About Us – Independent Security Services Atlantic Inc.

Total Security Management for Your Business

Independent Security Services Atlantic Inc. (ISS), Independent Armored Transport Atlantic Inc. (IAT), and Mainstay Security Services and Investigations (2011) Inc. (MSS) operate together to provide comprehensive, integrated security solutions. As three companies working seamlessly as one, we deliver what we call The Next Level of Protection.

Our combined team brings decades of experience across multiple security disciplines. Through our specialized divisions and professionally trained staff, we offer businesses a full spectrum of security and loss-prevention services—all from a single, trusted provider.

One Provider, Complete Protection. Bridging the Gap in Public Safety.

As policing agencies continue to scale back their service levels and response times, businesses increasingly require reliable private security partners. Instead of navigating multiple vendors, we offer everything under one roof:

Full Security Management

Loss Prevention Planning

Professional Uniformed Staff

Specialized Service Divisions

Security Investigations and Support

Delivery Services

Secure Medical Delivery

We specialize in Secure Medical Delivery for pharmacies, offering safe and confidential transportation of medications directly to residential homes in the HRM and surrounding areas. Our trained personnel ensure every delivery is handled with the highest level of care, accuracy, and security.

General Courier Services

We also offer general courier services capable of handling a wide range of delivery requirements. Our fleet includes cars, vans, cargo vans, and 5-ton trucks. This allows us to provide fast, flexible, and dependable delivery options for businesses throughout the HRM and surrounding regions.