Every security need. One trusted partner.

Kastle is the only end-to-end physical security provider that designs and installs the hardware, runs the software, monitors your properties 24/7, and sees every incident through to resolution.

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Protecting over 1 billion square feet globally
The world's most trusted organizations traded juggling vendors for consistency, predictability, and ROI from one provider.

Physical security solutions, managed end to end

One company. One contract. One call. That's what true end-to-end security ownership looks like.

Tailored to your space. Built to perform.

Our security experts have been solving security challenges like yours for over 50 years. Kastle starts with a thorough assessment of your property, risks, and operational needs, so your solution is purpose-built for you and works with the technology you already have.

  • Kastle handles everything; no consultants required.

  • Transparent pricing with no upfront fees.

  • Get a security plan created for your space, not a template.

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One provider. Zero gaps.

Kastle owns the entire security lifecycle from start to finish. Premium technology. No vendor management. No hidden markups. Just security that works.
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Customer reviews

Why customers choose Kastle

Exceptionally rated for ease of use, set up, and support.

Rated 4.6 out of 5 on G2

9.3

Ease of use

#1

In physical security, spring 2025
  • Effortless remote access with stellar support.
    Ana C. Assistant Property Manager
  • Great products and fast, helpful customer service.
    Edgar G. Manager
  • Convenient phone-as-a-key access and a great visitor portal.
    Philanthropy
  • Excellent products and fast service.
    Paula E. Office Manager
  • User-friendly and smooth experience with always-available support
    Commercial real estate

More from Kastle

Explore trends, insights, and best practices from the leading managed security provider.

Trusted credentials. Verified compliance.

Kastle is SOC 2, NDAA, and CCPA compliant, with a TMA (The Monitoring Association) Five Diamond designation.
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Get in touch

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