At-Bay vs
Marsh: How Do They Compare for Professional Liability (E&O) Insurance?
A business wanting a team with attorneys, economists and actuaries sizing up exposure may look to Marsh, a broker serving banks, tech and healthcare among others. At-Bay markets its own miscellaneous professional liability up to $5 million.
Marsh has specialized E&O practices for finance, healthcare, media and technology; At-Bay publishes a $5 million MPL ceiling for businesses across revenue sizes. 5,1
What Are the Key Differences Between At-Bay and Marsh Professional Liability (E&O) Insurance?
Industry-Specific Expertise or a Published Limit
Marsh lists professional-liability practices for finance, insurance, venture capital, law, architecture and engineering, media, technology, healthcare and biotechnology. At-Bay publishes a $5 million MPL ceiling for businesses it accepts. Marsh gives more explicit direction for specialized sectors; At-Bay gives a limit figure to compare against your need. 5 1
Who Will Assess Your Risk?
Marsh says its professional-liability teams include attorneys, economists, actuaries and coverage specialists. At-Bay’s MPL page instead details policy features such as a duty to defend and a hammer clause, without describing a comparable in-house specialist team. Ask Marsh who would assess your exposure and At-Bay which terms apply to your work. 5 1
Identify the Insurer
Neither reviewed page names the insurer for your specific placement. You need that information to check the issued policy and compare carriers. 5 1
What Should You Confirm in At-Bay and Marsh Professional Liability (E&O) Insurance Quotes?
- Ask Marsh which industry team applies to your business and what underwriting access it provides. 5
- Ask At-Bay which state restrictions and limit terms apply to its $5 million ceiling. 1
- Ask both to identify the insurer that will issue your policy. 5 1
- Request the actual limits, retentions, exclusions and premium from each. 5 1
At-Bay vs Marsh Professional Liability (E&O) Insurance Compared
At-Bay vs Marsh: Professional Liability (E&O) Insurance: documented features by provider
| Criteria | At-Bay Miscellaneous Professional Liability (MPL) Insurance | Marsh Professional Liability Insurance Brokerage |
|---|---|---|
| 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. | Marsh names specialized industries its professional liability experts serve, including banking and broker/dealers, insurance companies and asset managers, merchant banking and venture capital, accountants, attorneys, architects and engineers, media and entertainment, technology, and healthcare and biotechnology. 5Company-reported. Marsh professional liability page, What We Offer 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. | Marsh says professional liability coverage can protect a company against liability and defense costs from a claim alleging an error, omission or negligence in performing professional services, and that many policies also cover privacy violations and computer security breaches. 5Company-reported. Marsh professional liability page opening description; illustrative policy description, not a specific policy form. |
| 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. | Marsh's financial and professional liability practice places professional liability (errors and omissions) insurance; MMA also places E&O coverage within its executive and professional liability practice for middle-market clients. 5,6Company-reported. Marsh professional liability page and MMA executive and professional liability page. |



