Hiscox vs 
Marsh McLennan Agency: How Do They Compare for Professional Liability (E&O) Insurance?
What Is Hiscox?
Hiscox suits eligible small businesses that want online GL, professional liability, cyber or BOP quotes; businesses needing other specialty products should compare brokers. Core Hiscox NOW policies are usually issued by its own insurer, while some products use partners. 1,2,3
What Is Marsh McLennan Agency?
Marsh McLennan Agency provides business insurance and employee health and benefits, alongside retirement, wealth, and private-client services across the United States and Canada. Its US small-business page lists six common coverage types and directs buyers to request a personalized quote by phone; the insurer and terms for a specific placement must be confirmed in the proposal. 7,8
Read the Marsh McLennan Agency profile
Read the Marsh McLennan Agency Professional Liability (E&O) Insurance page
What Is Professional Errors and Omissions (E&O) Insurance?
Professional liability can help pay defense costs and covered losses when a client says your advice or service caused financial harm. If customers rely on your work, list every service you provide and check the claims-made reporting and prior-work terms. 10,11,12,13
What Are the Key Differences Between Hiscox and Marsh McLennan Agency Professional Liability (E&O) Insurance?
Online availability and insurer scope
Hiscox says eligible small businesses can quote and buy E&O online and lists the product as licensed for sale in 49 states and Washington, D.C., excluding Alaska. It names Hiscox Insurance Company Inc. as underwriter for admitted Hiscox NOW professional-liability policies; the contracting entity for a specific state or channel should be checked on the quote. MMA’s source names E&O, A&E and lawyers lines. 4 6 9
Claim access after purchase
Hiscox’s professional-liability FAQ describes a claims phone line open 24 hours a day, seven days a week for current customers. MMA’s source identifies its professional product categories. Compare this reporting access with the claims contact and notice instructions in the MMA proposal, and check each policy’s retroactive date and reporting extension before switching. 5 9
What Should You Confirm in Hiscox and Marsh McLennan Agency Professional Liability (E&O) Insurance Quotes?
Hiscox and Marsh McLennan Agency Review Scores for 2026
These averages can combine ratings for different products, locations, and customer groups, including approximate BBB grade conversions. Read each review for the sources, scope, and calculation.
Hiscox Review Score
Review Score
4 rated sources
Hiscox’s review results are sharply divided: low Trustpilot and ConsumerAffairs scores contrast with strong Feefo feedback. Service quality deserves closer scrutiny before purchase.[1][4][5][6][7]
Read Hiscox reviewsMarsh McLennan Agency Review Score
Review Score
2 rated sources
There are almost no public customer reviews of Marsh McLennan Agency (MMA). Trustpilot shows 3.2 out of 5, but from a single review, and BBB shows an A grade with four complaints closed in three years.[8][9][1]
Read Marsh McLennan Agency reviewsHiscox vs Marsh McLennan Agency Professional Liability (E&O) Compared
Hiscox vs Marsh McLennan Agency: Professional Liability (E&O) Insurance: documented features by provider
| Criteria | Hiscox Professional Liability Insurance | Marsh McLennan Agency professional errors omissions (official overview) |
|---|---|---|
| Role in This Line | Hiscox Inc., a licensed insurance intermediary, sells professional liability (errors and omissions) coverage directly online to small businesses as part of its Hiscox NOW admitted small-business catalogue. 3,4Company-reported. Company-stated online small-business channel. | Marsh McLennan Agency describes arranging professional errors omissions for the audience stated on the cited product page. 9Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Issuing Insurer | Hiscox's appetite guide and About Hiscox US page name Hiscox Insurance Company Inc. (NAIC 10200) as the underwriter of admitted Hiscox NOW professional-liability policies. 6,3Company-reported. Admitted small-business professional liability as described in company materials; the exact contracting entity for a particular state or channel should be confirmed on the quote. | Confirm in your quote. |
| Who It’s For | Hiscox says professional liability is licensed for sale in 49 states and Washington, D.C., excluding Alaska, and that if it does not sell the product online in a buyer's state, a specialist broker may be able to help instead. 4,6Company-reported. Company-stated jurisdiction for the online small-business catalogue; the appetite guide's technology classes (IT consultants, software development) illustrate typical buyers but do not guarantee acceptance for any one applicant. | Organizations seeking professional liability placement; source does not imply all professions share one policy. 9Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Coverage Features | Hiscox describes professional liability as a claims-made policy, meaning a claim is covered only if it is made (and typically reported) while the policy is active, rather than an occurrence policy covering incidents regardless of when the claim surfaces. 5Company-reported. Product FAQ description; exact triggers, retroactive dates, exclusions and wording are set by the issued policy. | The cited product page describes E&O and named specialist professional lines, including architects and engineers and lawyers professional liability; the overview does not treat them as one form. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 9Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Limits and Retentions | The professional-liability pages reviewed do not publish standard limit, retention or deductible amounts; specific figures are shown only on a quote. 4,5Not publicly disclosed. Public product and FAQ pages as previously reviewed. | The cited overview does not set a universal limit or retention for this line. Ask for the proposed policy form, limits, retentions, exclusions, and conditions in the quote. 9Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred. |
