Sidley Austin LLP has significantly expanded its presence in Miami, reflecting the city’s growing importance as a hub for legal services. Since opening its Miami office in 2022, the firm has grown to over 50 lawyers serving approximately 700 clients on nearly 1,400 matters. This expansion underscores Sidley’s commitment to the South Florida market and its strategic vision for growth in the region.
In November 2025, Sidley moved into a new 60,000 square-foot office spanning three floors at 830 Brickell Plaza, a prominent commercial tower in Miami’s Financial District. This state-of-the-art space is designed to support the firm’s growth and enhance collaboration and client service. Key features include a South Florida-inspired design by award-winning architectural designer Gigi Alvarez and a state-of-the-art boardroom equipped with advanced presentation and connectivity technology. ([sidley.com](https://www.sidley.com/en/newslanding/newpressreleases/2025/11/sidley-continues-to-grow-in-miami-moving-to-new-60000-sf-state-of-the-art-office-at-830-brickell?utm_source=openai))
Sidley’s Miami office offers a comprehensive range of legal services, including complex commercial litigation, regulatory and enforcement matters, global finance, and real estate transactions. The firm’s lawyers have deep experience across various industries, such as private equity, infrastructure, healthcare, sports and entertainment, manufacturing, cyber, corporate, tech, hospitality, insurance, financial institutions, blockchain, and cryptocurrency. ([sidley.com](https://www.sidley.com/en/locations/offices/miami?utm_source=openai))
Beyond its legal work, Sidley is actively engaged in the South Florida community. Partners serve on boards and committees of local organizations, including the University of Miami, Beacon Council, Orange Bowl Committee, Zoo Miami Foundation, Miami Children’s Museum, Greater Miami Jewish Federation, the Adrienne Arsht Center, Perez Art Museum Miami, and Legal Services of Greater Miami. In June 2024, the firm partnered with KABOOM! to build a new play area at the Miami Children’s Museum, providing children with a safe space to enjoy the benefits of play. ([sidley.com](https://www.sidley.com/en/newslanding/newpressreleases/2025/11/sidley-continues-to-grow-in-miami-moving-to-new-60000-sf-state-of-the-art-office-at-830-brickell?utm_source=openai))
Sidley’s rapid growth and commitment to the South Florida community have been recognized by Law360, which named the firm a “Florida Powerhouse” in September 2025. This accolade reflects Sidley’s leading presence in Florida as an advisor to clients on matters of national significance. ([sidley.com](https://www.sidley.com/en/newslanding/newsachievements/2025/09/sidley-named-a-florida-powerhouse-by-law360?utm_source=openai))
Under the leadership of Yvette Ostolaza, Sidley’s Management Committee Chair and a Miami native, the firm continues to invest in the region. Ostolaza, the first woman and first Hispanic person to lead one of the world’s top 20 global law firms, has been instrumental in driving the firm’s growth and commitment to diversity and inclusion. ([elpais.com](https://elpais.com/economia/negocios/2025-12-07/yvette-ostolaza-sidley-austin-habra-una-mayor-consolidacion-de-despachos-a-nivel-global.html?utm_source=openai))
Sidley Austin’s strategic expansion in Miami positions the firm to better serve its clients in South Florida, Latin America, and beyond, while contributing meaningfully to the local community.