Security Guard Professional Liability Insurance

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Security Guard Professional Liability Insurance

Security guard professional liability insurance (also called errors & omissions or E&O insurance) protects security companies and guards from claims involving negligence, wrongful arrest, failure to perform duties, and other service-related allegations.

Unlike general liability, which focuses on bodily injury and property damage, professional liability addresses claims tied to how security services are performed.

This coverage is a critical part of a complete security guard insurance program, especially for companies working under contracts or providing patrol, event, or high-risk security services.

Request a quote or learn how this coverage works below.

What Does Professional Liability Cover for Security Guards?

Professional liability insurance typically responds to claims such as:

  • Failure to perform contracted security duties
  • Wrongful arrest, improper detention, or excessive force allegations
  • Negligent supervision or inadequate training
  • Failure to respond to an incident
  • Breach of contract or failure to meet service expectations
  • Errors in reports, documentation, or background checks

These claims often arise even when no physical injury occurs — which is why general liability alone is not enough.

Professional Liability vs. General Liability

Security companies often carry both coverages because they protect against different types of risk:

  • General Liability Insurance – covers bodily injury, property damage, and certain personal injury claims
  • Professional Liability Insurance – covers errors, negligence, and service-related claims

For example, if a bystander is injured, general liability may apply. If a guard fails to prevent an incident or is accused of improper conduct, professional liability may respond.

Who Needs Professional Liability Insurance?

This coverage is important for:

  • Security guard companies
  • Private patrol firms
  • Event security providers
  • Retail and commercial security contractors
  • Private investigators and mixed-service firms

Any business that provides security services under contract should strongly consider professional liability coverage.

Common Claims and Risk Scenarios

  • Failure to stop theft or unauthorized access
  • Wrongful detention or excessive force allegations
  • Missed patrols or failure to respond to incidents
  • Client lawsuits for negligence or contract disputes
  • Improper handling of a situation leading to escalation

These types of claims can lead to costly legal defense, even if the business is ultimately not found liable.

What Professional Liability Does NOT Cover

Professional liability does not replace other policies. It typically does not cover:

Armed vs. Unarmed Security Considerations

Professional liability coverage is heavily influenced by whether guards are armed.

  • Armed operations often require stricter underwriting and higher premiums
  • Insurers may review training procedures, certifications, and use-of-force policies

Learn more about these differences here: armed and unarmed security insurance.

What Affects the Cost of Professional Liability Insurance?

Several factors influence pricing:

  • Type of services provided (armed, unarmed, patrol, event security)
  • Number of guards and payroll
  • Claims history
  • Training procedures and documentation
  • Client contracts and required limits
  • Geographic exposure

Companies with strong procedures, documented training, and clear protocols often receive better underwriting outcomes.

Proof of Insurance and Contract Requirements

Many clients require professional liability coverage as part of their contract, especially for higher-risk environments or large-scale operations. Certificates of insurance and specific endorsements may be required before work begins.

Having this coverage in place can help you win contracts and reduce disputes with clients.

How Professional Liability Fits Into a Full Insurance Program

Most security firms combine professional liability with:

To see how these coverages work together, visit the Security Guards Insurance hub.

Frequently Asked Questions

Is professional liability the same as general liability?

No. General liability covers bodily injury and property damage, while professional liability covers errors, negligence, and service-related claims.

Do security guard companies really need E&O coverage?

Yes. Many claims against security companies involve failure to perform duties or negligence, which are not covered under general liability.

Does professional liability cover wrongful arrest?

Yes, wrongful arrest or improper detention claims are typically addressed under professional liability coverage, depending on the policy.

Is this required for contracts?

In many cases, yes. Larger clients and higher-risk environments often require professional liability coverage as part of contract terms.

Still have questions? Talk to an insurance specialist.

Partners, Programs & Market Access


We maintain relationships with nationally recognized and specialty-focused insurance providers that actively underwrite this class of business. Our network includes both admitted and non-admitted markets, allowing us to match risks—from straightforward accounts to more complex or hard-to-place exposures—with appropriate underwriting partners.


Program availability, coverage terms, and underwriting appetite can vary based on operations, location, and loss history, so access to multiple markets is key to securing the right fit. This approach helps ensure broader coverage options and more competitive placement across a range of risk profiles.



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