
About Us
Collaboration, Equity, Impact
We represent an institutional vision that embodies collaboration, equity, and the strength of all our team members
Who We Are
COSRO
A multisectoral and multidisciplinary law firm driven by the responsibility and commitment to help our clients create a lasting and positive impact across the societies and communities in which they operate
We are a team of over 50 cross-sector and multidisciplinary professionals, each bringing unique expertise and insights to the table
We bring decades of professional experience amassed at some of the largest full-service law firms in Brazil and around the globe
We unite diverse perspectives on a global scale, creating a rich tapestry of insights that drive innovation and informed decision-making
Our shared visions converge around a common goal: to deliver exceptional value to our clients while providing outstanding services. We work collaboratively and tirelessly to promote sustainable development, diversity, equity, and inclusion, embodying our commitment to making a meaningful difference in every relationship we cultivate
A collaborative approach
Cross-sector and multidisciplinary structure
We know the particularities of each segment of the economy
We operate across all key strategic practice areas, enabling a comprehensive industry-focused approach
Environmental, Litigation and Arbitration, Government Contracting, Commercial Contracts, EGVC, Project Finance, Corporate Integrity and Digital Transformation, Real Estate Transactions, Regulatory and Public Policies, Government Affairs, Corporate/M&A, Sustainability, Labor and Tax

12 industry sectors form the core of our business
No geographic boundaries
We operate in an integrated manner, whether based in Rio de Janeiro, São Paulo, Brasília, New York, Rome, Madrid, Singapore, or Shanghai, with a culture that values and strengthens the diversity of our team’s backgrounds, knowledge, and skills
Entrepreneurial approach that enhances commitment and expertise
Our multi-sector and multidisciplinary work structure allows our professionals to choose the sectors and practice areas in which they wish to operate from a legal-economic perspective
Commitment and expertise
Better results for our clients, in line with the best practices of the industries in which they operate
A team without borders

We are Legal AI-powered
We are Legal AI-powered, blending our extensive experience with cutting-edge innovation. We use advanced technology in all our processes, embracing an increasingly efficient present towards a future that already demands rapid adaptability
Diversity, Equity & Inclusion
Diversity, Equity, and Inclusion (DEI) are core values that underpin our firm and guide our professionals
We embody the principles of Diversity, Equity, and Inclusion beyond race, gender, age, ethnicity, sexual orientation, religion, and political affiliation
We actively value and promote a variety of work styles, career trajectories, and both professional and life experiences
At the heart of our commitment to DEI is a dedicated committee that effectively implements strategies for the recruitment, retention, and advancement of diverse professionals
We are committed to social responsibility and pro bono
We are committed to making a difference in the communities where we live and work. Our commitment to social responsibility includes providing free legal services to the third sector and to collaborative, non-profit projects with and for our clients, improving the lives of those they reach and of their communities. We work on pro bono matters with the same dedication, recognition and reward we devote to our clients, ensuring that all of our professionals take part in projects that celebrate their interests and skills.
Empowerment and Professional Development
Our commitment to the professional development of the people who make up COSRO is non-negotiable. We believe in building long-term relationships based on ethics, efficiency, collaboration and excellence. We offer mentoring and leadership programs and partnerships with external organizations to foster education and growth. Our leaders recognize the value of these initiatives, which are essential to advancing opportunities for young professionals.
Sustainability in practice
In alignment with our commitment to sustainability, as demonstrated by our adherence to the United Nations Global Compact, we are dedicated to reducing our carbon footprint while fostering a work environment that is sustainable, healthy, and innovative. We recognize our responsibility to minimize our environmental impact and take pride in operating office spaces that prioritize sustainability and respect for the environment, and showcase leading eco-friendly initiatives
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