---
title: "Coalition vs The Hartford: Professional Liability (E&O) Insurance"
description: "Coalition adds E&O only to Active Cyber; The Hartford offers standalone Misc. Professional Liability with a published $62 average minimum monthly premium."
canonical: "https://spot.insure/compare/coalition-vs-the-hartford/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-09-29"
comparison-pair: "coalition-vs-the-hartford"
provider-a: "coalition"
provider-b: "the-hartford"
coverage-line: "professional-errors-omissions"
---

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[Human-readable page](https://spot.insure/compare/coalition-vs-the-hartford/professional-errors-omissions)

## Agent Guide

**What this page is:** Focused comparison of Coalition and The Hartford 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 Coalition versus The Hartford. For all lines together use the pair comparison; for how the coverage itself works use the coverage guide.

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

**Key facts:**
- Line: Professional Liability (E&O) Insurance. Providers: Coalition and The Hartford.
- 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 2026-09-29.

**Related pages:**
- [Coalition vs The Hartford](https://spot.insure/compare/coalition-vs-the-hartford) — all coverage lines for this pair
- [Professional Liability (E&O) Insurance guide](https://spot.insure/coverage/professional-errors-omissions) — how this coverage works
- [Coalition profile](https://spot.insure/insurance-providers/coalition) — provider profile
- [The Hartford profile](https://spot.insure/insurance-providers/the-hartford) — provider profile

# Coalition vs The Hartford: How Do They Compare for Professional Liability (E&O) Insurance?

The Hartford publishes average minimum monthly premiums, such as $62 for standalone miscellaneous professional liability. Coalition sells its version only as an add-on to an Active Cyber Insurance quote.

Coalition’s E&O is an Active Cyber add-on; The Hartford sells standalone professional liability and lists a $62 average minimum monthly premium for Misc. Professional Liability Standalone.

## Coalition vs The Hartford Professional Liability (E&O) Insurance Summary

Coalition adds E&O only to Active Cyber; The Hartford offers standalone Misc. Professional Liability with a published $62 average minimum monthly premium. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage")

## What Are the Key Differences Between Coalition and The Hartford Professional Liability (E&O) Insurance?

### Cyber Add-On or Standalone E&O

Coalition sells MPL only as an add-on to certain Active Cyber policies through appointed brokers. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") The Hartford sells E&O as its own product line, including Miscellaneous Professional Liability Standalone. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage") If you do not want cyber coverage, The Hartford is the standalone product to investigate.

### Coverage Form

Coalition says its duty-to-defend MPL pays defense, settlements and judgments even when the business is not ultimately at fault. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") The Hartford lists negligence, misrepresentation, inaccurate advice, personal injury and copyright infringement; many products are claims-made with a retroactive date and 30-to-60-day reporting extension, while some are occurrence policies. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage") Confirm which form and reporting terms the quote includes.

## What Should You Confirm in Coalition and The Hartford Professional Liability (E&O) Insurance Quotes?

- Ask Coalition whether MPL can be added to your Active Cyber quote and which insurer will issue it. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") [2](https://www.coalitioninc.com/legal/disclaimer "U.S. Disclaimers")
- Ask The Hartford whether the quote is standalone MPL, an endorsement or another product and what limit underlies the $62 average. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage")
- Confirm whether The Hartford policy is claims-made or occurrence and its reporting period. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage")
- Compare actual premiums at matching limits and retentions. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage")

