A&O Shearman
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A&O Shearman, the result of the headline merger between Allen & Overy and Shearman & Sterling in 2024, has a well-established Latin America capital markets practice, principally from the legacy Shearman team. The Latin America group has an excellent record in debt offerings across the region, including Brazil, Chile, Mexico, Peru, Panama, Argentina, Uruguay, Guatemala and Colombia. It remains at the forefront of representing underwriters in sovereign bond offerings for multiple Latin American states. It is also noted for ESG-related deals, including sustainability-linked debt offerings, blue bonds and debt-for-nature swaps. Alejandro Gordano has made a significant impression in the market, advising major clients such as Ecopetrol on headline offerings; he has also emerged as a leading name in sustainability-linked bonds, including advising on the first international sustainability-linked bond out of Peru. Manuel Orillac is another senior name in the team. All named individuals are based in New York. David Flechner left the firm in July 2024 and of counsel Antonia Stolper retired in 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘In our case, we have a long-standing relationship with Antonia Stolper and Alejandro Gordano, and their professional quality is excellent. Their willingness and availability to respond to our queries, as well as the quality of their responses, set them apart from other law firms.'
- ‘A&O Shearman has a great team of professionals with great flexibility in situations where there are difficult deadlines to meet and complexity in certain topics.’
Key clients
- Banco Internacional del Perú
- Ecopetrol
Work highlights
Advised Ecopetrol in connection with its SEC-registered offering of $1.75bn notes.


