Firms To Watch: Environment

Philippe Mathurin jointly leads the team at Alerion alongside Fahima Gasmi, who is noted for her expertise in industrial environmental law, supporting economic operators during all stages of the operation of industrial sites.
Boutique firm HK Legal handles a range of environmental law mandates, from advising local authorities on the public management of water to the communication of environmental public documents. Louis-Narito Harada leads the team.
Joanna Peltzman, who joined from DS Avocats in June 2022, leads the practice at Osborne Clarke and advises clients on their transnational operations, involving factors concerning environmental risk management, sustainable development and the circular economy.
Marie-Laetitia de la Ville-Baugé spearheads the team at Valmy Avocats, and advises on a range of matters concerning classified facilities, environmental authorisations for projects, polluted sites and soils, and technological risk, among others.
The practice at Vingtrue Avocats, which welcomed practice leader Sarah Becker in January 2023, is active on mandates concerning waste management, permitting, environmental due diligence and related litigation.

Environment in France

Foley Hoag

Foley Hoag routinely represents corporations working in the energy, chemicals, mining, and agricultural sectors in environmental litigation before the French courts. On the advisory side, the team excels in risk and pollution management for projects, site redevelopment, recycling, environmental reporting and hazard product management. The practice is co-led by Carine Le Roy-Gleizes and Corentin Chevallier, who are noted for their ‘skill and experience in environmental law’. Le Roy-Gleizes handles both contentious and non-contentious environmental mandates, including industrial risks, waste management, soil contamination, and litigation, while Chevallier is noted for his knowledge of mining matters. Frédéric Scanvic is an additional key contact.

Responsables de la pratique:

Carine Le Roy-Gleizes; Corentin Chevallier

Autres avocats clés:

Frédéric Scanvic

Les références

‘Corentin Chevallier and Carine Le Roy-Gleizes both have great skill and experience in environmental law.’

‘The team is efficient and rigorous.’

‘Carine Le Roy-Gleizes undoubtedly stands out. She works extremely hard, is extremely conscientious and rigorous.’

‘Carine Le Roy-Gleizes always provides good advice during negotiations, while being firm on her client’s positions.’

Principaux clients


Mines de Potasse d’Alsace (MDPA)


Kalhyge (Groupenehs)

Northrop Grumman


Gie Osiris











Principaux dossiers

  • Represented Mines de Potasse d’Alsace (MDPA), a former mining operator, in an environmental dispute regarding StocaMine site, an underground hazardous waste storage site in a former potassium mine located in Alsace for which MDPA has obtained definitive waste storage authorisations.
  • Advised ENGIE’s different business units regarding biodiversity issues, mining law issues, waste issues and remediation issues.
  • Represented Lafarge France in high-stakes disputes related to the management of excavated soils generated by the digging of the latest underground subway line (West-East) in the Paris Region (Eole project).

Gide Loyrette Nouel A.A.R.P.I.

‘Great expertise and responsiveness’ are the calling cards of the environmental group at Gide Loyrette Nouel A.A.R.P.I. Key areas of expertise for the team extend from matters relating to water and soil contamination and protected species to sustainable project development, regulatory work and environmental litigation. Industrial environmental law specialist Jean-Nicolas Clément heads up the practice and is experienced in matters relating to nuclear and renewable energies. Together with key practitioner Alice Bouillié, who was promoted to of counsel in January 2023, the pair form ‘an exceptional duo’.

Responsables de la pratique:

Jean-Nicolas Clément

Autres avocats clés:

Alice Bouillié

Les références

‘Special traits include great expertise and responsiveness.’

‘Jean-Nicolas Clément and Alice Bouillié form an exceptional duo of mastery and sense of strategy in the most complex files. Their accessibility and responsiveness are exemplary.’

Principaux clients

Vinci Autoroutes – Autoroutes du Sud de la France (ASF)



Vinci Autoroutes – Arcos


Paris Saint Germain Football Club (PSG)

Agence Nationale de Gestion des Déchets Radioactifs (ANDRA)




Principaux dossiers

  • Assisted ASF with the environmental authorisation process required for the development of highway A680 in the south of France.
  • Assisted Imerys with the environmental strategy for the development of a lithium deposit project of strategic importance for the independence of the national supply in the context of the energy transition.
  • Assisted Prologis with the environmental due diligence and strategic consultancy for the acquisition, leaseback, and redevelopment of the Flins industrial site.

