At a Glance: Nigro Karlin & Segal is a Certified Public Accounting firm located in Century City in Los Angeles. Established in 1981, they are one of the premier accounting firms in Southern California. We are experts in Forensic Audits, Participation and Royalty Audits, Payroll Compliance audits for multi-employer Taft Hartley Trust Funds, and other audits related to the entertainment industry.