Douglas Proulx founded Proulx Professional Research Inc. in March of 1989. He brings 30 years of experience to the field of insurance claims, products liability, and business/employer investigations.

Proulx is licensed in Wisconsin, Illinois, Minnesota and Iowa employing full-time, licensed and insured investigators, all dedicated, and proficient in their specific areas of investigation

Proulx's emphasis is on professionalism, customer service, and fair and reasonable pricing.

Proulx has built a solid foundation with satisfied customers and has grown steadily through word of mouth.

Our organization would enjoy the opportunity of earning your business by providing concise investigative information, customer service and flexible, fair pricing

Coverage throughout the midwest through strategically located offices.


▪ Professional Association of Wisconsin Licensed Investigators - Former Board Member
▪ National Council of Investigative and Security Services

Milwaukee Insurance Adjusters Association
▪ Central Wisconsin Claims Association 
▪ Fox Valley Adjusting  Association
▪ Wisconsin Manufacturers & Commerce


Proulx Professional Research in Wisconsin, Iowa, Minnesota, and Illinois.