Not by state or local law in most cases, but it is effectively mandatory in practice for most Ohio professionals. Client contracts, RFPs, government vendor agreements, and professional licensing boards frequently require proof of E&O coverage with specific limits and retroactive dates before you can begin work or renew a license. Many client contracts also require you to maintain coverage for a defined period after project completion to cover claims that surface later. If you work with corporate clients, public agencies, or in regulated industries, assume it will be required.

No - General Liability and E&O cover fundamentally different exposures. GL covers third-party bodily injury, property damage, and personal/advertising injury arising from your operations. E&O covers the financial loss a client suffers because of a professional error, omission, missed deadline, or failure to deliver services as promised. A software developer whose code crashes a client’s system isn’t covered by GL for the client’s lost revenue - that’s an E&O claim. Many Ohio client contracts require both policies, and they’re often bundled for efficiency.

Yes - if the policy includes a retroactive date that reaches back to cover that prior work. E&O policies are written on a claims-made basis, meaning coverage applies when the claim is made (not when the work was done), but only for work performed after the retroactive date. If you’re buying E&O for the first time, we’ll try to set the retroactive date as far back as possible to cover your full professional history. If you’re switching carriers, never let the retroactive date move forward - doing so creates a gap that leaves your past work unprotected. Prior acts coverage is one of the most important and most commonly misunderstood aspects of E&O.

Yes, and for many Ohio technology and data-handling professionals, combining them is the right move. Some carriers offer a Technology E&O policy that wraps professional liability and cyber liability into a single form - particularly useful for IT consultants, MSPs, software developers, and SaaS companies whose professional errors and cyber exposures are often intertwined. For other professions, standalone Cyber Liability can be bundled alongside E&O for package pricing. We’ll compare the combined-form approach against standalone policies based on your specific operations and client requirements.

Almost all E&O policies are written on a claims-made basis - coverage applies when the claim is reported to the insurer during the active policy period, regardless of when the work was performed (subject to the retroactive date). This is different from occurrence-based policies (common in GL) where the policy in force at the time of the incident responds, even if the claim comes years later. The practical consequence for claims-made E&O is that you must keep the policy continuously in force, protect your retroactive date when switching carriers, and consider purchasing an Extended Reporting Period (tail coverage) if you ever cancel or retire.

Common starting limits are $1,000,000 per claim / $1,000,000 aggregate for most solo practitioners and small firms. Client contracts - especially with corporate or public-sector clients - often specify $1M, $2M, or higher. For legal professionals and larger IT or consulting firms, $2M-$5M limits are typical given the claim sizes illustrated above. The right limit depends on your largest client contract value, the financial harm your work could theoretically cause, and what your contracts require. A Commercial Umbrella can extend limits across E&O and other policies for broader protection.

Yes - one of the most valuable features of E&O is that it pays legal defense costs even when the claim against you has no merit. Professional liability claims are often filed opportunistically, and defending even a frivolous lawsuit can easily cost $50,000-$150,000 in legal fees before reaching trial. Most E&O policies include defense costs within the policy limits (meaning defense spending reduces the amount available for settlement), so choosing adequate limits is important. Some carriers offer defense-outside-limits options; we’ll flag this where available for higher-exposure professions.

Report it to your insurer immediately - don’t wait for a formal demand letter. On a claims-made policy, most forms allow (and require) you to report circumstances that might give rise to a claim, and doing so locks in coverage under the current policy even if the actual claim arrives after renewal or cancellation. Delaying a report is one of the most common ways coverage is lost. Contact us as soon as a client expresses dissatisfaction in writing, threatens legal action, or if you become aware of an error that could cause them financial harm. We’ll help you navigate the reporting process.