Private Detective Perth
24x7 Private Investigator Service
Licence ID number IA 22115



Ph: 08 9378 2335
Mob: 0417 901 354
Fax:08 9378 2335


251 Stirling Street, Perth WA 6000

PO Box 8081
Perth Business Centre WA 6000

Our Private Investigator Licence Number is 1A22115

Alpha Investigation Services provides professional private investigation services in surveillance, infidelity, internet scams, background checks, missing persons, sexual abuse, computer fraud and more.

Polygraph Services

This test is also most commonly referred to as a lie detector test and is used in many cases to determine if the person is lying. They will be asked a number of questions by a qualified polygraph examiner during the interview. This service is offered through Alpha Investigation Services and referred to our professional Polygraph Testing team.

corporate surveillance