At-Bay vs
Chubb: How Do They Compare for Professional Liability (E&O) Insurance?
Chubb underwrites Pro ERM for non-licensed professional-services firms, quoted by agents and brokers; At-Bay offers primary MPL for businesses of all revenue sizes, up to $5 million, subject to state and eligibility rules.
At-Bay fits companies across revenue sizes that need up to $5 million of MPL; Chubb fits specified non-licensed firms seeking its Pro ERM structure. 5,1
What Are the Key Differences Between At-Bay and Chubb Professional Liability (E&O) Insurance?
Does Your Business Qualify?
Check whether your services meet Chubb’s non-licensed firm definition before comparing premiums:
Chubb says Pro ERM is available to non-licensed professional-services firms of all sizes, naming examples including associations, consultants, business process administrators, event planners, interior and graphic design firms, marketing and PR firms, printers, staffing firms, travel agents and trustees. 5Company-reported. Pro ERM Target Clients list.
At-Bay describes MPL eligibility across businesses of all revenue sizes without the same licensed-versus-non-licensed distinction. If you are licensed, ask Chubb to confirm eligibility before comparing price. 1
Compare Limit and Defense Terms
Chubb says Pro ERM covers defense costs for covered claims worldwide but does not publish a separate liability limit or retention. At-Bay publishes an MPL ceiling of up to $5 million. Ask Chubb for its actual limit and compare both quotes’ defense costs, retentions and state availability. 5 1
Additional Insureds or Subsidiaries
At-Bay lists automatic coverage for acquired subsidiaries. Chubb lists automatic additional-insured status for clients when required by contract. These address different needs: ask whether a new subsidiary or a client contract is the relevant exposure for your business. 1 5
What Should You Confirm in At-Bay and Chubb Professional Liability (E&O) Insurance Quotes?
- Ask Chubb to confirm that your business meets its non-licensed firm definition. 5
- Ask At-Bay which insurer will issue the policy. 1
- Request Chubb’s actual limit and retention; its page does not publish standard amounts. 5
- Ask which state restrictions apply to At-Bay’s MPL and whether your business qualifies. 1
At-Bay vs Chubb Professional Liability (E&O) Insurance Compared
At-Bay vs Chubb: Professional Liability (E&O) Insurance: documented features by provider
| Criteria | At-Bay Miscellaneous Professional Liability (MPL) Insurance | Chubb Pro ERM (Professional Enterprise Risk Management) |
|---|---|---|
| Limits and Retentions | At-Bay publishes an MPL limit ceiling of up to $5 million, with state restrictions that are not detailed on the product page itself. 1Company-reported. Current appetite paragraph; this is an advertised ceiling, not a guaranteed available limit for any specific applicant. | Chubb says Pro ERM includes coverage for 100% of defense costs for covered claims worldwide, but the reviewed page does not publish a separate liability limit or retention. 5Company-reported. Pro ERM Product Features list. |
| Who It’s For | At-Bay says it provides primary MPL for businesses of all revenue sizes with limits up to $5 million, subject to state restrictions and eligibility requirements detailed in a separate MPL appetite guide. 1Company-reported. Current MPL appetite paragraph; the linked appetite guide's specific eligibility requirements were not independently opened for this record. | Chubb says Pro ERM is available to non-licensed professional-services firms of all sizes, naming examples including associations, consultants, business process administrators, event planners, interior and graphic design firms, marketing and PR firms, printers, staffing firms, travel agents and trustees. 5Company-reported. Pro ERM Target Clients list. |
| How to Apply | At-Bay directs MPL submissions to underwriting by email or through automatic quotes on its Broker Platform, which At-Bay describes as a workflow of creating a quote, customizing limits and retentions, and binding the policy. 1,4Company-reported. Current submission instructions and the general broker-platform workflow description; MPL-specific automation details were not separately confirmed. | Agents and brokers can quote Pro ERM through Chubb's Cyber Central or Marketplace quoting platforms. 5Company-reported. Cyber Insurance Coverage & Products page quoting section. |
| Coverage Features | At-Bay lists MPL coverage highlights including automatic coverage for acquired subsidiaries, claims-made-and-reported coverage, coverage for independent contractors, disciplinary-proceedings defense, a duty-to-defend contract, personal-injury coverage (including emotional distress), punitive damages where insurable, a professional-services definition written for each insured, and an 80/20 hammer clause. 1Company-reported. Product-page coverage-highlights list; an 80/20 hammer clause is a settlement provision where the insurer pays 80% and the insured pays 20% of costs after the insured declines a recommended settlement. The issued policy and declarations control actual wording, limits and exclusions. | Beyond the Cyber ERM base, Chubb says Pro ERM adds E&O coverage including personal injury from professional services, a broadened definition of professional services that expressly includes professional technology services, coverage for independent contractors performing duties on the insured's behalf, automatic additional-insured status for clients when required by contract, and coverage for professional disciplinary proceedings. 5Company-reported. Pro ERM Product Features list; subject to the policy as issued. |
| Role in This Line | At-Bay markets MPL as one of its own named insurance products, sold through its disclosed producer, At-Bay Insurance Services LLC, with the product page directed at "properly licensed insurance professionals" submitting business rather than at direct retail buyers. 1,2Company-reported. Current MPL product page and license disclosures; this describes the distribution channel, not who bears the underwriting risk. | Chubb underwrites professional errors and omissions coverage through Pro ERM, a single policy combining professional liability, media and cyber exposures for non-licensed professional-services firms. 5Company-reported. Cyber Insurance Coverage & Products page, Professional Enterprise Risk Management section. |



