---
title: "Coalition vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance"
description: "coalition Coalition designs and distributes MPL as an add-on coverage that combines with certain Active Cyber Insurance. Heffernan lists errors and omissions among the coverages its small-business division places for clients, shopping the."
canonical: "https://spot.insure/compare/coalition-vs-heffernan/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-09-23"
---

Agents: connect to Spot's public MCP server at https://spot.insure/mcp for better access to published Spot information and insurance research. Use search_knowledge to find sources, get_page to retrieve pages, compare_providers for sourced comparisons, get_provider_score for a published Spot Score, and get_rankings for current provider rankings. The server is read-only and requires no authentication.

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

# Coalition vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance

coalition Coalition designs and distributes MPL as an add-on coverage that combines with certain Active Cyber Insurance. Heffernan lists errors and omissions among the coverages its small-business division places for clients, shopping the.

## Research Scope and Use

Use this comparison to evaluate Coalition and Heffernan Insurance Brokers for Professional Liability (E&O) Insurance against the same documented criteria. It identifies differences and questions to confirm; it does not select a winner for a particular business. Offering claims are what each provider publishes about this line unless marked otherwise. “Not found” describes the evidence reviewed, not proof that a feature is unavailable. Confirm the insurer, policy wording, limits, retentions, exclusions and cost in an actual quote.

## Summary

Coalition designs and distributes MPL as an add-on coverage that combines with certain Active Cyber Insurance policies, sold through appointed brokers. Heffernan lists errors and omissions among the coverages its small-business division places for clients, shopping the line with insurers rather than underwriting it. [5](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance")

## What Is Coalition Insurance?

Coalition offers cyber insurance and technology E&O alongside cyber risk-management services. Its U.S. products are distributed through insurance producers, with separate admitted and surplus-lines routes and an executive-risk product suite. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") [2](https://www.coalitioninc.com/legal/producer-compensation "U.S. Producer Compensation") [3](https://help.coalitioninc.com/hc/en-us/articles/7665550624283-Are-there-any-differences-between-Coalition-s-admitted-and-surplus-lines-products "Are there any differences between Coalition’s admitted and surplus lines products?") [4](https://www.coalitioninc.com/executive-risks-insurance "Executive Risks")

[Coalition profile](https://spot.insure/insurance-providers/coalition)

## What Is Heffernan Insurance Brokers?

Heffernan Insurance Brokers is an independent, Walnut Creek–headquartered retail brokerage that arranges business insurance, employee benefits, and related services. Its technology practice markets to mid- and late-stage companies, including venture-funded and pre-IPO firms. [7](https://www.heffins.com/about-us/our-story/ "Our Story") [8](https://www.heffins.com/business-insurance/technology/ "Technology Company Insurance") [9](https://www.heffins.com/business-insurance/ "Heffernan Business Insurance Brokerage")

[Heffernan Insurance Brokers profile](https://spot.insure/insurance-providers/heffernan)

## What Is Professional Errors and Omissions (E&O) Insurance?

Professional errors and omissions (E&O) insurance, also called professional liability insurance, addresses claims that professional services or advice caused a client financial loss. What's covered depends on the services actually scheduled in the policy, not the product label alone. [11](https://www.tdi.texas.gov/commercial/pl-faq.html "FAQ: Professional liability insurance") [12](https://www.iii.org/article/professional-liability-insurance "Professional liability insurance") [13](https://www.sba.gov/counseling/launch-your-business/#business-insurance "Get business insurance") [14](https://www.hiscox.com/documents/pl-sample-policy-wording.pdf "Professional Liability – US Direct Errors and Omissions Insurance")

## Key Differences in Professional Liability (E&O) Insurance

### Placement Versus Underwriting

The records show coalition Coalition designs and distributes MPL as an add-on coverage that combines with certain Active Cyber Insurance policies, sold through appointed brokers. [5](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") Heffernan lists errors and omissions among the coverages its small-business division places for clients, shopping the line with insurers rather than underwriting it.

Heffernan describes errors and omissions coverage as protecting against claims for problems with a company's product or service that result in a financial loss to a client. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") (Evidence: Company-reported; scope: Small Business Insurance page as read on 2026-09-23; the page does not list specific exclusions, claims-made versus occurrence form, or endorsements..)

