future.”

    Chambers and Partners, 2025

    Cases

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    • (1) Andrew Summers (2) Steward Copeland & ors v Gordon Sumner

      Hollie is representing the former bandmates of Sting in a dispute concerning their entitlements to royalties from digital downloads and streaming (led by Ian Mill KC).

    • TwoPointNine Limited v Ministry of Sound Recordings Limited

      Hollie is representing the Ministry of Sound in this copyright dispute regarding the hit single "Ride It" by DJ Regard (led by Robert Howe KC).

    • David Holmes v Coldplay

      Acting for the members of the band Coldplay in a dispute with their former manager (led by Ian Mill KC).

    • Cayman v Blue Mountain & ors[2022] EWHC 1469 (IPEC)

      Successfully acted for a number of music publishing companies in a copyright ownership dispute in respect of over 80 Bob Marley songs (led by Ian Mill KC).

    • Radiocentre Ltd v Ofcom[2023] EWHC 1977 (Admin)

      Acted for Ofcom in successfully defending judicial review proceedings regarding the launch of Radio 1 Dance on the BBC Sounds platform (led by Tristan Jones).

    • Local TV Network v Ofcom

      Acted for Ofcom in a judicial review claim seeking to challenge its decisions as to the prominence of local TV and television programme guides (led by Kate Gallafent KC).  

    • SIS v The Racing Partnership

      Acted for The Racing Partnership in a Supreme Court appeal raising questions as to the law of unlawful means conspiracy and breach of confidence in the context of sporting data (led by Ian Mill KC). Settled before hearing.

    • Parliamentary Copyright

      Advised on the regime surrounding film and sound recordings of Parliamentary proceedings – in particular, the implications of the Copyright, Designs and Patents Act 1998, the notion of ‘parliamentary copyright’ and the notion of contempt of Parliament (led by Lord Pannick KC and Tom Hickman KC).

    Shortlist

    Sport

    Hollie has a wide-ranging practice in sports law, covering employment and contractual disputes, data and IP exploitation and regulatory matters. Many of her instructions are confidential.

    She is ranked in Legal 500 (Band 4) for Sport.

    She is the co-author of the chapter "Discrimination in Sport" in Sport: Law and Practice, 4th ed.

    Cases

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    • McLaren v Alex Palou & ors

      Acting for Alex Palou in Commercial Court proceedings arising from his decision to continue racing with Chip Ganassi Racing.

    • Confidential investigation

      Hollie was instructed by a football club to conduct a confidential investigation in the context of an employment dispute.

    • Financial Fair Play

      Hollie has advised on matters relating to the Financial Fair Play rules.

    • Sportradar AG v (1) Football Dataco Ltd (2) Betgenius Ltd

      Acted for Betgenius in joined competition and private law proceedings arising from Football Data Co's grant of exclusive rights to collect and supply football betting data to it and Sportradar's scouting activities. Settled during trial (led by Ian Mill KC and Tom de La Mare KC).

    • SIS v The Racing Partnership

      Acted for The Racing Partnership in a Supreme Court appeal raising questions as to the law of unlawful means conspiracy and breach of confidence in the context of sporting data (led by Ian Mill KC). Settled before hearing.

    • NF Football Investments Ltd & anr v Al-Hasawi & anr[2018] EWHC 2884

      Acted in the successful appeal regarding the proper interpretation of 'entire agreements clauses' within an SPA concerning the sale of a football club and the exclusion of liability for misrepresentation (led by Adam Baradon).

    Shortlist

    Commercial

    Hollie accepts instructions in all areas of commercial litigation. She is currently acting for UBS in Commercial Court and Competition Appeal Tribunal proceedings arising from alleged manipulation of global FX markets.


    Cases

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    • McLaren v Alex Palou & ors

      Acting for Alex Palou in Commercial Court proceedings arising from his decision to continue racing with Chip Ganassi Racing.

    • John Lobb Limited v John Lobb SAS[2022] EWHC 2306 (Ch)

      Acted for a family owned luxury footwear business in an appeal concerning the rights to the "John Lobb" trademark (led by Ian Mill KC).

    • Sportradar AG v (1) Football Dataco Ltd (2) Betgenius Ltd

      Acted for Betgenius in joined competition and private law proceedings arising from Football Data Co's grant of exclusive rights to collect and supply football betting data to it and Sportradar's scouting activities. Settled during trial (led by Ian Mill KC and Tom de La Mare KC).

    • SIS v The Racing Partnership

      Acted for The Racing Partnership in a Supreme Court appeal raising questions as to the law of unlawful means conspiracy and breach of confidence in the context of sporting data (led by Ian Mill KC). Settled before hearing.

    • Robinson v Robinson

      Acting for the three individual respondents in an unfair prejudice dispute concerning the management of a family-run business.

    • X v Y (LCIA arbitration)

      Acted for a global company in a £60million breach of contract claim brought by one of its franchisees (led by Tom Weisselberg KC).

    • Bedford Row v Just Cash Flow

      Acted for the defendant in Commercial Court proceedings concerning the proper construction of a sponsor agreement for the issuance of corporate bonds (led by Andrew George KC).

    • NF Football Investments Ltd & anr v Al-Hasawi & anr[2018] EWHC 2884

      Acted in the successful appeal regarding the proper interpretation of 'entire agreements clauses' within an SPA concerning the sale of a football club and the exclusion of liability for misrepresentation (led by Adam Baradon).

    • Mobius Networks Limited v City of London Corporation

      Acted (unled) in a multi-day trial against a QC, winning six figure damages. Case raised issues of breach of contract and telecoms regulation.


    • Telecom2 v BT

      Acted unled on behalf of a communications provider in a High Court contractual dispute against BT,  securing settlement shortly before trial.

    Achievements

    Education

    • BA Jurisprudence, University of Oxford (First Class, 4th in year)
    • LLM, Harvard Law School (Honors in every course).
    • BCL, University of Oxford (Distinction).


    Publications

    • Sport: Law and Practice, 4th ed. (co-author of the chapter "Discrimination in Sport")

    Prizes and awards

    • Buchanan Scholarship (Lincoln's Inn, 2016)
    • Walter Wigglesworth Scholarship (Lincoln's Inn, 2016)
    • Lord Mansfield Scholarship (Lincoln's Inn, 2015)
    • City Law School Excellence Scholarship (City Law School, 2015)
    • BCL Prize for International and European Employment Law (University of Oxford, 2015)
    • Wadham Senior Scholarship for academic achievement (Wadham College Oxford, 2014)
    • Oxford-HEFCE Scholarship for postgraduate study (University of Oxford, 2014)
    • Dean's Scholar Prize for Laws of War (Harvard Law School, 2014)
    • Dean's Scholar Prize for Human Rights in the UN Treaty Bodies (Harvard Law School, 2014)
    • John E. Thayer Award (Harvard Law School, 2013)
    • Scholar of Worcester College, Oxford (2011-2013)
    • Hogan Lovells' Prize for Exceptional Academic Performance in Second Year Legal Studies (Worcester College Oxford, 2012)
    • Slaughter and May Prize for Roman Law (University of Oxford, 2011).

    Pro Bono Legal Work

    Hollie is committed to pro bono work and regularly accepts instructions via Advocate or other NGOs.

    Before coming to the bar, Hollie was a Lecturer in Roman Law at Worcester College, Oxford.

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