About us
About us
Founded by Michel Asseff Filho, Asseff Advogados brings together the tradition of one of the most respected names in Brazilian law with the contemporary vision and dynamism of a multidisciplinary team dedicated to building efficient, strategic legal solutions aligned with its clients’ goals.
The firm works in an integrated way, with professionals specialized in different areas of law who collaborate closely, combining technical rigor, an understanding of context and negotiating sensitivity to tackle complex legal challenges with precision and certainty.
Headquartered in Rio de Janeiro, with a presence in São Paulo and Lisbon, Asseff Advogados offers full legal counsel in Brazil and abroad, supporting transactions, projects and disputes that call for coordinated action, a global outlook and in-depth knowledge of the regulatory environment.
Its practice serves clients across many sectors of the economy, such as construction, mining, food and pharmaceutical industries, marketing, asset management, environment, sports, media and entertainment, transportation and infrastructure, among others. In addition to companies, the firm also represents individuals in highly complex disputes, including shareholder conflicts, estate matters and probate proceedings.
Recognition
The firm and its professionals are widely recognized for their technical excellence and the consistency of their work, regularly featuring in the rankings of the leading international legal publications, such as Chambers and Partners, Leaders League and Legal 500, among others.
Sustainability is no longer a peripheral topic: it has become central to business, regulatory and investment decisions. Mindful of this landscape, Asseff Advogados advises clients on the legal structuring of projects and transactions involving the energy transition, the low-carbon economy, the circular economy and regulatory innovation.
The firm acts strategically on matters related to carbon credits, environmental assets, regulated and voluntary markets, climate governance and impact-driven business models, always focusing on legal certainty, economic viability and regulatory compliance.
This work reflects the commitment of Asseff Advogados to supporting initiatives that reconcile development, innovation and social and environmental responsibility, closely following the evolution of legal frameworks, public policies and international best practices.