Melbourne Private Detective
Melbourne private detective agency servicing greater Melbourne and Victoria-wide
Discreet & Confidential
Melbourne Private Detective ServicesAt GSI Investigations, we are Melbourne’s trusted private detectives agency, offering results-focused and confidential investigative services tailored to your meet your unique needs. Whether it’s a personal matter or a corporate concern, our licensed investigators bring years of local experience to every case we work on.
Our Services
Infidelity & Relationship InvestigationsSuspecting a partner of cheating can be emotionally draining. Our professional and discreet surveillance and investigative methods provide clear, factual answers—so you can move forward with your life with confidence.
Missing Persons & Skip TracingWhether it’s a lost loved one, someone avoiding legal responsibilities or a runaway teen, our skip tracing techniques and Our national database access gives us the edge in locating individuals Australia wide.
Background ChecksVerify the truth about potential partners, employees, or business associates. We provide detailed, accurate background reports using legal and ethical intelligence gathering.
Corporate & Workplace InvestigationsProtect your business from internal threats. We investigate employee misconduct, fraud, false claims, theft, and more—providing evidence admissible in court or internal proceedings.
Surveillance ServicesOur licensed surveillance agents operate throughout Melbourne and Victoria, capturing photo, video, and location evidence while maintaining total discretion and legal compliance.
Bug Sweeping & Counter-SurveillanceConcerned about hidden cameras, tracking devices, or listening equipment? Our electronic sweep service detects and neutralises covert surveillance in homes, offices, and vehicles.
Why Choose UsLicensed & Insured – Fully compliant with Victorian regulations.Experienced Investigators – Ex-police, military, and intelligence backgrounds.100% Confidentiality – Your privacy is our top priority.Local Knowledge – Deep understanding of Melbourne’s suburbs and legal framework.Court-Ready Evidence – Clear, timestamped documentation for legal use.
Discretion. Truth. Justice.Trust Melbourne’s leading private investigators to uncover what matters most.
Missing Persons & Skip TracingWhether it’s a lost loved one, someone avoiding legal responsibilities or a runaway teen, our skip tracing techniques and Our national database access gives us the edge in locating individuals Australia wide.
Background ChecksVerify the truth about potential partners, employees, or business associates. We provide detailed, accurate background reports using legal and ethical intelligence gathering.
Corporate & Workplace InvestigationsProtect your business from internal threats. We investigate employee misconduct, fraud, false claims, theft, and more—providing evidence admissible in court or internal proceedings.
Surveillance ServicesOur licensed surveillance agents operate throughout Melbourne and Victoria, capturing photo, video, and location evidence while maintaining total discretion and legal compliance.
Bug Sweeping & Counter-SurveillanceConcerned about hidden cameras, tracking devices, or listening equipment? Our electronic sweep service detects and neutralises covert surveillance in homes, offices, and vehicles.
Why Choose UsLicensed & Insured – Fully compliant with Victorian regulations.Experienced Investigators – Ex-police, military, and intelligence backgrounds.100% Confidentiality – Your privacy is our top priority.Local Knowledge – Deep understanding of Melbourne’s suburbs and legal framework.Court-Ready Evidence – Clear, timestamped documentation for legal use.
Discretion. Truth. Justice.Trust Melbourne’s leading private investigators to uncover what matters most.
Discreet, Professional & Results-DrivenNeed the truth? At GSI Investigations, we provide confidential and reliable private investigation services across Melbourne and greater Victoria. Whether you're facing personal concerns or business challenges, our licensed investigators deliver the answers you need—ethically, discreetly, and efficiently.
How Does it Work?
When you engage the services of GSI Investigations, you will be given a clear and targeted surveillance plan to suit your individual requirements. We will consult with you on your situation and devise a suitable plan for surveillance or whatever service is required based on our professional experience and the information you provide.
Communication is of the utmost importance so once we commence, you will be given regular updates on the progress of the investigation and provided with any important details as we progress.
At the completion of the investigation, any photographic and video evidence obtained will be provided as well as any report writing if required.
Your privacy is paramount, so all care is taken to maintain discretion and confidentiality at all times throughout the investigation.
Surveillance and monitoring equipment
At GSI Investigations, we utilise all the most state of the art equipment and technology to ensure we're achieving the best results for our customers, From covert spy cameras to top of the line recording devices, our investigators are leading the way in surveillance and monitoring equipment to ensure the best results are obtained.
What does it cost?
The cost of hiring a Melbourne private detective in will vary, as each case has different requirements and objectives and will often be approached with a different strategy. As a gauge, you should expect to pay anywhere from $120 - $180 an hour for surveillance. Each investigation differs from another, and some may require additional incidental fees to ensure the job is done correctly such as parking if required.
Areas We ServeWe operate across all areas of Greater Melbourne and regional Victoria.
Speak to a Melbourne private detective todayIf you need answers, evidence, or peace of mind—get in touch. We offer free, no-obligation consultations and tailor each investigation to your situation and budget. Free Confidential ConsultationIf you are looking for a Melbourne private detective or for regional Victoria, then call us today for a free consultation on +61 3 9110 3088 or email us at enquiries@gsiinvestigations.com.auOr fill out our Contact Form for a prompt response.
Speak to a Melbourne private detective todayIf you need answers, evidence, or peace of mind—get in touch. We offer free, no-obligation consultations and tailor each investigation to your situation and budget. Free Confidential ConsultationIf you are looking for a Melbourne private detective or for regional Victoria, then call us today for a free consultation on +61 3 9110 3088 or email us at enquiries@gsiinvestigations.com.auOr fill out our Contact Form for a prompt response.
Let us help you uncover the truth—professionally, discreetly, and with compassion.
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