Welcome Infidelity Investigators specialise in a variety of Private Investigative Services for both individuals and companies. We makes use of the latest, up to date equipment. We assist in domestic cases such as infidelity or partners. Infidelity Investigators uses cell software to get you the answers you need. Call for details. Infidelity Investigators is based in Pretoria with satellite offices all over South Africa. We have offices across Gauteng, Cape Town and Durban.