Jones Day

Jones Day’s ‘proactive and responsive’ environmental group is regularly instructed by multinational corporations, government entities and public bodies for its advisory, transactional, and contentious support. Core areas of expertise include the handling of matters relating to chemical substances and product safety, environmental crisis management, and assisting with the development of renewable energy projects. Françoise Labrousse heads the team and focuses on environmental, crisis management, and health and safety-related mandates. Additional key contacts include Armelle Sandrin-Deforge and Elodie Simon, who major on environmental-related M&A and health and safety issues, respectively.

Responsables de la pratique:

Françoise Labrousse

Autres avocats clés:

Armelle Sandrin-Deforge; Elodie Simon

Les références

‘Proactive and responsive team, very attentive and hardworking.’

Principaux clients



DataBank Holdings



PTT Global Chemical Public Company

Electricité de Strasbourg

King & Spalding LLP

The group at King & Spalding LLP is led by the ‘pragmatic and responsive’ Joëlle Herschtel, who garners strong praise from clients. Herschtel specialises in environmental and toxic tort litigation, and has demonstrable experience appearing before the French administrative, civil, and criminal courts. The team’s expertise also extends to advisory mandates such as the management of polluted sites, assistance with environmental audits and infrastructure projects, and regulatory advice.

Responsables de la pratique:

Joëlle Herschtel

Les références

‘Collaboration is always pleasant thanks to the quality of contact.’

‘Joëlle Herschtel stands out for the quality of her advice and pugnacity in matters of litigation. This ranges from the development of a relevant strategy in a long and complex file or innovative advice for specific questions.’

‘Joëlle Herschtel, as lead lawyer, brings knowledge of technical issues related to soil remediation. This complementary expertise can be a major asset in advising clients effectively. The responsiveness of the team is an asset, as environmental issues can often require rapid action to minimize risks and consequences.’

Principaux clients





Principaux dossiers

  • Represented ARCELORMITTAL MEDITERRANEE in a challenging lawsuit case initiated by residents surrounding the Fos industrial area.
  • Represented RECYLEX in a litigation case against SNCF RESEAU, the French railway network company, before the Administrative Court of Appeal and as part of a court-ordered expert appraisal.

LPA-CGR avocats

The sizable, ‘skilled’, and ‘available’ team at LPA-CGR avocats is well-equipped to handle the range of environmental mandates. Areas of expertise include dealing with polluted industrial sites, water, and soils, urban planning, and waste management, while environmental litigation is an additional key area of expertise for the group. Practice head Frédérique Chaillou provides advisory, transactional, and contentious support and is lauded for her ‘expertise and personal commitment’. Additional key contacts include renewables expert Fabrice Cassin; all-rounder Vincent Sol; urban planning, environmental and energy-focused partner François Versini-Campinchi; and Anne Delorme, whose practice encompasses matters relating to waste management and soil and air pollution.

Responsables de la pratique:

Frédérique Chaillou

Autres avocats clés:

Anne Delorme; François Versini Campinchi; Vincent Sol

Les références

‘François Versini Campinchi brings deep case knowledge and attentive supervision to his team, which constitutes one of their major strengths. François demonstrates unwavering commitment to clients. In-depth knowledge of files and rigorous monitoring guarantee precise and efficient business management, which is particularly reassuring for clients.’

‘A dynamic team made up of excellent experts.’

‘Frédérique Chaillou and Anne Delorme, who are not only recognised experts in their field, but who also demonstrate availability and understanding of industrial and business issues.’

‘The particular traits of this team are its environmental expertise, its efficiency and an excellent firm/client relationship. Its strengths include in-depth knowledge of environmental law, transparent communication and a collaborative approach. I consider it a leader in the environmental field. LPA-CGR stands out for its ability to find creative solutions to legal problems while remaining pragmatic.’

