03 9110 3088

GSI Investigations

Melbourne Private Investigators Services & Solutions Trusted & Discreet

GSI Investigations are Melbourne private investigators who provide targeted and discreet investigation solutions servicing both the private and corporate sectors. We are a private investigators firm with a network of professional and experienced investigators with a passion and drive for what we do.
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Expert and trusted Melbourne private investigators delivering discreet strategic and targeted investigation solutions with an industry high success rate

At GSI Investigations, we offer discreet and confidential investigative services as professional private investigators in Melbourne and Victoria's regional areas. When you need reliable, discreet, and professional private investigation services in Melbourne or regional Victoria, our private investigator team is here to help. Whether you're dealing with personal matters, family law matters, business concerns, or legal issues, we offer a wide range of private investigation services tailored to meet your specific needs. If you are considering engaging the services of a Melbourne private investigator firm then call GSI Investigations now for a no fee consultation on +61 3 9110 3088 or send us an email at enquiries@gsiinvestigations.com.au.
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Thousands of cases completed and counting with an industry high success rate!

Why hire a private investigator? GSI Investigations are an industry leading Melbourne private investigator with a network of experienced and results-driven professionals.
Engaging a private investigator can be a crucial step in uncovering the truth. Our team of experienced Melbourne private investigators are professionals and well-versed in local laws and regulations, ensuring that all investigations are conducted ethically and legally.
About Us
James Watson
92%
Surveillance Solutions
Tailored and discreet covert surveillance solutions to meet your needs and deliver the desired outcome whatever the circumstances.
Missing Persons
Our team is skilled in locating individuals who have gone missing, whether they are friends, family, or debtors.
Bug Sweeping
Utilising the latest in bug detection technology our team has the knowledge and experience to locate any hidden listening devices in your space.
Corporate Investigations
Issues in the workplace? Safeguard your business against fraud, employee misconduct, and intellectual property theft.
Family Law Matters
A sensitive area for many. We provide investigative services into these matters with respect, confidentiality and covert solutions.
Cheating Partners
Suspect your partner of cheating? We provide covert targeted surveillance solutions and detailed outcome reporting.

Client Feedback

Find out what our clients think.
  • "Cannot speak highly enough about our exoerience with GSI Investigations, we got the result we were looking for and were able to move on with piece of mind."
    ★ ★ ★ ★ ★
    — G Turner
    "Really professional and structured approach to our issues. The Investigators were on top of the situation at all times. Highly reccomend them to anyone."
    ★ ★ ★ ★ ★
    — M Glenn
    "I had been having problems with theft in my workplace for months with no idea who it was. GSI came in with a plan, they executed that plan and within a short period of time I had all my questions answered. Great work guys!"
    ★ ★ ★ ★ ★
    — N Standing
  • "GSI Investigations were outstanding! I suspected my husband was cheating on me for months after 11 years of marriage, so I contacted GSI and they jumped right into action. They had a plan for surveillance that was both fast and effective, and they got me the proof i required in no time. Thanks again guys, you're the best. ."
    ★ ★ ★ ★ ★
    — D Nygen
    "I have a large company in the trades industry and we were regularly short on our stock numbers and suspected foul play. GSI Investigations came in and put together an investigation that targeted employees suspected of stealing our stock. They were well organised and very professional in their approach and sure enough they got the job done.."
    ★ ★ ★ ★ ★
    — K Walsh
    "I engaged GSI Investigations to do background checks on potential employees. They did a great job and were very professional. We got all the information we needed to make the right decision for our business."
    ★ ★ ★ ★ ★
    — P Singh
  • "We were really concerned about the company our teenage son was keeping. We engaged GSI to find out who he was hanging around and what he was gettimg up to. Within a short period of time GSI provided us with all the information we were after . They were efficient and professinal . Highly recommend to anyone."
    ★ ★ ★ ★ ★
    — A Sendikas
    "I suspected my husband was cheating on me and got in contact with GSI. They didn't mess around and within a few hours they gave me evidence he was. I've moved on and now I have found real love with a man who absolutely adores me. Thanks GSI."
    ★ ★ ★ ★ ★
    — N Pearson
    "I seperated from my husband and had shared custody of our children. I suspected he was mistreating them and engaged GSI to find out what was really going on. GSI discovered he was using drugs and keeping bad company on a regular basis and whilst in custody of the kids. It was all the evidence i needed for court to keep my children safe."
    ★ ★ ★ ★ ★
    — M Cheng

Industry Awards & Credentials

Over 160 years of combined private investigations experience

We have some of the industry's leading and most experienced professional Melbourne private investigators who just happened to love what they do and are ready to help you to get to the truth! GSI Investigations has built an industry reputation as reliable private investgators in Melbourne who provide exceptional service with an industry high success rate across all investigations. Our Melbourne private investigator services are tailored to suit your individual requirements and to get you the desired outcome...the truth! Our investigators operate 24 hours 7 days a week and are some of the most experienced private investigators in Melbourne and the entire state of Victoria. If you think you need the services of a Melbourne private investigator company, then call GSI Investigations on +61 3 9110 3088 now for a free consultation and take the first step in getting to the truth of the matter today! Email us on enquiries@gsiinvestigations.com.au
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Call us: +61 3 9110 3088 Email GSI Investigations
Location
Melbourne VIC 3000 Servicing Greater Melbourne and all of regional Victoria
Hours
Contact 24/7 via email or call us Mon to Frid: 7am - 9pm Sat and Sun: 8am - 8pm Surveillance: 24 hours 7 days a week
Tools
Copyright ©2015. GSI Investigations. All rights reserved. Private Investigator License 621 690 30S