Ecological transition – Sustainable development
A Committed practice, shaped by over a decade of tangible action
A pioneer in ESG matters and a signatory of the United Nations Global Compact since 2012, the Firm supports companies and organisations that choose to place sustainability at the heart of their growth and transformation strategies.
We systematically integrate environmental, social and governance (ESG) considerations into operations, governance and contractual frameworks, with recognised expertise in applying international standards (ISO 26000, GRI, SDGs, OECD and EU frameworks). Our work combines the structuring of commitments, compliance mechanisms and high-level CSR certifications processes.
Our services span strategic advice, operational support and tailored implementation, notably through the ClHub by MMLAW, an innovative programme dedicated to transition and sustainable innovation projects, supported by a multidisciplinary ecosystem of experts and international partners.
Every mandate blends legal rigour, refined contractual execution and a forward-looking reading of the transformations underway, delivering solutions that are robust, actionable and built to last.
Our Practice Areas
Decarbonised industries
We support industrial actors and investors seeking to make the energy transition a driver of competitiveness.
- Legal structuring of industrial projects with positive environmental impact
- Specialist advice on energy, circular economy and low-carbon technologies
- Securing M&A and restructuring operations by integrating climate and sustainability objectives
CSR
We help turn CSR commitments into tangible levers of governance and performance.
- Legal structuring of CSR commitments and integration into corporate governance
- Drafting and updating charters, codes of conduct and internal policies
- Embedding CSR commitments into operations and transactional documentation
- Advising executive and legal teams on integrating ESG factors into business strategy
- Supporting stakeholder engagement and societal expectation management
Certification & International Standards
We prepare and secure compliance and certification processes aligned with the world’s most demanding standards, offering a distinctive geopolitical and strategic perspective at the intersection of law, ESG and sustainable transformation.
- Identification of the most relevant frameworks (ISO, GRI, CSRD, SDGs, etc.)
- Pre-assessment audits of internal practices and documentation
- Integration of corporate purpose into articles of association and governance frameworks
- Legal structuring of commitments ahead of CSR/ESG certification
- Preparation for assessments and post-certification support to maintain a high level of compliance
The ClHub by MMLAW: Supporting Impact-Driven Projects
Created in 2016 by our partner Valérie Bensoussan, an expert in M&A and private equity, the ClHub by MMLAW is a unique, tailor-made programme designed to support innovative projects and companies engaged in ecological transition and sustainable development.
We understand that impact-driven projects need more than legal advice: they need a strategic partner capable of securing their growth and strenghening their credibility with investors, clients and stakeholders.
What ClHub members receive
- Tailored legal support at each stage of development: structuring, governance, fundraising, strategic partnerships, intellectual property
- Privileged access to our network of specialists (lawyers, tax advisors, IP/IT experts, accountants) and our international ABL partners
- Mentoring and coaching sessions addressing strategic, operational and legal dimensions
- A flexible support model: pro bono assistance or preferential terms depending on the company’s maturity, impact and growth potential
Who is it for?
- Early-stage entrepreneurs with innovative and responsible projects
- SME and mid-cap leaders undergoing transformation
- Projects in future-facing sectors: renewable energy, circular economy, low-carbon technologies, sustainable health, and more.
The ClHub by MMLAW has already supported several French industrial success stories, helping shape their projects, secure their fundraising and accelerate their sustainable growth.
Our Rankings
Green Ambassador
Legal 500 – Green Ambassadors Europe 2025
Our News

Valérie Bensoussan recognised in Legal 500’s Green Ambassadors Europe 2025 Ranking
Valérie Bensoussan, Partner in Corporate – M&A – Private Equity / Finance, has been recognised in the Green Ambassadors Europe