‘The expertise and personal commitment of Frédérique Chaillou and her team are exceptional. They excel in managing complex cases, provide relevant practical advice and demonstrate a great understanding of environmental issues.’

Principaux clients

Air Liquide








Rio Tinto



A&O Shearman

The public and environmental team at A&O Shearman is routinely retained by corporations seeking advice on the regulatory challenges to the transition to a sustainable economy. Contaminated land and waste matters, transactional and contentious mandates are core strengths. Practice head Romaric Lazerges offers public law expertise, while Arthur Sauzay, who was promoted to partner in May 2023, majors in ESG matters and climate litigation.

Responsables de la pratique:

Romaric Lazerges

Autres avocats clés:

Arthur Sauzay

Les références

‘The team is young and dynamic. It is possible to obtain legal and operational answers to questions that are far from obvious within tight deadlines.’

Principaux clients

Air Liquide




General Electric


Saunier Duval


Principaux dossiers

  • Represented TotalEnergies in the first climate litigation against a private company in France.
  • Advised Hy24, a hydrogen-dedicated fund, on the development of green hydrogen projects at the EU level.
  • Advised TotalEnergies on the sale to Ineos of several assets and stakes in energy-related assets in France.

David Desforges, Avocat à la Cour

At David Desforges, Avocat à la Cour, environment law specialist David Desforges is well-versed in a broad range of matters, including those relating to air emissions, waste and water management, the storage of dangerous substances, and contaminated sites and soils. Desforges is regularly instructed by major corporate clients in the retail, automotive and infrastructure segments seeking support with transactional and regulatory matters.

Responsables de la pratique:

David Desforges

Principaux clients





Système U





Autoroutes Paris Rhin Rhône


Groupe Delachaux

Principaux dossiers

  • Advised Invista on the decarbonization of its chemical activities in France in the context of France’s boosting of industry efforts to meet the 2030 and 2050 decarbonization targets.
  • Advised Autoroutes Paris Rhin Rhône on the adaptation of the management of its road renovation wastes towards an improved circular approach and further reduction of the carbon footprint of its activities.
  • Advised French supermarket chain Système U on the rental of large-capacity warehouses and the adaptation of its warehousing activities to new town-planning and environmental requirements.


The environment group at FIDAL, which boasts a team of lawyers stationed across twelve French offices, specialises in matters involving water and land contamination, waste management, industrial risk management, and renewable energy. Paris-based national practice director Christophe Puel majors on contaminated sites and soils and chemical products mandates. Deputy national director Thibaut Geib is noted for his experience in environmental industrial law and environmental issues that affect brick-and-mortar assets.

Responsables de la pratique:

Christophe Puel; Thibaut Geib

Les références

‘Availability and responsiveness. Relevant responses adapted to the situations encountered.’

‘Excellent knowledge and follow-up of files, very good quality advisory work, and good responsiveness and availability.’

‘The team has the expertise to advise companies on regulatory challenges. High-quality people, committed to resolving our legal challenges. Communication is clear and effective, which makes collaboration easy.’


The practice at Fieldfisher is routinely instructed by public and private companies, sponsors, and insurance firms seeking assistance with litigation and advisory environmental matters. Among the group’s core areas of strength are circular economy and waste management matters, renewable energy projects, and urban planning mandates. Practice head Marie-Léonie Vergnerie specialises in land management and waste recovery processes, while Emmanuel Paillard focuses on environmental authorisations. Paul Peyret is another key contact.

Responsables de la pratique:

Marie-Léonie Vergnerie

Autres avocats clés:

Emmanuel Paillard; Paul Peyret

Les références

‘Marie-Léonie Vergnerie is very clear and approachable.’

‘The team has in-depth expertise on legal aspects of industrial waste. It is able to analyse a complex and challenging case, proposing different solutions.’

‘It was a great pleasure to work with Marie-Léonie Vergnerie. She produced a brilliant and clear mission report, which contained all possible options and crystal clear explanations.’