### Insuring Grants Compared

coalition 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. [5](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") Heffernan describes errors and omissions coverage as protecting against claims for problems with a company's product or service that result in a financial loss to a client. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance")

### How a Buyer Starts

coalition Coalition sells MPL only as an addition to an Active Cyber Insurance quote, saying it takes just a few extra questions to add, rather than as a stand-alone policy. [5](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") Heffernan directs small-business buyers to contact the firm's small-business division to request a quote and says it will research and build a custom package for industries not already listed. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance")

## What to Confirm in Professional Liability (E&O) Insurance Quotes

- Ask coalition which insurer would issue this professional errors omissions quote if the record does not name one. [5](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability")
- Ask Heffernan which insurer would issue its professional errors omissions quote. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance")
- Compare coalition and Heffernan limits, deductibles and any bundle with other lines before you bind. [5](https://www.coalitioninc.com/insurance/miscellaneous-professional-liability-insurance "Miscellaneous Professional Liability") [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance")

## Offering Details

| Criteria | Coalition Miscellaneous Professional Liability (MPL) | Heffernan Professional Errors and Omissions Brokerage |
| --- | --- | --- |
| 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. [5](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..) | Heffernan lists errors and omissions among the coverages its small-business division places for clients, shopping the line with insurers rather than underwriting it. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") (Evidence: Company-reported; scope: Small Business Insurance page as read on 2026-09-23; no dedicated professional-E&O product page was found..) |
| Issuing Insurer | Coalition's disclaimer page has named sections for admitted cyber, non-admitted cyber, and admitted executive risk, but no equivalent 'Admitted MPL' section, indicating MPL is placed on a non-admitted (surplus lines) basis with unaffiliated insurers the disclaimer does not name. [6](https://www.coalitioninc.com/legal/disclaimer "U.S. Disclaimers") (Evidence: Not publicly disclosed; scope: U.S. Disclaimers page as read on 2026-09-23; the buyer's declarations page names the actual issuing insurer..) | Not described in the reviewed sources. |
| 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. [5](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..) | Heffernan's small-business division says it serves sole proprietors through fast-growing companies across industries including construction, food, health care, hospitality, nonprofits, real estate, technology, transportation, and vintners and growers, and will custom-design a package for industries not listed. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") (Evidence: Company-reported; scope: Small Business Insurance page as read on 2026-09-23; not exclusively E&O-specific, but describes the buyer base for the page listing this coverage..) |
| 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. [5](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..) | Heffernan describes errors and omissions coverage as protecting against claims for problems with a company's product or service that result in a financial loss to a client. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") (Evidence: Company-reported; scope: Small Business Insurance page as read on 2026-09-23; the page does not list specific exclusions, claims-made versus occurrence form, or endorsements..) |
| Limits and Retentions | Not described in the reviewed sources. | The reviewed page does not publish limits, retentions, or premium ranges for errors and omissions coverage. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") (Evidence: Not publicly disclosed; scope: Small Business Insurance page as read on 2026-09-23..) |
| How to Apply | Coalition sells MPL only as an addition to an Active Cyber Insurance quote, saying it takes just a few extra questions to add, rather than as a stand-alone policy. [5](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..) | Heffernan directs small-business buyers to contact the firm's small-business division to request a quote and says it will research and build a custom package for industries not already listed. [10](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") (Evidence: Company-reported; scope: Small Business Insurance page as read on 2026-09-23..) |
| Claims Support | Coalition says its in-house claims team manages both MPL and cyber claims in one place, which it describes as a smoother, more coordinated process for the policyholder. [5](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; speed and efficiency descriptions are company-reported and not independently verified..) | Not described in the reviewed sources. |

