E&A Law Limited

E&A Law is a boutique law firm focussing on energy, environmental, arbitration, international and EU law.

Our clients include states, international financial institutions, and world leading energy and resources companies.

Ana was listed as one of the top 13 UK Energy (Power and renewables) lawyers in 2025, top 5 UK Energy (Power) lawyers in 2024 and top 11 UK Energy (Oil and Gas) lawyers in 2023 by Chambers & Partners.

She was also ranked as Leading Partner in Public International lawyers by Legal 500 in 2025.

“[Ana] is connected in Brussels and has extensive experience in EU law and regulation, Chambers 2025

"She can turn her hand to concepts and strategies outside of most lawyers' remit." Legal 500, 2019

Latest news

July
2025

Together with Leigh Hansher, Ana published an op ed exploring the Legal Basis for the Commission’s proposal to phase out Russian gas and the force majeure and other implications thereof. (link)

July
2025

Financial Times for the first time asked Ana to comment on the Legal basis for the Commission's proposal to phase out Russian gas. link)

July
2025

Ana’s mandate on the Court of Arbitrators at the Permanent Court of Arbitrators in The Hague was extended by Slovenia for another 5 years.

Fees and Service Delivery

Please visit our Fees and Service Delivery section for more information on our most commonly used pricing models, business integrity, client confidentiality and conflicts policy.

Public Access

Public access allows members of the public, commercial and non-commercial organisations to be able to instruct barristers directly on most civil matters. Please visit our Direct and Public Access Scheme section and Guidance for Lay Clients.

Practice Areas

ENERGY LAW
EU LAW
INTERNATIONAL LAW
ARBITRATION AND DISPUTE RESOLUTION
ENVIRONMENTAL LAW
ARBITRATOR

Recommended in 2023-2025

Energy and Natural
Resources Power and Renewables: band 3

Public International Law: Leading Partner

Energy and Natural
Resources Oil and Gas:
band 3

Energy and Natural
Resources Power:
band 2

Click on the above logos to see the rankings.

“Ana is adaptable to new legal environments”, Chambers 2025

“Her main advantages are proficiency in EIA and nuclear law”, Chambers 2025

Ana "has a deep understanding of energy sector issues.", Chambers 2024

Ana “is very responsive, proactive and is always thinking of commercial angles.", Chambers 2024

E&A Law “is a firm with wide experience of international law practice …, is highly rated for its expertise in energy and natural resources-related public international law issues; regularly handles state-to-state matters; and stands out for its experience in matters involving South East Europe and CIS countries”, Legal 500, 2019

“We hold her in very high esteem. She is very responsible with her fees, too”, IFLR 1000, 2014