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14 Years
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Emergency
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Trusted Private Investigators in Perth, WA
BPI Perth is a discreet and professional private investigation firm established in 2012, specialising in bug sweeping, missing persons investigations, and spousal infidelity cases. Our principal investigator, James Milligan, brings over two decades of law enforcement experience, including roles as a detective sergeant and senior financial sector executive, alongside industry-accredited qualifications in technical surveillance counter-measures. We utilise advanced technology, including spectrum analysers and non-linear junction detectors, to deliver reliable results for both private and corporate clients across Western Australia.

Our services prioritise client confidentiality, affordability, and transparency, with a focus on resolving complex cases through proven methodologies and ethical practices. With expertise in tracking debtors, locating missing individuals, and detecting electronic surveillance devices, we provide tailored solutions to meet diverse investigative needs while maintaining strict adherence to professional standards.
Services
Private Investigation Bug Sweeping Missing Persons Cheating Partner Investigations Vehicle Tracking
Details
  • Year established: 2012
Highlights and features
  • We offer over 20 years of combined investigative experience from our lead professionals
  • Our team utilises advanced detection equipment including 26.5 GHz spectrum analysers
  • Industry-accredited qualifications in Technical Surveillance Counter-Measures
  • We provide 24/7 emergency response for urgent investigation needs
  • Our investigations maintain strict client confidentiality and ethical standards
Associations and certifications
  • Vanquish UK
  • Edith Cowan University
  • University of Western Australia
What people say
Highly professional Discreet handling Advanced technology Reliable results Expert staff
Services
Private Investigation
BPI Perth provides comprehensive private investigation services including surveillance operations, fraud investigations, and background checks. Our team combines law enforcement expertise with cutting-edge technology to deliver actionable intelligence for both personal and corporate clients. With over two decades of experience, we specialise in resolving complex cases while maintaining strict confidentiality and adhering to legal standards.
Bug Sweeping
Our industry-accredited bug sweeping service detects hidden listening devices, covert cameras, and tracking equipment using advanced spectrum analysers and non-linear junction detectors. Capable of identifying devices operating up to 26.5 GHz, we conduct thorough inspections of residential, commercial, and vehicle environments to protect client privacy and corporate security.
Missing Persons
Specialising in locating missing individuals, we employ both traditional investigative techniques and digital forensics to re-establish contact. Our services assist families seeking lost relatives, legal professionals requiring witness testimony, and businesses tracking debtors, with a success rate built on extensive database access and investigative experience.
Cheating Partner Investigations
BPI Perth offers discreet spousal infidelity investigations using covert surveillance and digital monitoring. Our investigators document evidence of unfaithfulness while maintaining ethical standards and legal compliance, providing clients with conclusive documentation to make informed decisions about their relationships.
Vehicle Tracking
We detect and remove unauthorised tracking devices from vehicles using specialised equipment capable of identifying GPS trackers and Bluetooth-enabled monitoring systems. Our service includes forensic analysis of recovered devices to determine data transmission patterns and potential perpetrators.
People
James Milligan
Principal Investigator
Former police detective sergeant with 22 years' law enforcement experience, including roles in organised crime investigation and internal affairs. Holds a Masters in Criminal Justice and industry-accredited TSCM qualifications, specialising in technical surveillance counter-measures.
Questions
What private investigation services do you offer in Perth?
We provide bug sweeping, missing persons investigations, spousal infidelity surveillance, vehicle tracking, and corporate fraud investigations using advanced technology and law enforcement expertise.
How does your bug sweeping technology work?
Our equipment detects radio frequencies up to 26.5 GHz, identifies hidden circuits through walls, and uses thermal imaging to locate surveillance devices in homes, offices, and vehicles.
Can you guarantee client confidentiality?
Yes, we maintain strict confidentiality protocols with secure communication channels and non-disclosure agreements for all sensitive investigations.
How quickly can you respond to urgent cases?
We offer emergency response for critical situations, typically deploying within 24 hours for urgent bug sweeping or surveillance requirements.
What qualifications do your investigators hold?
Our team includes industry-accredited TSCM specialists with university qualifications in security science and criminal justice, plus decades of law enforcement experience.
Do you work with corporate clients?
Yes, we provide technical surveillance counter-measures and fraud investigations for corporations, including top-tier resource companies and high-net-worth individuals.
Reviews (7)
Mal Haley
Aug 09, 2021 Report
Positive:Professionalism
Jim gave me consise information. Very happy with his professionalism. Will buy you a beer when I get to town!
Lily Pattinson
Jul 15, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
BPI Perth conducted a bug sweep of my business home and car. The problem was resolved.The service provided was professional discreet and affordable. Highly recommended.
Pauline Marino
Jun 11, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
My mother and I found Mr Milligans work super professional, accurate and thorough. We would highly recommended him for anyone who needs this type of work. Thank again James :)
Michael Tomic
May 05, 2021 Report
Positive:Professionalism,Quality,Responsiveness,Value
So professional in every aspect, was a pleasure dealing with a company who are true to there values. Highly recommend James without any hesitation what so ever. Thank you once again.
R. C.
Nov 17, 2020 Report
Although I decided against using a private investigator, Jim was very upfront and honest which I appreciated. He genuinely wanted to help me and gave me some very sound advice. I'd highly recommend him and will certainly be contacting him again if I am ever seeking the services of a P.I. Thanks Jim, you helped me more than I think you realise.
Alan Short
Jan 28, 2020 Report
Thanks for all the help and at a very good rate to.very friendly and easy to talk to and work with, can highly recommend them. Would happily use your services again if need be.
Kristie Warren
Sep 11, 2019 Report
Dealing with Jim from Budget Private Investigators has been such an easy process with open communication and a very positive result. 10/10 would recommend them to everyone