Forward Firms

Introducing Forward Firms 2026

Based on detailed firm submissions and Forward Law Review's own reporting, Forward Firms profiles 30 leading sustainability law practices and examines what their work reveals about the direction of the global sustainability legal market.

What makes a leading sustainability practice?

From private capital and climate disputes to supply chains and energy transition, the survey reveals a sustainability market shaped by multiple paths to success rather than a single model.

Bird & Bird

Bird & Bird handles a significant range of EU sustainability regulation and enforcement matters – including advising TAP Air Portugal in a Europe-wide green claims investigation and insurer Allianz Group on embedding ESG measures across its operations.

Debevoise & Plimpton

An international firm with a sophisticated sustainability practice spanning private capital, financial regulation, business and human rights and climate-related disputes.

Eversheds Sutherland

A substantial, deeply integrated practice advising on sustainability issues across regulation, disputes and major projects, with particular strength in complex cross-border mandates.

Kirkland & Ellis

A global firm with a substantial dedicated sustainability team advising some of the world’s largest private equity houses and major corporates on transactions, disclosure and risk.

Linklaters

A major international sustainability team advising global financial institutions and multinational companies on disclosure, supply chains, sustainable finance and ESG-related disputes across Europe, the US and Asia.

A&O Shearman

A global firm with long-standing environmental and climate law credentials, notably active in carbon markets, transition finance and cross-border sustainability regulation.

Arendt & Medernach

A Luxembourg firm at the centre of EU sustainable finance regulation, advising asset managers and financial institutions on disclosure, fund structuring and compliance, with a growing focus on corporate sustainability.

Ashurst

An international firm with broad capability across energy transition projects, sustainable finance and sustainability disputes, supported by a significant risk advisory and operational compliance offering.

Macfarlanes

The UK firm’s ESG practice focuses on the full lifecycle of private funds, with work centred on disclosure, investor negotiations and regulatory change.

Freshfields

A leading international practice with significant strength in litigation and regulatory work, as well as advising on complex transactions and cross-border risk.

Gorrissen Federspiel

The leading Danish firm combines regulatory ESG work with a leading energy and infrastructure practice, advising on carbon capture, Power-to-X and maritime decarbonisation.

Lenz & Staehelin

Top-tier Swiss firm with a dedicated sustainability practice advising listed companies, financial institutions and public-sector clients on governance, disclosure and investigations.

Paul Hastings

A top-level transaction-focused ESG practice advising private capital sponsors on major acquisitions and fund launches, with a strong track record in energy transition and impact strategies.

Ropes & Gray

A seasoned ESG practice with a strong contentious edge, advising corporates and asset managers around the world on regulation, investigations and complex cross-border compliance.

Russell McVeagh

New Zealand firm with notable strength in climate disclosure, renewable energy and sustainability-related governance, advising major corporates, financial institutions and energy sector participants on the country’s transition framework.

Vinson & Elkins

A prominent US firm with a governance and sustainability practice focused on shareholder activism, disclosure risk, sustainable finance and climate-related regulatory developments.

White & Case

With the addition of several leading names over the past few years, White & Case fields a substantial global practice with real depth across transactions, regulation and disputes.

DLA Piper

A leading international firm whose sustainability practice combines environmental disputes, regulatory investigations and cross-border compliance advisory work.

Hengeler Mueller

Leading German firm with a strong corporate and finance pedigree, advising major industrial and financial institutions on governance, sustainable finance and energy transition matters under evolving EU regulation.

Hogan Lovells

The firm’s climate, sustainability and ESG practice is truly global in scope, advising corporates, financial institutions and governments on complex cross-border risk, with strength in disputes, regulation and energy transition.

Legance

Top tier Italian firm with a focused sustainability practice advising on EU regulatory compliance, governance and sustainable investment structures.

McMillan

A leading Canadian firm with particular strength in climate disclosure, transition financing and Indigenous participation in infrastructure and energy projects.

MinterEllison

MinterEllison advises government and industry on the legal and regulatory architecture underpinning Australia’s transition to a lower carbon economy, together with the projects and disputes that follow from it.

Osborne Clarke

An international firm known for its technology and digital focus, with notable strength in EU product regulation, supply chains and sustainable finance – particularly for consumer and technology businesses.

Tauil & Chequer Advogados in association with Mayer Brown

A Brazilian firm with a strong contentious and regulatory environmental practice, advising on high-stakes litigation, licensing and climate matters across energy, infrastructure and natural resources.

Bell Gully

A prominent New Zealand firm with a sustainability practice spanning carbon markets, climate disclosure, climate litigation and major energy transition projects.

Matheson

A prominent Irish firm with a substantial sustainability practice shaped by renewable energy, environmental disputes and multinational reporting work.

Noerr

Eminent German firm with deep roots in the country’s industrial and energy sectors, advising on transition projects, product regulation and climate-related disputes.

Bomchil

A leading Argentine firm with a growing sustainability practice spanning financing, governance and regulatory work across energy, natural resources and cross-border transactions.