OEIS is a Full-Service Private Investigation and Surveillance Firm, with contacts located in Canada, USA, Europe & Middle East. We provide Professional Investigating services, VIP Security Services business security, securities for Corporations and Private Individuals, situated in Canada, Ontario.

As a leading detective cum private investigation corporation, we are recognized Ontario business as a proven leader capable of offering the highest Ontario security services. These private investigator services cum Vip security services in Niagara falls. If you are hunting for a private investigator in Niagara Falls Toronto, Mississauga, the Golden Horseshoe,USA, Europe, or the Middle East, we are here to serve and honor.

We provide quality investigative services and solutions through innovative and cost effective methods that are tailored to meet the specific needs of our clients. We offer a wide range of investigative services for families, individuals, legal professionals and insurance companies: Surveillance / Monitor Activities, Information / Background Searches, Internal Investigations,GPS Monitoring, Spot Checks, Infidelity, Family / Custody, OSINT or Information / Background Searches, Locates, Asset/Property Searches, Process Serving, Statements, Video, Pictures and bear witness.