The core activity of Invell AG is the conduct of investigations, research and surveillance for insurance companies, businesses, authorities and lawyers. This includes, in particular: * Person surveillance and environmental investigations * Research in cases of fraud and suspected unfair competition * Monitoring of field staff and compliance with non-compete clauses * Audio and video surveillance * UWG investigations (Law against Unfair Competition) * Threat and risk analysis as well as coordination with authorities in cases of threats/extortion * IT forensics and data analysis * Asset/income investigations for benefit recipients * Residence investigations and address and residence searches Invell AG thus offers detective and investigation services to collect admissible evidence and support clients in clarifying suspected cases.