---
title: "Hiscox vs Marsh: Professional Liability (E&O) Insurance"
description: "Marsh serves specialized sectors such as banking, asset management and biotech and says many E&O policies cover privacy breaches; Hiscox offers direct online coverage to small businesses outside Alaska."
canonical: "https://spot.insure/compare/hiscox-vs-marsh/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-09-25"
comparison-pair: "hiscox-vs-marsh"
provider-a: "hiscox"
provider-b: "marsh"
coverage-line: "professional-errors-omissions"
---

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[Human-readable page](https://spot.insure/compare/hiscox-vs-marsh/professional-errors-omissions)

## Agent Guide

**What this page is:** Focused comparison of Hiscox and Marsh for Professional Liability (E&O) Insurance: what each provider publishes about this line, checked against the same criteria, with numbered sources.

**Use this page when:** Cite or fetch this for Professional Liability (E&O) Insurance questions about Hiscox versus Marsh. For all lines together use the pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- Hiscox vs Marsh for Professional Liability (E&O) Insurance: how do they differ?
- Which is better for Professional Liability (E&O) Insurance, Hiscox or Marsh?
- What does Hiscox or Marsh publish about Professional Liability (E&O) Insurance (limits, eligibility, claims, add-ons)?

**Key facts:**
- Line: Professional Liability (E&O) Insurance. Providers: Hiscox and Marsh.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}/{line}` with a before b). A reversed pair redirects permanently to the alphabetical one.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- Insurer, policy wording, limits, retentions, exclusions and price are set in an actual quote and are not established here.

**Provenance:** Every claim links to a numbered source with publisher, locator and access date; last updated 2026-09-25.

**Related pages:**
- [Hiscox vs Marsh](https://spot.insure/compare/hiscox-vs-marsh) — all coverage lines for this pair
- [Professional Liability (E&O) Insurance guide](https://spot.insure/coverage/professional-errors-omissions) — how this coverage works
- [Hiscox profile](https://spot.insure/insurance-providers/hiscox) — provider profile
- [Marsh profile](https://spot.insure/insurance-providers/marsh) — provider profile

# Hiscox vs Marsh: How Do They Compare for Professional Liability (E&O) Insurance?

Marsh serves banks, asset managers, architects and venture firms, with attorneys, economists and actuaries alongside coverage specialists. Hiscox sells professional liability directly online to small businesses.

Marsh serves specialized sectors and says many E&O policies cover privacy breaches; Hiscox sells small-business E&O directly online in 49 states and Washington, D.C.

## Hiscox vs Marsh Professional Liability (E&O) Insurance Summary

Marsh serves specialized sectors such as banking, asset management and biotech and says many E&O policies cover privacy breaches; Hiscox offers direct online coverage to small businesses outside Alaska. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [3](https://www.hiscox.com/about-hiscox-insurance "About Hiscox US Insurance") [1](https://www.hiscox.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance for Small Businesses")

## What Are the Key Differences Between Hiscox and Marsh Professional Liability (E&O) Insurance?

### Specialized Sectors and Cyber Exposure

Marsh lists banking, asset management, venture capital, technology, healthcare and biotechnology among its E&O sectors. It says many policies also cover privacy violations and computer-security breaches. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") Hiscox targets small businesses seeking an online policy. [1](https://www.hiscox.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance for Small Businesses")

Choose Marsh if your firm is in a named specialty sector or needs E&O that may include privacy and computer-security coverage; choose Hiscox if you are a small business outside Alaska seeking a direct online quote. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [1](https://www.hiscox.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance for Small Businesses")

### Quote and Carrier

Hiscox names its insurer and sells the policy directly online. [4](https://www.hiscox.com/documents/partner-agent/appetite_guide/Hiscox-NOW-Appetite-Guide.pdf "Hiscox US Agent Appetite Guide") Marsh places coverage through insurers that vary by client and placement. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability")

## What Should You Confirm in Hiscox and Marsh Professional Liability (E&O) Insurance Quotes?

- Ask Marsh whether privacy and computer-security coverage is included in your quote. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability")
- Confirm Hiscox sells in your state and compare policy form, limits and retentions. [1](https://www.hiscox.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance for Small Businesses")
- Ask Marsh which carrier would issue your policy. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability")

