
Fieldfisher is particularly well known for the assistance it provides to healthcare tech clients, but possesses expertise in the financial services, retail and tech sectors. The tech and data practice is geared to support companies with privacy compliance, data subject access requests and GDPR issues. Department head Hazel Grant is praised by clients for her ‘outstanding client care skills’ and is noted for her capabilities in the artificial intelligence space. Leonie Power is noted for her capabilities in international data transfers, transfer impact assessments and she recently helped an international corporation remain compliant with new EU legislation. Nuria Pastor adds additional strength to the bench.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Hazel Grant is a star, always focusing on pragmatic legal solutions. She has outstanding client care skills, and takes time to really understand her client's objectives.'
- 'Fieldfisher is a truly supportive law firm with a welcoming and friendly team. Their collaborative approach and deep industry expertise make them a pleasure to work with. We’ve particularly valued their understanding of the health tech sector and their ability to provide clear, commercial advice across complex areas of law.'
- 'A solutions-focused approach that cuts out legal jargon and helps the client focus on the practical steps required to achieve their desired outcomes. The team is also incredibly approachable and friendly!'
- 'The firm also plays an active role in the wider industry, hosting thoughtful and engaging events that bring people together and foster meaningful discussion. It’s clear that Fieldfisher is invested in building long-term relationships and contributing positively to the health tech community.'
- 'We genuinely enjoy working with them and highly value the partnership.'
- 'They know where to balance legal considerations with our company's business goals to arrive at the right outcome and always in compliance with the law.'
Key clients
- Hasbro Inc. and Wizards of the Coast LLC
- Mott McDonald
- Ancestry Ireland Unlimited Company
- Intuit Inc
- Intuit Limited (Quickbooks)
- Rocket Science Group LLC (Mailchimp)
- Deltatre Limited
- TikTok/Bytedance
- Citigroup
- eDreams International Network S.L.
- Taboola, Inc.
- ConnectWise
Work highlights
Advising global engineering consultancy Mott Macdonald on privacy compliance issues.
Providing external DPO services to Taboola, a content discovery and native advertising platform.
Advising Citigroup on various data protection matters, including in relation to international transfers and, in particular, the conversion of its binding corporate rules into a structure using the ICO's new UK Addendum to EU BCRs and on the maintenance of its portfolio of 65 transfer impact assessments.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Hazel Grant
Other key lawyers
Leonie Power; Kirsten Whitfield; Lorna Cropper; Nuria Pastor