Leigh Day remains at the forefront of claimant-focused public law, with a dedicated team working exclusively on administrative law matters, particularly judicial review. The team is known for its complex, high-impact work across diverse and evolving areas of law, often acting alongside NGOs, charities, and individuals in strategic litigation. Its expertise spans environmental protection, human rights, civil liberties, and immigration. Practice head Jamie Beagent is highly regarded for his work on environmental justice and the rights and welfare of immigrants and asylum seekers. Tessa Gregory is a standout figure, having led some of the most groundbreaking public law cases in recent years, particularly in relation to human rights, welfare reform, and environmental protection. Stephanie Hill brings specialist expertise in migrants’ rights and immigration detention, regularly representing vulnerable individuals, including survivors of torture and trafficking.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge

Testimonials

Collated independently by Legal 500 research team.

  • ‘Hands-down the best claimant law firm in the country for administrative and public law. They have strength at every level of seniority and know the law back to front. They are also fearless lawyers and very creative thinkers, not to mention a pleasure to work with. They are in most of the cutting-edge judicial review claims against the government and lead the pack.’
  • ‘Tessa Gregory is arguably the foremost claimant public law solicitor in practice today. She can turn her hand to anything human rights related, and leads on some of the biggest challenges against government today.'

Key clients

  • Sri Lankan asylum seekers detained by the British Indian Ocean Territory (BIOT) Administration
  • Raymond Lee

Work highlights

Represents Raymond Lee in a judicial review challenging the decision of the Secretary of State for the Home Department to refuse compensation under the Windrush Compensation Scheme.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Stephanie Hill
Stephanie Hill
Practice head

Jamie Beagent

Other key lawyers

Tessa Gregory; Stephanie Hill; Waleed Sheikh; Tom Short