| How to Apply | Hiscox says eligible buyers can quote and buy professional liability online, with licensed advisors available by phone during posted hours for questions during the process. 4Company-reported. Company-described online application; eligibility and binding conditions require confirmation on the actual application. | The page invites organizations to contact a Marsh McLennan Agency adviser or specialist to discuss placement. The page does not establish a quote, bind, or coverage-effective timeline. 9Company-reported. professional errors omissions marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Claims Support | A professional-liability FAQ tells current customers that the claims phone line is open 24 hours a day, 7 days a week, separate from the general claims-center hours listed elsewhere on the Hiscox site. 5Company-reported. Company-described claims-reporting availability for this product's FAQ; does not establish claim outcomes or turnaround time. | Confirm in your quote. |
Related Pages for Hiscox vs Marsh McLennan Agency
Professional Liability (E&O) Pages for Hiscox and Marsh McLennan Agency
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Sources for Hiscox vs Marsh McLennan Agency
Sources About Hiscox
- Website Terms & Conditions of Use. Hiscox; Last modified May 28, 2024; Hiscox Inc. as Delaware corporation headquartered in Atlanta, d/b/a Hiscox Insurance Agency in CA, licensed intermediary for admitted and surplus-lines business with Hiscox Insurance Company Inc., other domestic insurers, and Lloyd’s syndicates; small-business online path distinguished from broker-only site sections. Accessed 2026-09-16.
- Get A Small Business Insurance Quote. Hiscox; States that Hiscox offers general liability, professional liability, cyber security and business owner’s policies online; zip-code quote field; licensed-agent hours Monday–Friday 7 a.m.–10 p.m. ET and Saturday–Sunday 8 a.m.–5 p.m. ET. Accessed 2026-09-16.
- About Hiscox US Insurance. Hiscox; Hiscox Insurance Company Inc. NAIC 10200 as Chicago, IL domiciled insurer admitted or licensed in all 50 states and D.C.; Hiscox Inc. as general agent and Lloyd’s coverholder for Syndicates 33 and 3624; surplus-lines placements through licensed surplus-lines brokers; A.M. Best rating statement. Accessed 2026-09-16.
- Professional Liability Insurance for Small Businesses. Hiscox; Professional liability/E&O product; licensed in 49 states and Washington, D.C. (Alaska excluded); specialist-broker assistance if not licensed in a state; licensed-advisor hours. Accessed 2026-09-16.
- What is Professional Liability Insurance? Hiscox; Claims-made description; current-customer claim number described as open 24 hours a day, 7 days a week. Accessed 2026-09-16.
- Hiscox US Agent Appetite Guide. Hiscox; Hiscox NOW admitted GL, PL, cyber and BOP underwritten by Hiscox Insurance Company Inc.; technology classes including IT consultants and software development. Accessed 2026-09-16.
Sources About Marsh McLennan Agency
- Who We Are. Marsh McLennan Agency; Lines 193-195: ‘a business of Marsh’ and company-listed service lines across US and Canada. This does not establish the legal entity for an account, corporate ownership chart, or insurer role. Accessed 2026-09-29.
- Small Business Insurance Solutions. Marsh McLennan Agency; Lines 205-207: small-business audience and call invitation; lines 224-249 list six coverage categories and short descriptions; line 264 is an embedded form whose function is not stated. No form submitted. Accessed 2026-09-29.
- Executive and Professional Liability | MMA. Marsh McLennan Agency; E&O, architects and engineers, and lawyers professional lines are named in the policy suite. Accessed 2026-09-30.
Sources for the Professional Liability (E&O) Insurance Guide
- FAQ: Professional liability insurance. Texas Department of Insurance; What’s professional liability coverage?; What types of damages…; What’s general liability insurance?; Do I need professional liability… if I have general liability…?; Is professional liability insurance required?; Can a client require…?; What’s the difference between occurrence policies and claims-made policies. Accessed 2026-09-16.
- Professional liability insurance. Insurance Information Institute; Opening paragraphs (professional services/advice and E&O name); Claims not covered by general liability; What types of businesses need professional liability insurance?; What’s covered… and what’s not (claims-made versus occurrence, defense and judgments, non-financial/intentional limits, BOP/in-home exclusion). Accessed 2026-09-16.
- Get business insurance. U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
- Professional Liability – US Direct Errors and Omissions Insurance. Hiscox Inc. specimen; About this Policy / Coverage for Claims Made Against You; I.A Insuring Agreement; I.B Defense; I.C Settlement; II.A Notice of Claims; II.C Optional Extended Reporting Period; III.A, III.K, III.M, III.R, III.S Exclusions; IV.A–B Limits and Deductible; VI.O Professional Services; VI.U Wrongful Act. Accessed 2026-09-16.
