We are the best because we are a team

At Investigation Hotline, we partner with top private investigation agencies across Canada to handle complex cases that require specialized skills or local expertise. From cyber investigations to surveillance and background checks, our trusted network helps us deliver fast, discreet, and professional results—wherever you need us.


Top Tier Investigations

Based in Toronto, Top Tier Investigations is your trusted source for comprehensive private investigation services. We support individuals, businesses, and organizations with fast, discreet, and cost-effective solutions tailored to each case. Our highly trained team uses cutting-edge investigative tools and techniques to deliver reliable results.

Services include background checks, asset searches, financial and corporate investigations, HR investigations, due diligence, surveillance, missing persons, and more. Whatever the challenge, we operate with complete confidentiality—and we’re committed to uncovering the truth.

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MadPI Consulting & Investigations

Our trusted partner in Quebec, MadPI Consulting & Investigations delivers discreet, results-driven solutions for individuals and businesses. Whether you’re investigating a spouse, employee, or business associate, their expert team uncovers the truth and provides clear, actionable evidence—confidentially and professionally.

With advanced technology and deep expertise, MadPI handles surveillance, asset searches, background checks, infidelity and insurance investigations, cyber cases, TSCM, and more. Their diverse team includes multilingual professionals from law enforcement, intelligence, and private security backgrounds.

MadPI is a Certified Master Investigator (CPIO), a BBB-accredited business, and a member of top global investigator associations. Clients trust them for their integrity, precision, and outstanding service.

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Investigations Plus Ltd

A trusted partner of Investigation Hotline, Investigations Plus specializes in private investigation services with a unique focus on counter-surveillance. If you suspect someone is monitoring you without your knowledge or consent, it’s crucial to act quickly—unlawful surveillance can cause serious harm to you or your organization.

Our expert team is highly trained in detecting and neutralizing hidden surveillance threats. Don’t wait for a breach to escalate. Contact us today to protect your privacy and regain control.

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OBN Security

OBN Security is a global leader in private investigation and advanced security solutions. Trusted by international law enforcement, President and CEO Felix Valdez personally oversees each case, supported by a team of elite intelligence professionals.

From risk management and covert surveillance to fraud detection and high-tech security, OBN specializes in solving complex cases others can’t. We bring unmatched discretion, vigilance, and innovation to every mission—because when it comes to protecting your interests, compromise is not an option.

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Spy Depot Security Inc.

Spy Depot Security is your one-stop shop for cutting-edge surveillance gear and expert installation. From hidden cameras and GPS trackers to bug detectors and audio surveillance, we provide the tools to protect what matters most.

Shop online or visit our showroom for hands-on guidance. Our knowledgeable team will walk you through each solution and ensure you leave with the right tech—and peace of mind.

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Precision Institute of Protective Measures

A proud member of Investigation Hotline’s elite network, Precision Institute offers specialized services in Close Protection, Cyber Security, K-9 Detection, and International Secure Travel.

What truly sets us apart is our unique Mentorship program—combining investigative expertise with emotional intelligence coaching to help clients feel safe, supported, and empowered throughout every step of the process.

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G.P. Ospreay & Associates

Led by renowned forensic expert Graham Ospreay, G.P. Ospreay & Associates provides specialized forensic document examination services for Investigation Hotline.

From handwriting analysis and signature verification to fraud detection, counterfeit identification, historical document authentication, and intellectual property investigations, their expertise covers a wide spectrum of complex forensic needs. When accuracy and detail matter most, G.P. Ospreay delivers with precision and discretion.

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Divorce Angels

The Divorce Angels are your trusted resource for divorce support, offering guidance on everything from legal rights and custody to finances and emotional well-being. Whether you need expert advice or just someone to talk to, our free live chat and blog are here to help.

As long-time partners of Investigation Hotline, we work together to uncover the truth and ensure transparency—so you’re never caught off guard. Let us help you take the next step with confidence.

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