General liability and professional liability (also called errors and omissions insurance) are both commercial liability coverages, but they protect against fundamentally different types of claims. Conflating them — or assuming one covers what the other is designed for — is a common and potentially costly mistake for small business owners and freelancers.
What general liability covers
General liability insurance covers claims arising from bodily injury, property damage, and personal/advertising injury caused to third parties in the course of your business operations. A client who slips and falls at your office, a delivery person injured on your premises, property damage you accidentally cause while on a client's site, or a claim that your advertising infringed on someone's intellectual property are all examples of claims that general liability is designed to address. The key feature: the claim is based on something physical or tangible that happened, not on the quality or outcome of advice or professional service you delivered.
Many standard contracts with larger clients, landlords, and government entities require you to carry general liability insurance with specific minimum limits as a condition of doing business. The requirement typically appears in the contract's insurance section and may specify minimum per-occurrence and aggregate limits. Failing to carry required coverage can be a contract breach, even if no claim ever arises.
What professional liability covers
Professional liability (E&O) insurance covers claims that arise from errors, omissions, or negligence in the professional services or advice you provide — the quality and outcome of your work rather than physical incidents. A consultant who provides advice that leads to a client's financial loss, a software developer whose code error causes a client's system to fail, an accountant who makes a calculation error resulting in a tax penalty — these are professional liability claims, not general liability claims. If your work involves giving advice, creating deliverables, or providing a service that a client relies on for their own business decisions, an error or omission in that work could expose you to a claim for resulting financial harm. Professional liability insurance specifically addresses this risk, which exists regardless of whether you have employees or an office.
Which type — or both — do you need?
Many businesses need both types of coverage. A marketing agency, for example, faces general liability exposure (clients visit their office, employees work at client sites) and professional liability exposure (their campaign advice and creative work can produce outcomes clients hold them responsible for). Purely digital businesses or freelancers who work remotely may have minimal general liability exposure but significant professional liability exposure. Service businesses in regulated professions — accounting, law, medicine, engineering — often face specific professional liability requirements and carry both types as standard practice.
Cost and claims differences
General liability claims tend to be more straightforward to assess — the injury happened or the property damage occurred, and the question is primarily one of coverage and amount. Professional liability claims are often more complex and contentious because they involve evaluating the quality of judgment or work against a professional standard, and the connection between your actions and the claimed financial harm may be disputed. This complexity is reflected in professional liability premiums, which vary significantly by profession, scope of work, and claims history.
- Identify your actual risk exposures: do you have physical interactions with clients or the public (general liability), and do you provide advice or deliverables clients rely on financially (professional liability)?
- Review any contracts for specific insurance requirements before assuming your current coverage is sufficient
- Consider a BOP if you need both general liability and commercial property coverage — bundling often produces cost savings
- Don't assume general liability covers professional errors just because it's the broader-sounding coverage
- Consult your specific industry's standard practices, since some professions have well-established norms for both types and required minimums
Frequently asked questions
Does general liability cover cyber incidents?
Generally not — standard general liability policies explicitly exclude cyber-related losses in most modern policy forms. A data breach, ransomware attack, or liability arising from a privacy violation requires separate cyber liability insurance. This exclusion is worth confirming explicitly in your policy rather than assuming coverage exists.
Can a client sue me for professional liability even if I did my best work?
Yes — professional liability claims are based on the outcome relative to the professional standard of care, not on intent. A client who suffers a financial loss that they attribute to your work or advice can file a claim regardless of whether you acted in good faith or with competence by your own assessment. Defense costs alone for a professional liability claim can be substantial even if the claim is ultimately unfounded.
Is professional liability the same as malpractice insurance?
Malpractice insurance is professional liability insurance by a different name, typically used in medical, legal, and similar licensed professional contexts. The underlying coverage concept is the same: protection against claims arising from errors, omissions, or negligence in professional services. The term "malpractice" is generally used in contexts where professional licensing and specific standards of care are established by law or professional bodies.