Ace Investigations

Welcome to Ace Investigations, a full-service, licensed private investigative agency based in Columbus, Ohio, with a passion for solving mysteries and finding answers for its clients. No matter how small or large your problem, we are here to help.

Ace Investigations is headed by Martin Yant, whose investigations and books have gained national and international attention for 30 years. Ace investigator Diana Rankin complements Mr. Yant’s extensive knowledge of the inner workings of government and the criminal-justice system with her executive experience in business and higher education.

Ace provides a broad range of discreet investigative services for the general public, corporations and the legal profession. We successfully provide our clients with accurate information in a prompt and professional manner.

We believe knowledge is power. So we use a combination of sophisticated investigative databases and old-fashioned shoe leather to get the information our clients need to make informed decisions or to right wrongs.

We pride ourselves in providing answers, so please contact us if you have questions.