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24 Years
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Trusted Private Investigators in Sydney | SydneyPI
Established in 2002, SydneyPI has built a reputation as a trusted provider of discreet and professional private investigation services across Australia. Our team of licensed operatives specialises in surveillance, background checks, and evidence gathering, utilising advanced technology to deliver accurate results. We operate 24/7, ensuring rapid response times and maintaining strict confidentiality for sensitive cases. As members of the Australian Institute of Private Detectives and the Institute of Mercantile Agents, we adhere to rigorous ethical standards.

Our services extend beyond investigations to include state-of-the-art spy equipment, empowering clients to address personal and professional concerns with confidence. With a focus on affordability and professionalism, we provide tailored solutions for matters ranging from infidelity to corporate investigations.
Services
Surveillance Background Checks Bug Sweeping Phone Number Searches Locate a Person Spy Equipment Sales Corporate Investigations Child Custody Cases Infidelity Investigations Digital Forensics
Details
  • Year established: 2002
Highlights and features
  • Our team operates 24/7 for urgent investigation needs.
  • Licensed operatives with expertise in surveillance and evidence gathering.
  • Affordable pricing without compromising on quality or discretion.
  • Strict adherence to ethical standards and client confidentiality.
  • Comprehensive services including spy equipment and technical surveillance.
Associations and certifications
  • Australian Institute of Private Detectives
  • Institute of Mercantile Agents
What people say
Genuinely shows discretion Amazing and really do find everything Money well spent Guided me through it all Dignity and respect
Services
Surveillance
Our surveillance services utilise advanced techniques to monitor subjects discreetly. Specialising in infidelity cases, corporate investigations, and child custody matters, we provide video and photographic evidence. Clients receive detailed reports and actionable insights to support legal or personal decisions.
Background Checks
Comprehensive background checks cover over 100 databases, including social media and dating profiles. Ideal for verifying potential partners, employees, or business associates, our checks uncover critical information to inform personal or professional relationships.
Bug Sweeping
Our bug sweeping service detects hidden cameras, listening devices, and frequency transmitters using specialist equipment. Conducted in homes, offices, or vehicles, this service ensures privacy and security against unauthorised surveillance.
Spy Equipment
We supply undetectable spy equipment including GPS trackers, hidden cameras, and phone monitoring software. Designed for ease of use, our products help clients gather evidence discreetly in personal or professional scenarios.
Phone Number Searches
Our phone number search service identifies unknown callers within 24-48 hours. Using proprietary databases, we provide the owner's name and address, helping clients resolve harassment, debt collection, or suspicious communications.
Questions
How quickly can an investigation start?
We can initiate surveillance within 1 hour of contact, operating 24/7 across Sydney and regional areas.
Are your services confidential?
Yes, we maintain strict confidentiality protocols and are bound by professional codes of ethics.
Do you offer interstate services?
Our services extend nationwide with teams available in all Australian states and territories.
Can I purchase spy equipment online?
Yes, our online store offers discreet delivery of GPS trackers, hidden cameras, and monitoring software.
What payment methods do you accept?
Payment options are discussed during consultation to ensure secure and confidential transactions.
Reviews (4)
Nick Deronjic
Jul 19, 2021 Report
I was dealing with SPI on two different occasions and both times it was professional and prompt service.
COVID-19 restrictions and lockdowns made things bit difficult, however SPI stayed true to agreement and still got things done within proposed deadline. It's refreshing to come across business that you can rely on and know things will be done. Highly recommended. Thanks SPI
Richard Hogg
May 31, 2020 Report
I contacted SPI from the UK after trawling the internet (I wanted to trace someone I hadn't had contact with for approx. 40 years), reading reviews etc. My first contact had a quick response. Once the financial terms were agreed I sent the information and within 2 days I had the answer I was looking for. What more could I ask for. Excellent service together with an excellent result. I have no problem recommending SPI to anyone.
Hannah Brown
May 27, 2020 Report
Very professional service. Fast results and always willing to answer my questions and recommend the best action plan. Very thankful I was able to find this Investigation Company to help me out. Keep up the great work! Would highly recommend this company.
David Gerrard
Aug 02, 2018 Report
After trawling through the Internet I came across Gavin's firm and made contact with him. My request was to locate a person who I had lost contact with for a period in excess of forty years - no mean task.
Gavin tirelessly made every effort to comply with my request and to a great extent satisfied the purpose. I would have no hesitation in recommending his services for exemplary professionalism and reasonableness of costs.