Principaux clients










OLYMPUSOM Digital Solutions




Atmos Avocats

The expertise of Atmos Avocats’s environment group spans environmental, public, construction and real estate law, covering both contentious and non-contentious mandates. Waste management, renewables, and pollution are core areas of strength. The practice is jointly led by multidisciplinary practitioners Alexandre Moustardier and Marie-Pierre Maitre; both boast advisory and contentious credentials, and frequently advise large industrial groups, SMEs, developers, and institutions.

Responsables de la pratique:

Alexandre Moustardier; Marie-Pierre Maître

Principaux clients




Carrières Nivet


Vinci Immobilier




Airbus Group

Bic group

PMC Isochem

Air Liquide




Minéraux Industrie France

August Debouzy

The expertise of the group at August Debouzy covers both advisory and contentious environmental work. Areas of strength include environmental permits, matters relating to the circular economy, and pollution issues affecting industrial sites. Practice head Vincent Brenot has focused his practice on urban planning and environmental matters, as well as M&A. The team was strengthened with the arrivals of Nicolas Baverez and Ghislain Minaire in January and March 2023, respectively.

Responsables de la pratique:

Vincent Brenot

Autres avocats clés:

Nicolas Baverez; Ghislain Minaire

Les références

‘Expertise, professionalism and availability.’

‘Vincent Brenot is a brilliant lawyer. Available, precise and always looking for operational solutions.’

‘The team is young, dynamic, extremely responsive, pragmatic and friendly. The service provided is adapted to the needs of an international client and the responsiveness required by the business world.’

Principaux clients

TotalEnergies LNG Services France

Envision AESC

EDF (Électricité de France) ENR


McDonalds France


Spie Batignolles


SNCF / SNCF Réseau /SNCF Mobilités




Volta Inc

Principaux dossiers

  • Represented Total LNG Services France in several disputes in relation to its FSRU project in Le Havre aiming at supplying up to 5% of the French national needs for gas as of Winter 2023/2024.
  • Advised McDonald’s France on a regular basis on environmental law evolutions.
  • Advised L’Oréal on a regular basis on environmental law evolutions, including at the EU level.

Baker McKenzie

Baker McKenzie’s group handles a range of environmental matters, among them waste management, environmental risk management, and environmental audits. A trio of partners leads the practice, comprising: Arnaud Cabanes, who majors on contracts work and industrial site decontamination; public and environmental law specialist Francis Donnat; and Emmanuel Guillaume, who is well-versed in administrative law.

Responsables de la pratique:

Arnaud Cabanes; Francis Donnat; Emmanuel Guillaume

Autres avocats clés:

Pauline Abbouche

Les références

‘Arnaud Cabanes and Pauline Abbouche are responsive and pragmatic.’

Principaux clients

ADP (Aéroports de Paris)

Electricité de France (EDF)

Landis+ Gyr

Schmolz + Bickenbach


Leggett & Platt (Spécitubes)

MSD (Merck Sharp Dohme)



Principaux dossiers

  • Represented Shell before the court of appeal of Versailles in a dispute with Lyondellbasell Holdings France regarding legacy of environmental damage at a refinery chemical plant in Berre, near Marseille.
  • Assisted Ralph Lauren regarding the implementation of several environmental packaging and marketing regulations in France related to AGEC Law of 10 February 2020, including the information on the environmental characteristics of waste generating products.
  • Assisted Weber Stephen regarding the implementation of several environmental packaging and marketing regulations in France related to AGEC Law of 10 February 2020.

BCTG Avocats

The environment team at BCTG Avocats shines above all on renewable energy projects, both on and offshore. The group’s support spans the full life cycle of projects, including permits, environmental assessments, installations monitoring, and waste management. Practice head Paul Elfassi focuses on environmental assessments, which cover protected species, biodiversity, and water quality, as well as regulatory matters and administrative litigation. Nelsie Bergès is another key contact in the group.

Responsables de la pratique:

Paul Elfassi

Autres avocats clés:

Nelsie Bergès

Les références

‘A dynamic, agile and available team.’

‘Paul Elfassi and Nelsie Bergès are available, attentive to their clients and have in-depth knowledge.’

‘Nelsie Bergès solution-oriented and analytical.’

