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Errors and Omissions (E&O) Insurance: What is it & Who Needs it?

The Baldwin Group
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Updated: May 4, 2025
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5 minute read

What is Errors and Omissions (E&O) Insurance?

Errors and omissions (E&O) insurance offers essential protection for professionals and companies providing services to clients. No matter how experienced or diligent a business may be, mistakes happen, and even minor oversights can lead to costly legal battles. This form of professional liability coverage protects against claims of negligence, errors, or failures to deliver promised services.

Errors and omissions insurance is crucial for construction professionals, such as contractors, developers, and project managers, to consider. Many general liability policies exclude professional service-related claims, exposing businesses to significant financial risks. Without this protection, a single claim could impact a company’s economic stability and long-term success.

In this article, you’ll learn what E&O insurance is, who needs this protection, and what kind of coverage it provides to determine if it’s right for you and your business.

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Understanding E&O Insurance

At its core, errors and omissions insurance shields businesses and individuals from claims related to mistakes or lapses in professional services. Whether it’s an oversight in a contract, a clerical error, or a failure to meet a client’s expectations, E&O insurance covers legal defense costs, settlements, and damages arising from such claims.

Many general liability policies specifically exclude liability related to professional services. This leaves numerous contractors and service providers exposed, as their standard insurance typically does not cover professional mistakes or service-related negligence. These exclusions apply regardless of whether the work was self-performed or subcontracted, making E&O insurance a critical coverage for any business interacting with clients.

Who Needs Errors & Omissions Coverage?

Errors and omissions insurance is necessary for professionals across various industries, especially the construction and development sectors. This includes the following:

  • General contractors and subcontractors: Protects against claims from design errors, project management, or failure to meet contractual obligations
  • Developers and project owners: Shields against legal disputes related to construction defects, contractual breaches, or delays impacting project completion
  • Architects and engineers: Covers potential liabilities from design flaws, incorrect specifications, or miscalculations that could lead to costly project revisions
  • Construction managers: Mitigates risks associated with oversight responsibilities, including scheduling errors, budget mismanagement, and failure to enforce safety standards

Since many general liability policies exclude professional service liability, errors and omissions insurance helps ensure that construction professionals are protected against unforeseen claims that could impact their financial stability and business reputation.

Key Coverages

Errors and omissions insurance goes beyond just covering simple mistakes. It offers comprehensive protection in several key areas, making it necessary for those in the construction space. Here’s how it helps protect you and your business:

1. Legal costs and settlements

When a client claims that a business failed to provide the expected service, the legal expenses alone can be overwhelming. E&O insurance typically covers the following:

  • Attorney fees to defend against allegations of negligence or errors
  • Court costs associated with legal proceedings
  • Settlement expenses if a case is resolved outside of court
  • Judgments awarded against the insured in cases where liability is determined

Without this coverage, legal battles can drain company resources and lead to financial instability.

2. Rectification expense coverage

Rectification expense coverage indemnifies policyholders for costs incurred to correct an error or omission before it escalates into a claim. For example, if an architect realizes they made a design flaw that could lead to structural issues, this coverage helps pay for the necessary corrections that could prevent a more significant claim. This proactive approach helps businesses mitigate risk and maintain their professional reputation.

3. Protective loss coverage

This coverage applies when a business is forced to cover a settlement exceeding a design professional’s insurance limit. If a design firm is found responsible for an error, but its insurance policy cannot fully cover the damages, protective loss coverage helps the insured recover excess costs.

Here’s how protective loss coverage works:

  • The insured makes a claim against the design professional for losses incurred due to their negligence
  • If the design professional’s policy does not cover the full amount, E&O insurance helps bridge the financial gap
  • This helps ensure that businesses are not left covering enormous out-of-pocket costs for mistakes made by third-party design professionals

Claims Made vs. Occurrence-Based Policies

Errors and omissions insurance can be offered as either claims made or an occurrence-based policy. Understanding the differences is crucial when selecting coverage:

  • Claims made policies: Covers incidents that are reported while the policy is active, regardless of when the event occurred. If a policy lapses, coverage ceases for any unreported claims.
  • Occurrence-based policies: Covers incidents that occurred during the policy period, even if the claim is filed later. These policies are typically more expensive due to their broader coverage scope.

Most E&O insurance policies are issued on a claims made basis, making continuous coverage vital to avoid gaps that could leave a business vulnerable.

Why Errors and Omissions Insurance is Essential

Without errors and omissions insurance, businesses in the construction industry may face significant financial risks. A single mistake, whether a design flaw, a miscalculation, or an unintentional contractual oversight, can lead to lawsuits that impact company resources and damage reputations. Construction projects are complex; even the most diligent professionals can be involved in costly legal disputes.

Beyond just covering legal fees and settlements, E&O insurance helps enable contractors, developers, and construction managers to focus on their projects without the potential threat of devastating financial consequences. By investing in comprehensive E&O coverage, construction professionals can better protect their businesses, uphold industry credibility, and maintain strong client relationships.

Safeguarding Your Business

Errors and omissions insurance is a crucial layer of protection for any professional or business providing services to clients. Since many general liability policies exclude professional liability, securing E&O insurance works to protect a company against unforeseen claims of error, omissions, or failure to fulfill professional duties. Whether you’re a contractor, consultant, or design professional, having the right coverage can mean the difference between a minor setback and a devastating financial loss.

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