Group One Investigations is a well-established private investigator agency with more than 20 years of intelligence and surveillance experience. We believe that you deserve to know the truth of a situation and that the best decisions are made when a person possesses the full range of information available to them. We aren’t just in the intelligence game, we’re in the truth game. To that end, we have a robust selection of specialised services available to our clients, including basic activity reports, exposing spousal infidelity, conducting background checks for both corporate and private clients, due diligence, finding missing persons, covert surveillance operations, corporate issues, identifying security weaknesses, performing bug sweeps, identity theft, the sale of security equipment, and more specialist services.