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🛡️ GeneralPublished: August 30, 2026

Professional Liability & Errors and Omissions (E&O): Contractual Defense

By Buy Insurance Online Editorial & Actuarial Board

Errors and Omissions (E&O) insurance protects service professionals, technology consultants, and corporate advisors against allegations of professional negligence.

1. What E&O Covers

Unlike standard CGL policies that require physical bodily injury or property damage, E&O covers purely financial losses suffered by clients due to advice errors, missed deadlines, coding bugs, or contract breach allegations.

2. Duty to Defend & Legal Costs

Even groundless lawsuits cost tens of thousands in attorney fees. E&O policies provide a rigorous 'duty to defend', covering legal defense teams, expert witness fees, and negotiated settlements.

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Buy Insurance Online Editorial & Actuarial Board

Our insurance analysts and risk consultants publish independent guides on auto liability, HO-3/HO-5 endorsements, and statutory claims dispute remedies.