Keidos
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Keidos is a women-led firm that stands out for combining corporate expertise with ESG, sustainability, and impact-focused advice. The team assists clients with business structuring, governance, contract negotiation, and regulatory compliance, and has particular strength in sustainable procurement, ESG reporting, impact financing, and regulatory innovation. Co-founders Constanza Connolly and Agostina Coniglio bring complementary expertise: Connolly has more than 20 years’ experience in corporate transactions and sustainable finance regulation, while Coniglio focuses on sustainable supply chains, outcome-based contracts, and business and human rights. Clients include mission-driven businesses, multilateral organisations, financial institutions, and public sector bodies across Latin America and beyond.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'In my experience working with Keidos, I can confidently say that they are unique in their ability to combine legal expertise with a deep commitment to social and environmental impact. Keidos operates with a clear global purpose and a values-driven approach.'
- 'Keidos has a very experienced team, particularly in the sustainability and impact areas. They are driven by passion and proactivity.'
Key clients
- Avina Foundation
- Ashoka