Principaux clients

EDF Renouvelables Group

Total Energies

Port Atlantique La Rochelle


Total Eren



Vsb energies nouvelles


Vinci Environnement

Principaux dossiers

  • Handled five claims brought before the administrative Courts by the Belgian State, the Flemish region, the cities of De Panne and Nieuport, and Ostende Port.
  • Advised Newmont on all administrative procedures for obtaining mining titles and the renewal of these titles.

CMS Francis Lefebvre

The environment group at CMS Francis Lefebvre is regularly instructed by constructors, developers, constructors, banks, and investments funds for its expertise in waste management, circular economy and renewables matters. The team supports clients on transactional, regulatory and contentious matters. Céline Cloché-Dubois steers the practice and specialises in environmental regulatory mandates, and has additional expertise in the real estate space.

Responsables de la pratique:

Céline Cloché-Dubois

Autres avocats clés:

Marc-Etienne Sébire; Anne Plisson

Principaux clients






FUCHS Lubrifiant France


WAGA Energy


Principaux dossiers

  • Advised Siemens Gamesa Renewable Energy on the sale of a 3.9GW portfolio of onshore wind projects worth €580m to SSE Renewables.
  • Advised Waga Energy on the financing of 6 new WagaBOX projects (units that produce biomethane).
  • Advised USLEEP on the negotiation of a commercial lease agreement for its first warehouse in France.

Fairway A.A.R.P.I.

Fairway A.A.R.P.I.’s practice handles both industrial environmental law matters and real estate environmental law matters, ranging from transactional work to advisory mandates involving air and water pollution, natural hazards, and environmental certification. Department lead Juliette Bril routinely assists French and international investment funds with pollution, waste and renewable energies matters.

Responsables de la pratique:

Juliette Bril

Les références

‘The team is perfectly qualified to deal with all matters relating to real estate and environmental law.’

‘Juliette Bril is well-versed in environmental law issues, particularly in relation to ICPE and pollution.’

‘Highly responsive, reliable, knowledgeable, competent and negotiable.’

‘Juliette Bril is an exceptional lawyer. She is pragmatic and instructive, and always has a solution to our ICPE problems. She is a benchmark in environmental law.’

Principaux clients


Siemens SA


Stellantis (former PSA group)

Nidec Leroy Somer



ADIM (Vinci Construction’s affiliate)

Federal Mogul France




Générale du Solaire



Axa real estate

Aviva Investors Real Estate



Cloud HQ

Sixième sens



Primonial Reim

Principaux dossiers

  • Advised VGP NV, a Belgium real estate investment fund, on the acquisition of former industrial sites to develop logistic and industrial activities in Petite Couronne.
  • Advised Realterm on the acquisition of a logistics portfolio of 15 assets, which involved auditing environmental documentation as well as drafting environmental guarantees.
  • Advised Orange on the reorganisation of all its technical premises, which involved negotiating a pollution agreement concerning.

Herald Avocats

The expertise of the environment group at Herald Avocats extends from transactional support, regulatory audits, waste management, land planning mandates, and the management of environmental crises. The practice is directed by William Azan, who regularly assists corporate clients with reducing their environmental impact, and boast additional knowledge of the real estate and renewables segments.

Responsables de la pratique:

William Azan


The environmental and ecological transition team at Kalliopé specialises in the drafting of environmental contracts, real estate transactions and developments, and environmental litigation. The practice is co-led by Jocelyn Duval, who splits his time between Paris and Valence and handles both environmental regulatory matters and disputes; and Lorenzo Balzano, who majors on waste management and the rehabilitation of polluted sites.

Responsables de la pratique:

Lorenzo Balzano; Jocelyn Duval

Les références

‘High availability and responsiveness of the team with excellent expertise.’

‘Lorenzo Balzano is a specialist in his field, always very clear in his explanations.’

‘We appreciate the responsiveness and competence of the team which enlightened us on the regulations, the progress of the stages, the required documentation, the issues, and the risks. The team was easily reachable and responded within a very short time to our questions.’

