Private Investigators Serving Calgary, Edmonton & Surrounding Areas

Professional. Discreet. Evidence-Focused.

Private investigator conducting surveillance overlooking the Calgary skyline

3 Summit Investigations is a team of Calgary and Edmonton private investigators providing confidential private investigation and surveillance services for individuals, lawyers, businesses, and organizations throughout both cities and surrounding areas.

When the facts are unclear, every detail matters. We approach each file with careful planning, lawful investigative methods, discreet surveillance, and thorough documentation tailored to the circumstances.

Explore our specialized Calgary private investigator services, including professional surveillance services in Calgary, child custody investigations, skip tracing and address locates, missing person investigations, hidden camera and listening device detection, and VIP protection and executive home-sitting. Clients receive clear communication, organized findings, and practical information that supports confident decisions.

Close-up of an antique pocket watch representing hourly surveillance service

PAY BY THE HOUR

Pay-by-the-hour surveillance is a flexible security and monitoring service that allows clients to hire professional surveillance on an hourly basis without long-term commitments.
View Hourly Surveillance
Close-up of a person holding a DJI drone controller connected to a smartphone displaying a map.

Express Surveillance Package

A structured, pre-arranged surveillance service that provides professional monitoring of a person, property, or situation for a defined period of time
View Express Package
Collection of vintage photos with a retro camera, evoking nostalgia and memories.

Standard Surveillance Package

This package is ideal for clients who need consistent, dependable surveillance support with a clear scope of work and a comprehensive final report summarizing all observed activity.
View Standard Package
Close-up of a detective examining evidence photos on a table during an investigation.

Full Surveillance Package

A comprehensive, extended monitoring service with continuous observation, evidence collection, and detailed reporting for complete situational coverage, delivered as a Full Surveillance Package.
View Full Package

Specialized Investigation Services

Close-up of hands signing adoption papers in an office environment, symbolizing family and legal process.

Child Custody Investigations

During a custody dispute, evidence matters. When a parent’s conduct, decision-making, or ability to provide proper care is in question, it is important to have accurate and well-documented information to support your position. We assist clients by conducting confidential investigations that are thorough, efficient, and handled with professionalism from start to finish.
View Child Custody Investigations
A vintage-style mailbox with the morning sun illuminating a house in the background.

Address Locates

Finding someone can be difficult without the right resources. Our skip tracing services are designed to help locate current and historical address information through professional investigative methods and trusted data sources. Whether you need to reconnect with someone, confirm residency, or support a legal matter, we provide confidential and dependable results.
View Address Locates
Close-up view of a dome security camera mounted on a concrete wall for surveillance.

Hidden Camera Detection

Unauthorized surveillance can compromise your privacy, security, and peace of mind. Our Technical Surveillance Countermeasure (TSCM) services are designed to detect hidden recording devices, covert cameras, GPS trackers, and electronic monitoring equipment in homes, offices, vehicles, and other private spaces. We conduct thorough and discreet sweeps to help identify potential threats and restore confidence in your environment.
View Hidden Camera Detection
A close-up shot of two hands exchanging a photograph, concept of memory and relationships.

Missing Person Investigations

Locating a missing individual often requires more than standard searches. We conduct professional missing person investigations using proven investigative strategies, intelligence gathering, and experienced fieldwork to help uncover accurate information and determine a person’s whereabouts as quickly as possible.
View Missing Person Investigations
Discuss Your Case Confidentially