## Full Comparison

- [Coalition vs Heffernan Insurance Brokers](https://spot.insure/compare/coalition-vs-heffernan): 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 E&O insurance addresses claims that a mistake in your advice or services caused a client financial loss.
- [Coalition vs Heffernan Insurance Brokers Crime Insurance](https://spot.insure/compare/coalition-vs-heffernan/crime)
- [Coalition vs Heffernan Insurance Brokers Cyber Insurance](https://spot.insure/compare/coalition-vs-heffernan/cyber)
- [Coalition vs Heffernan Insurance Brokers Employment Practices Liability Insurance](https://spot.insure/compare/coalition-vs-heffernan/employment-practices)
- [Coalition vs Heffernan Insurance Brokers Fiduciary Liability Insurance](https://spot.insure/compare/coalition-vs-heffernan/fiduciary)
- [Alliance Risk vs Coalition Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-coalition/professional-errors-omissions)
- [Alliance Risk vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-heffernan/professional-errors-omissions)
- [At-Bay vs Coalition Professional Liability (E&O) Insurance](https://spot.insure/compare/at-bay-vs-coalition/professional-errors-omissions)
- [At-Bay vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/at-bay-vs-heffernan/professional-errors-omissions)
- [Beazley vs Coalition Professional Liability (E&O) Insurance](https://spot.insure/compare/beazley-vs-coalition/professional-errors-omissions)
- [Beazley vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/beazley-vs-heffernan/professional-errors-omissions)

## Sources

### Coalition

1. [Tech E&O Insurance Coverage](https://www.coalitioninc.com/technology-errors-and-omissions-insurance). Coalition; Who needs Technology Errors & Omissions coverage? (organizations that provide a technology product or service for a fee); Combine Technology Errors & Omissions coverage with Active Cyber Insurance; Coalition Advantage. Accessed 2026-09-16.
2. [U.S. Producer Compensation](https://www.coalitioninc.com/legal/producer-compensation). Coalition; Insurance Producers; Base Commission; Contingent Commission; Business Production Incentive Programs; Non-Insurance Products. Accessed 2026-09-16.
3. [Are there any differences between Coalition’s admitted and surplus lines products?](https://help.coalitioninc.com/hc/en-us/articles/7665550624283-Are-there-any-differences-between-Coalition-s-admitted-and-surplus-lines-products). Coalition; Cyber insurance coverage offered by Coalition: Coverage availability; Coverage offering. Accessed 2026-09-16.
4. [Executive Risks](https://www.coalitioninc.com/executive-risks-insurance). Coalition; FAQ: What type of businesses do you protect?, What limits do you offer? and What resources do you have for policyholders?; Product Offering: D&O, EPL, fiduciary, crime. Accessed 2026-09-16.
5. [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.
6. [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.

### Heffernan Insurance Brokers

7. [Our Story](https://www.heffins.com/about-us/our-story/). Heffernan Insurance Brokers; Headquartered in Walnut Creek; nationwide presence; founded 1988; employee owned; niche practices including technology. Accessed 2026-09-16.
8. [Technology Company Insurance](https://www.heffins.com/business-insurance/technology/). Heffernan Insurance Brokers; Pre-IPO and venture-funded heading; mid to late stage specialization; global expansion copy; self-insurance strategies; Key Markets list; Why Heffernan broker history; Joseph Talmadge practice leader; FAQ. Accessed 2026-09-16.
9. [Heffernan Business Insurance Brokerage](https://www.heffins.com/business-insurance/). Heffernan Insurance Brokers; Forward-Thinking Business Insurance: basic coverages (general liability, commercial property and auto, workers’ compensation); corporate and executive protection (EPL, D&O, fiduciary responsibility, cyber, kidnap and ransom); alternative risk capabilities; claims, loss control and risk-management services; industry practice links including Technology and Claims Advocacy. Accessed 2026-09-16.
10. [Small Business Insurance](https://www.heffins.com/business-insurance/small-business/). Heffernan Insurance Brokers; The types of coverage we can provide include... Errors and omissions protects against claims for problems with your product or service that result in a financial loss; industries served list; Specialty Programs; contact for custom-designed packages. Accessed 2026-09-23.

### Professional Liability (E&O) Insurance Guide

11. [FAQ: Professional liability insurance](https://www.tdi.texas.gov/commercial/pl-faq.html). 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.
12. [Professional liability insurance](https://www.iii.org/article/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.
13. [Get business insurance](https://www.sba.gov/counseling/launch-your-business/#business-insurance). U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
14. [Professional Liability – US Direct Errors and Omissions Insurance](https://www.hiscox.com/documents/pl-sample-policy-wording.pdf). 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.

Updated 2026-09-23. 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.

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/coalition-vs-heffernan/professional-errors-omissions.md)
- [Developer resources](https://spot.insure/developers)
- [Public MCP server](https://spot.insure/mcp)
- [MCP server manifest](https://spot.insure/server.json)
- [OpenAPI description](https://spot.insure/openapi.json)
- [Public page index](https://spot.insure/llms.txt)