Principaux clients

Vinci Airports

Foncière Magellan

Communauté D’agglomération Des Portes De L’Isère (CAPI)





Spirit Immobilier

AXA Real Estate Management Investment Managers



Principaux dossiers

  • Assisted CAPI with a legal action relating to an instance of pollution on public domain caused by a truck delivering chemicals products.
  • Assisted Aéroports du Grand Ouest with a recourse launched by the municipality of Saint-Aignan against the environmental authorizations relating to the modernisation of Nantes Airport.
  • Assisted Fonciere Magellan environmental risk assessment relating to the refurbishment of a large property complex.

Latournerie Wolfrom Avocats

Latournerie Wolfrom Avocats’s environmental group handles contaminated industrial sites, waste management, regulatory compliance mandates, crisis management, and litigation. The practice is co-led by Jean Latournerie, who frequently provides clients with advisory and litigation support on environmental risk management issues. Co-leading alongside Latournerie, Pauline Leddet-Troadec, who joined the firm from Foley Hoag in September 2023, majors on environmental litigation.

Responsables de la pratique:

Jean Latournerie; Pauline Leddet-Troadec

Les références

‘Pauline Leddet-Troadec has a particularly high level of skill and expertise in environmental law.’

‘Our experience with Pauline Leddet-Troadec has been exemplary in terms of availability, technical legal quality and advice on the options to be taken. Her interventions are precise, clear and relevant.’

‘Pauline Leddet-Troadec’s contributions are precise, clear and relevant. Her advice is valuable and well-considered.’

Principaux clients







Société du Grand Paris

SNCF Réseau


Principaux dossiers

  • Advised Borealis Chimie, an Austrian chemical company, with all regulatory issues regarding environmental law for its plants located in France.
  • Advised Klepierre, a French company operating shopping centers, on several matters relating to compliance issues and environmental regulation issues.
  • Advised RATP in connection with the project to extend line 14 of the Paris metro, and in particular, the monitoring of a project to build a maintenance and storage site on land on which an “ICPE” (facility classified for environmental protection) was operating.


The practice at PARADIGMES demonstrates particular strength in waste management, as well as handling industrial environmental regulation and environmental taxation matters. Department lead Evguenia Dereviankine is well-versed in waste management, clean-up measures and environmental taxation, and is also noted for her wider environmental, customs and logistics expertise.

Responsables de la pratique:

Evguenia Dereviankine

Seattle Avocats

Noted for its experience in climate litigation, Seattle Avocats advises on mandates concerning private environmental law, including compensation and prevention of environmental damage, social and environmental responsibility and duty of care, and repression of environmental damages. Sebastien Mabile, who acts for local authorities and NGOs in high-stakes environmental cases, jointly leads the team alongside François de Cambiaire and Emmanuel Tordjman.

Responsables de la pratique:

Sébastien Mabile; François de Cambiare; Emmanuel Tordjman

Principaux clients

Rouen Normandie Metropole

Ligue pour la protection des oiseaux

Calanques National Park

French Office for Biodiversity

National Forests Office

Port-Cros National Park

Amazonian national park of French Guyana

France Nature Environnement (NGO)

Société du Gouffre de Padirac

Coopérative Agricole de Lorraine

Surfrider Foundation Europe

Client Earth

Indigenous People Representatives Organizations of Brasilian and Colombian Amazon

Mighy Earth

New York City

Office of the Environment of Corsica

Veolia Eau

Principaux dossiers

  • Representing a coalition of 3 French (Surfrider Foundation Europe & Zero Waste France) and English (Client Earth) associations in the first trial on plastic pollution in Europe.
  • Representing the associations Les Amis de la Terre France, Oxfam France and Notre Affaire à Tous in a legal action against BNP Paribas for failure to comply with its duty of care due to its financing and investment activities that support the development of fossil fuels.

Soulier Avocats

The practice at Soulier Avocats is frequently retained by domestic and international corporations seeking support with French and EU environmental requirements, the sale, transport and distribution of hazardous products, and waste management issues. The group demonstrates particular strength in the chemical and pharmaceuticals spaces. Seasoned partner Jean-Luc Soulier leads the team; Laure Marolleau is an additional key contact.

Responsables de la pratique:

Jean-Luc Soulier

Autres avocats clés:

Laure Marolleau