Sergey Mangayan

Sergey Mangayan is an Ohio-based attorney and certified public accountant who provides clear, results-driven legal services to individuals, families, and businesses across the state. Through the Law Office of Sergey Mangayan, LLC, he focuses on delivering practical guidance in complex legal matters involving tax law, immigration law, business formation, compliance, and divorce. His practice is built around accessibility, efficiency, and personalized attention, ensuring clients understand their options and can make informed decisions with confidence.

Mr. Mangayan earned his J.D. in Business and Tax Law from Capital University. He also completed a B.S. in Financial Management with concentrations in Accounting and Finance from Franklin University, graduating summa cum laude. In addition, he earned a B.S. in Business Administration with a focus on Management from Pyatigorsk State Linguistic University, graduating with honors. This strong academic foundation supports his ability to analyze legal and financial issues together.

Mr. Mangayan has represented clients in matters that require both legal knowledge and financial insight since founding his law firm in 2018. He regularly assists individuals and business owners with tax planning, business structuring, and immigration-related filings. His background allows him to identify risks early, streamline processes, and help clients avoid costly mistakes while pursuing long-term stability.

Mr. Mangayan brings more than a decade of CPA experience through MSV Accounting LLC, which he established in 2012, and through his legal practice. He has helped hundreds of clients nationwide with taxation, payroll, and advisory services. This dual qualification enables him to offer integrated solutions that align legal strategy with financial realities. Clients benefit from clear communication, efficient problem-solving, and guidance designed to achieve meaningful, compliant outcomes.

Sergey Mangayan is admitted to practice before the Supreme Court of Ohio, the U.S. District Court for the Southern District of Ohio, and the U.S. Tax Court. He applies a structured, detail-oriented approach to every matter, helping clients move forward efficiently while meeting legal and regulatory requirements with confidence and clarity.

Law Office Affiliations

• Founder, Law Office of Sergey Mangayan, LLC
• Member, Ohio State Bar Association

Licensed State

• Ohio

Education

• Capital University Law School
  Juris Doctor (JD)
• Franklin University
  Bachelor of Science (BS)

Awards & Badges