Thunder Bay
Private Investigator

Thunder Bay is an area rich in natural wonder, with plenty of reasons to call it home. That being said, sometimes we need help from professional investigative services to safeguard our way of life. The Smith Investigation Agency is one of the most respected and reputable private investigation agencies in Ontario, delivering exceptional client satisfaction with fact-based service. Our Thunder Bay office is conveniently located near Dunlop Street and Memorial Street, proudly serving local residents and businesses. Our private investigators and award-winning research department are poised and ready to aid in all of your investigation needs, and you’ll find that we offer every type of service needed to uncover the truth.

What Do We Investigate?


Corporate & Legal

Suspicious and inappropriate behaviour happens in any business. However, that doesn’t mean you need to be stuck in a difficult situation and face it alone. If you need expert investigative services, turn to us. Our team can help you minimize your risks and protect your assets.  We have the experience, equipment, and knowledge to protect your brand and bottom line. The Smith Investigation Agency’s professional and discreet approach to corporate and civil investigations enables for you to focus on your business while we get to the root of the issue, identify it and present our findings to you.

Family Investigations

The well-being of your family is important to you. Safeguard it with our private investigative services. We’ll interview individuals with critical data, consult documentation and photographic evidence, and compile in-depth reports for your convenience and peace of mind. Our private investigators work discreetly and professionally to deliver the most accurate results possible. If you believe there is suspicious activity unfolding that could jeopardize your household’s safety or welfare, The Smith Investigation Agency can help. There may be more to the story than you know, and we can unearth it with discretion and a fine attention to detail.

Investigative Research:

Background Checks

Do you need to learn more about a potential tenant or employee? Or, are you noticing suspicious behaviour and want to get to the bottom of it? We can help. Our focus is purely on securing the truth and delivering it to you with facts to back it up. By performing extensive background investigations on individuals, we can learn everything from their work history to the accuracy of their educational credentials and job performance. We are proud to offer our clients a 1-2 business day turnaround for all investigative research services, including background checks. You can quickly begin your trace online by filling out our general assignment form. Please call (705) 479-1704 for pricing.

Skip Trace Services

If you need to locate someone quickly and accurately, consider The Smith Investigation Agency’s skip tracing services. We work discreetly and move fast to isolate the location of “missing” persons, runaways and others. Whether or not you fear for someone’s safety or want to track them down for a witness statement, our private investigators will use the latest technology and years of experience to get the results you need. We offer a quick turnaround and dependable results for greater peace of mind.

Our private investigative services have proven results in the workplace including a reduction in company costs, enhancing productivity and bottom line earnings, better protection of your assets, and reduced risk of liability.



Whether you’re in the midst of uncovering a case of insurance fraud or recently learned of someone close to you pulling the wool over the eyes of someone else, we can help. The Smith Investigation Agency is capable of dealing with fraud cases with a range of services. Our aim is to secure definitive evidence, giving you the opportunity to prove the truth either in a court of law or to convince the perpetrator to stop. From fraudulent workers compensation claims to disability investigations, our private investigators have seen it all and have the expertise needed to get the answers you need.


The Smith Investigation Agency can assist in investigating your spouse if you suspect they may be unfaithful. We also know it can be a difficult thing to go through, which is why our private investigators work discreetly and non-intrusively. We conduct all of our investigations with the utmost attention to detail and confidentiality, ensuring delicate matters are handled with care. Allow our investigation professionals to find you the information you need to find peace of mind at last! It’s always better to know for certain and not cling to false hope.

And More…

For a full list of services, please visit our services page.

Need a private investigator? Contact us directly for a confidential consultation

Private Investigator Services in Thunder Bay

We are committed to client satisfaction at every turn, support and service and a dedicated team of professionals to handle any inquiry you may have. The Smith Investigation Agency is accredited by the Better Business Bureau and offers AIR MILES® Reward Miles for all of our investigative services. We conduct private investigations in Thunder Bay and the surrounding areas, including Rosslyn, Slate River Valley, Mission Island, Lappe, Kakabeca Falls, Neebing, Wawa, and other Northern Ontario cities. If you have any questions, please feel free to give us a call or send us an email!


Disclaimer: Private investigators are commonly confused with private detectives. However, there is a big difference between these two roles. In fact, in Ontario, private investigators are prohibited from representing themselves as private detectives. If you see a company advertised as a detective agency operating in Ontario or the Thunder Bay area, proceed with caution as they may not hold themselves to industry standards.

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