FactSet Research Systems Inc., trading as FactSet, is an American financial data and software company headquartered in Norwalk, Connecticut, United States. The company provides integrated data and software. For fiscal year 2023, FactSet's total ASV and professional services revenues were $2.09 billion. FactSet's total market value is approximately $18 billion. FactSet provides client support & learning, implementation services, business advisory, data delivery, index services, portfolio data management, and transition services. FactSet's competitors include Bloomberg L.P., Refinitiv, and S&P Global. Wikipedia