Holly Johnson | Fieldfisher
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Professional background

Professional background

Recent examples of cases that I have worked on, include:

  • Representing the Defendant in Cabo Concepts v MGA Entertainment in a High Court claim alleging abuse of dominance and anti-competitive agreements.
  • Representing Euronet, one of the world’s largest independent deployers of ATMs, in a standalone competition claim against Visa and Mastercard seeking hundreds of millions of dollars in damages.
  • Advising public and private sector clients on managing the tender process in light of changing public procurement laws, and challenging public procurement decisions.
  • Assisting the Chair and Panel and Core participants in a number of public inquiries, such as, the Independent Inquiry into Child Sexual Abuse (IICSA), the Jermaine Baker Inquiry, the Brook House Inquiry, the Covid-19 Inquiry and the Horizon IT Public Inquiry.

Authored pieces

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A bronze statue of Lady Justice holding scales in her left hand and a sword in her right hand, with a blindfold covering her eyes. The background is a clear, bright blue sky with light clouds. The image focuses on the statue, symbolizing fairness and law.
Public & Regulatory
Insight

The Procurement Act 2023 is one year old: what have we learned?

23.02.2026
The Procurement Act 2023 (PA23 or Act) came into force on 24 February 2025. The Act promised to modernise and simplify the legal framework governing how public bodies and utilities purchase goods, works and services. 
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Two people, one in a dark suit and the other in a light suit, are seated at a table. One person is holding a pen and pointing to a document on the table, while the other person is pointing at the same document. The scene suggests a discussion or review of the document.
Competition
Insight

Power Cables - London Array 'Short Circuits' Spottiswoode

03.12.2025
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Two people sit at a table reviewing a document with charts and graphs. One person is holding a pen and gesturing towards the paper, while the other person points with their finger. A laptop and a glass of water are visible in the blurred background.
Public & Regulatory
Insight

Levelling the playing field: What CCS’s 2025 Action Plan means for Buyers and Suppliers

04.11.2025
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A person holding up a smartphone to capture a concert or event. The background is blurred with vibrant pink, purple, and white lights, giving a festive and energetic atmosphere. The image focuses on the phone screen where a part of the stage is visible.
Competition
Insight

"Lunch and Learn": Concerted practices in competition law clarified in Phones 4U case

23.09.2025
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Public & Regulatory
Insight

Public procurement: Exclusion and debarment on competition grounds

25.03.2025
What suppliers and contractors need to know
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