Masterchek Inc

From its base in Nashville, Tennessee, Masterchek Inc provides private investigation services headed by surveillance investigations. The firm advertises a full-service practice in which that specialty is complemented by related investigative work for legal, business and private clients.

Its published services include surveillance, workers' compensation investigations, background checks and corporate investigations. Each assignment is handled with documented reporting so that clients can rely on the results in negotiations, claims handling or litigation.

The firm works mainly with insurance carriers, claims professionals, attorneys and businesses that need surveillance investigations handled discreetly and documented to an evidentiary standard.