Aaron A. O’Brien, Esq. is the Founder and Managing Partner of O’BRIEN LAW, a boutique law firm based in Cleveland, Ohio, known for its modern approach to legal strategy and deep commitment to client service. With a career that began at one of the nation’s top-tier firms, Aaron brings big-firm experience to a practice intentionally built for agility, personal connection, and results.

Aaron’s legal work spans a broad range of industries, advising clients from startup founders and creatives to middle-market and public companies. His practice covers everything from corporate governance and capital raises to M&A, intellectual property, and entertainment law. A skilled negotiator and forward-thinking strategist, he is sought after not only for his legal insight, but for his ability to navigate the nuance of growth, risk, and opportunity in an evolving marketplace.

Since founding O’BRIEN LAW in 2019, Aaron has grown the firm with a focus on intentional service, long-term relationships, and a future-facing mindset. His clients view him not just as legal counsel, but as a trusted partner at the table.