Providing Security for Your Offices, Construction Sites and Events

Commercial & Industrial Security Service

Shannahan’s Investigation & Security Limited offers commercial and industrial security services to properties in Mount Pearl, St. John’s, and the surrounding areas. Our security guards are all uniformed and maintain a direct line of contact with law enforcement. Tasks can include vehicle and bag searches, active control, and monitoring. All of our agents are fully trained on CPR and first aid administration. Patrol vehicles are equipped with first aid kits. Security agents in casual attire are available upon request for special projects.

Construction Site Security

Keep you construction site safe with security services. Our guards can ensure your tools, equipment, and other construction materials are protected and safe.

Corporate Security

Ensure your office is safe with our security services. Shannahan’s Investigation & Security Limited employs professional and well-trained security guards to make sure your corporate building remains safe.

Labour Dispute Security


Shannahan’s Investigation & Security Limited offers security services for labour disputes including, but not limited to strikes or protests. We can monitor the crowd and ensure the safety of the people and commercial property.

Event Security


Planning a big event? Make sure crowds are safe with our event security services. We can provide security guards for concerts, parties, festivals, and outdoor events.


Investigative and surveillance services are also available. For more details on our full list of security services, contact Shannahan’s Investigation & Security Limited today. We serve areas throughout Mount Pearl, St. John’s, and the surrounding areas.