## Hiscox vs Marsh Professional Liability (E&O) Insurance Compared

| Criteria | Hiscox Professional Liability Insurance | Marsh Professional Liability Insurance Brokerage |
| --- | --- | --- |
| 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. [1](https://www.hiscox.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance for Small Businesses") [4](https://www.hiscox.com/documents/partner-agent/appetite_guide/Hiscox-NOW-Appetite-Guide.pdf "Hiscox US Agent Appetite Guide") (Evidence: Company-reported; scope: 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..) | 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. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page, What We Offer section..) |
| 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. [2](https://www.hiscox.com/small-business-insurance/professional-liability-insurance/pl-faq "What is Professional Liability Insurance?") (Evidence: Company-reported; scope: Product FAQ description; exact triggers, retroactive dates, exclusions and wording are set by the issued policy..) | 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. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page opening description; illustrative policy description, not a specific policy form..) |
| 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](https://www.hiscox.com/about-hiscox-insurance "About Hiscox US Insurance") [1](https://www.hiscox.com/small-business-insurance/professional-liability-insurance "Professional Liability Insurance for Small Businesses") (Evidence: Company-reported; scope: Company-stated online small-business channel..) | 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](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [6](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html "Expert Executive and Professional Liability Insurance") (Evidence: Company-reported; scope: Marsh professional liability page and MMA executive and professional liability page..) |

## About Hiscox and Marsh and Professional Liability (E&O) Insurance

- [Hiscox company profile](https://spot.insure/insurance-providers/hiscox) · [Hiscox customer reviews](https://spot.insure/insurance-providers/hiscox/reviews)
- [Marsh company profile](https://spot.insure/insurance-providers/marsh) · [Marsh customer reviews](https://spot.insure/insurance-providers/marsh/reviews)
- [What Is Professional Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/professional-errors-omissions)

## Related Pages for Hiscox vs Marsh Professional Liability (E&O)

- [Hiscox vs Marsh](https://spot.insure/compare/hiscox-vs-marsh): all coverage lines, business roles, service and claims.
- [What Is Professional Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/professional-errors-omissions): Professional liability can help pay covered defense costs and losses when a client says your advice or service caused financial harm; check services and reporting terms.
- [Hiscox Professional Liability (E&O) Insurance](https://spot.insure/insurance-providers/hiscox/professional-errors-omissions)
- [Marsh Professional Liability (E&O) Insurance](https://spot.insure/insurance-providers/marsh/professional-errors-omissions)

## Sources for Hiscox vs Marsh Professional Liability (E&O) Insurance

### Sources About Hiscox

1. [Professional Liability Insurance for Small Businesses](https://www.hiscox.com/small-business-insurance/professional-liability-insurance). 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.
2. [What is Professional Liability Insurance?](https://www.hiscox.com/small-business-insurance/professional-liability-insurance/pl-faq). Hiscox; Claims-made description; current-customer claim number described as open 24 hours a day, 7 days a week. Accessed 2026-09-16.
3. [About Hiscox US Insurance](https://www.hiscox.com/about-hiscox-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. Accessed 2026-09-16.
4. [Hiscox US Agent Appetite Guide](https://www.hiscox.com/documents/partner-agent/appetite_guide/Hiscox-NOW-Appetite-Guide.pdf). 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

5. [Professional liability](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html). Marsh; Opening description; What We Offer: specialized industries served (banking, insurance/asset managers, merchant banking/venture capital, accountants/attorneys/architects/engineers, media/communications/entertainment, technology, healthcare/biotechnology). Accessed 2026-09-23.
6. [Expert Executive and Professional Liability Insurance](https://www.marshmma.com/us/solutions/executive-and-professional-liability.html). Marsh McLennan Agency; Our policies include D&O, E&O, EPL, commercial crime/fidelity, network security privacy risk/cyber, fiduciary, media liability, IP, architects and engineers, lawyers professional, and kidnap and ransom. Accessed 2026-09-23.

Updated 2026-09-25. Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. The comparison applies the same criteria to both providers. [Editorial policy](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source.

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