Isabel has a competition and regulatory practice and advises across a range of industries, including regulated industries, on merger control, general competition law, sectoral regulatory requirements, and public procurement. She has a particular expertise in State aid and subsidy control law.
Highlights include advising:
- ABP Food Group on its completed acquisition of two facilities from Scotbeef
- Bupa on the CMA’s private healthcare investigation, including the related appeals to the Competition Appeals Tribunal
- American Express on its litigation before the European Court of Justice (on referral from the UK High Court) in relation to the interpretation and validity of aspects of the Interchange Fee Regulation and the second Payment Services Directive
- Google in relation to various competition law matters around the world
- Northern Powergrid on its successful appeals to the CMA in relation to Ofgem's RII0-ED1 and RIIO-ED2 price control decisions
- Motorola Solutions on its appeal of the CMA's decision in its market investigation into mobile radio network services
- Dowlais Group on its proposed takeover by American Axle & Manufacturing
In relation to State aid and UK subsidy control matters, her work has included advising:
- The UK Government on several key strategic matters including the establishment of the Green Investment Bank and the British Business Bank, the rescuing and restructuring of several systematically important private sector banks, and the operation of several Covid-19 response schemes
- Public and other entities in receipt of public funds on the operational issues associated with subsidy control compliance
- Third-party complainants in relation to State aid investigations as well as alleged beneficiaries if State aid
Isabel is listed as a leading individual by Chambers and a Hall of Fame individual by Legal 500. She has also been recognised in W@Competition's list of 40 in their 40s Notable Women Competition Professionals. Lexology Index: Competition 2024 identifies her as a Global Elite Thought Leader in competition and state aid.
Directories quotes:
- "She provides very comprehensive competition law advice that is strategic and recognises the overall commercial objectives." Chambers and Partners, 2025, Competition Law
- "Isabel Taylor is incredibly clever and knowledgeable, as well as being calm and reassuring to work with." Legal 500 2025, EU and Competition