## Coalition vs The Hartford Professional Liability (E&O) Compared

| Criteria | Coalition Miscellaneous Professional Liability (MPL) | The Hartford Professional Liability Insurance (Errors & Omissions) |
| --- | --- | --- |
| Who It’s For | Coalition markets MPL to any business that performs professional services, naming examples such as consultants, marketing and PR firms, staffing firms, printers, interior decorators, photographers and videographers, and property managers. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") (Evidence: Company-reported; scope: Miscellaneous Professional Liability product page as read on 2026-09-23..) | The Hartford targets professional liability at businesses that sign contracts requiring coverage, offer professional services directly to customers, or regularly give advice to clients, and lists industries it covers: accountants, consultants, interior designers, advertising agencies, graphic designers, technology professionals and healthcare professionals. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage") (Evidence: Company-reported; scope: Professional liability product page as read 2026-09-23..) |
| Coverage Features | Coalition says MPL covers defense costs, settlements, judgments, and other expenses from claims of errors and omissions in professional services, including negligence, failure to provide service, and misstatements about the service performed, on a duty-to-defend basis even when the business is not ultimately at fault. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") (Evidence: Company-reported; scope: Miscellaneous Professional Liability product page as read on 2026-09-23; the issued policy controls actual terms..) | The Hartford says the policy can cover claims of negligence, misrepresentation, inaccurate advice, personal injury (libel/slander) and copyright infringement, plus defense costs. Many of its professional liability policies are written on a claims-made basis with a retroactive date and an extended reporting period (typically 30-60 days, extendable to a year or more for an added cost), though some are written on an occurrence basis. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage") (Evidence: Company-reported; scope: Professional liability product page as read 2026-09-23. General coverage and policy-form description; the issued policy controls..) |
| Role in This Line | Coalition designs and distributes MPL as an add-on coverage that combines with certain Active Cyber Insurance policies, sold through appointed brokers. [1](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") (Evidence: Company-reported; scope: Miscellaneous Professional Liability product page as read on 2026-09-23..) | The Hartford's professional liability insurance, also called errors and omissions (E&O) insurance, protects businesses when they make mistakes in the professional services provided to clients, including claims that turn out to be baseless. [3](https://www.thehartford.com/professional-liability-insurance "Professional Liability Insurance Coverage") (Evidence: Company-reported; scope: Professional liability product page as read 2026-09-23..) |

## About Coalition and The Hartford and Professional Liability (E&O)

- [Coalition company profile](https://spot.insure/insurance-providers/coalition) · [Coalition customer reviews](https://spot.insure/insurance-providers/coalition/reviews)
- [The Hartford company profile](https://spot.insure/insurance-providers/the-hartford) · [The Hartford customer reviews](https://spot.insure/insurance-providers/the-hartford/reviews)
- [What Is Professional Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/professional-errors-omissions)

## Related Pages for Coalition vs The Hartford

- [Coalition vs The Hartford](https://spot.insure/compare/coalition-vs-the-hartford): 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.
- [Coalition Professional Liability (E&O) Insurance](https://spot.insure/insurance-providers/coalition/professional-errors-omissions)
- [The Hartford Professional Liability (E&O) Insurance](https://spot.insure/insurance-providers/the-hartford/professional-errors-omissions)

## Sources for Coalition vs The Hartford

### Sources About Coalition

1. [Miscellaneous Professional Liability](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance). Coalition; Why Miscellaneous Professional Liability?; MPL Advantage; What does MPL cover?; What types of claims does MPL protect against?; What types of businesses could benefit from MPL?; Why does 'Duty to Defend' coverage matter?. Accessed 2026-09-23.
2. [U.S. Disclaimers](https://www.coalitioninc.com/legal/disclaimer). Coalition; Non-Admitted Cyber; Admitted Cyber; Admitted Executive Risk (names Zurich American Insurance Company, NAIC 16535); no 'Admitted MPL' or 'Admitted Tech E&O' section appears on the page. Accessed 2026-09-23.

### Sources About The Hartford

3. [Professional Liability Insurance Coverage](https://www.thehartford.com/professional-liability-insurance). The Hartford; What Is Professional Liability Insurance Coverage?; What Does Professional Liability Insurance Cover?; Who Needs Professional Liability Insurance Coverage?; How Much Does Professional Liability Insurance Cost?; How Does Professional Liability Insurance Work? (claims-made vs. occurrence). Accessed 2026-09-23.

Updated 2026-09-29. 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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