The Serious Fraud Investigation Office (SFIO) is a specialized corporate fraud investigation agency operating under the Ministry of Corporate Affairs (MCA), Government of India. Established in 2003, SFIO is responsible for investigating complex financial frauds, corporate misconduct, accounting irregularities, financial scams, and violations of corporate laws that have significant public interest implications.

Headquartered in New Delhi, SFIO functions as a multidisciplinary organization comprising experts from fields such as finance, law, banking, taxation, capital markets, accountancy, information technology, forensic auditing, and investigation. The office conducts detailed investigations into serious corporate fraud cases referred by the Central Government under the Companies Act, 2013.

SFIO plays a crucial role in strengthening corporate governance, ensuring transparency, protecting investor interests, and maintaining the integrity of India's financial and business ecosystem. The organization provides a highly professional and challenging work environment for legal professionals, chartered accountants, financial analysts, forensic auditors, investigators, IT specialists, and administrative personnel.