Herbert Smith Freehills Kramer LLP
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Herbert Smith Freehills Kramer LLP delivers comprehensive guidance on environmental regulation, permitting, waste and water matters, and disputes with regulatory bodies, while also advising on major energy transition projects such as green hydrogen, biogas and offshore wind. Practice head Iria Calviño specialises in decarbonisation, renewable energy, environmental permitting and contentious matters. Esther Lumbreras routinely advises on ESG-related environmental risks, and José Ramón Mourenza is highly regarded for his expertise in climate change regulation and environmental impact assessments.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘José Ramón Mourenza is a highly professional individual with clear ideas and a decisive approach. His advice is always accurate.’
- ‘The partner provides personalised and efficient customer service, enabling effective and smooth communication.’
Key clients
- Berkeley Minera España
- Cobre las Cruces
Work highlights
Advising Berkeley Minera España on all the legal aspects related to its uranium mining projects in Spain, especially on regulatory, environmental and contentious litigation (drafting allegations, assisting in the challenges against the permits, environmental etc.) matters.


