Security Through Intelligence™
Private Investigations
Your Trusted Guardian in Private Investigations
Guardian Protection Force, Inc. (GPF) is a leading private security and intelligence firm headquartered in Rancho Cordova, CA, proudly serving clients across Northern California and beyond. Our reputation for integrity, discretion, and results has made us the go-to private PI agency for individuals, families, attorneys, businesses, and public institutions.
Whether you’re seeking answers, protection, or peace of mind, our expert team delivers high-level investigative services designed to uncover the truth, protect your interests, and resolve sensitive matters with professionalism.

Private Investigations at the Highest Standard
At Guardian Protection Force, we bring the same rigorous standards and elite expertise from our executive protection division into our private investigations work. Our personal investigators are more than just licensed PIs – they are seasoned professionals with backgrounds in federal law enforcement, military intelligence, and corporate security. With over a decade of excellence and real-world field experience, we set the bar high for private investigation services in the Sacramento area and throughout California.
Our private investigations division handles a broad spectrum of needs:
Background checks and asset discovery
Infidelity and domestic surveillance
Workplace misconduct and internal theft
Civil and criminal investigations
Legal support services, witness interviews, and court testimony
Each case is handled with strict confidentiality, detailed reporting, and thorough documentation. We don’t just investigate – we provide actionable intelligence.
The Guardian Protection Force Difference
Why We’re the Best Private PI Firm in Northern California
Our team includes former federal agents, law enforcement, and intelligence pros—bringing unmatched skill, credibility, and discretion to every private investigation case.
Intelligence-Driven Process
We combine advanced surveillance tactics with protective intelligence to uncover facts, reduce risk, and deliver results backed by precision and actionable insights.
Proven Results, Trusted Locally
Clients across Northern California count on us for thorough, court-ready reports, verified findings, and investigative work that holds up under legal and professional scrutiny.
More Than Investigators - We’re Trusted Problem Solvers
We love nothing more than to hear our clients say, “You delivered what no one else could.” That’s the difference Guardian Protection Force brings to private investigations.
With a foundation rooted in precision, discretion, and accountability, we’ve become a preferred provider of personal private investigator services in Rancho Cordova and the greater Sacramento region.
Whether you’re dealing with a sensitive personal matter, a legal dispute, or a corporate risk concern, our team brings the discipline and skill required to uncover truth quickly and ethically.
What Makes Us Different?

Elite Expertise:
Former federal agents, law enforcement, and intelligence professionals with diverse investigative backgrounds.

Full-Spectrum Capabilities:
From background investigations to undercover surveillance, we offer it all under one roof.

Court-Ready Evidence:
We produce detailed professional reports, legal documentation, and provide court testimony when needed.

Integrated Intelligence:
Every service includes Protective Intelligence to preempt risks and uncover unseen threats.

Technology-Driven:
We leverage secure digital platforms, encrypted databases, and real-time surveillance systems.
When you need facts – not theories – Guardian Protection Force delivers clarity.
Professional. Discreet. Results-Driven.
You’re not hiring a hobbyist. When you choose GPF, you’re retaining a top physical security and private investigations firm that is structured like a high-performance security agency.
Our team treats every investigation as a mission. We listen, we plan, we execute. Our investigators develop case strategies using intelligence-based methodologies combined with boots-on-the-ground surveillance, field interviews, and advanced research.
We work directly with attorneys, law firms, business owners, and individuals to uncover evidence that stands up to scrutiny.
Our Private PI Services Include:
Background Checks & Employment Screening
Surveillance & Counter-Surveillance
Witness Location & Interviews
Infidelity Investigations
Asset Discovery & Recovery
Legal Research & Document Retrieval
Workers' Comp & Insurance Fraud
Online & Cyber Investigations
Undercover Operations
Person Locator / Missing Persons
Accident Investigations
Legal Depositions & Court Testimony
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Guardian Protection Force is proud to be one of the top physical security consulting firms in California, with a specialized unit dedicated to private PI work. Our investigators serve with integrity and honor, and their expertise includes everything from domestic surveillance to corporate risk assessment.
We are a licensed and insured private investigations agency committed to ethical conduct, operational excellence, and accurate reporting.
When you hire us as your personal private investigator, you’re not just getting a report – you’re getting real answers, real protection, and real solutions.
Contact us today for a quote and experience the Guardian Protection Force difference.
Whether you’re facing a personal crisis, legal dispute, or business-related concern, GPF is ready to help. All inquiries are 100% confidential. You’ll speak directly with a senior investigator who will assess your needs and provide a no-cost, no-obligation quote. Let us help you get the answers you need, fast.
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