---
title: "Heffernan Insurance Brokers vs Markel Insurance: Professional Liability (E&O) Insurance"
description: "Compare Heffernan's E&O placement across small-business industries with Markel's targeted small-business product and stated limit."
canonical: "https://spot.insure/compare/heffernan-vs-markel/professional-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-09-30"
comparison-pair: "heffernan-vs-markel"
provider-a: "heffernan"
provider-b: "markel"
coverage-line: "professional-errors-omissions"
---

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

## Agent Guide

**What this page is:** Focused comparison of Heffernan Insurance Brokers and Markel Insurance 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 Heffernan Insurance Brokers versus Markel Insurance. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- Heffernan Insurance Brokers vs Markel Insurance for Professional Liability (E&O) Insurance: how do they differ?
- Which is better for Professional Liability (E&O) Insurance, Heffernan Insurance Brokers or Markel Insurance?
- What does Heffernan Insurance Brokers or Markel Insurance publish about Professional Liability (E&O) Insurance (limits, eligibility, claims, add-ons)?
- What should I confirm in a quote for Professional Liability (E&O) Insurance from Heffernan Insurance Brokers or Markel Insurance?

**Key facts:**
- Line: Professional Liability (E&O) Insurance. Providers: Heffernan Insurance Brokers and Markel Insurance.
- Each offering claim is tagged with an evidence type and scope; table cells reading "Confirm in your quote" mean nothing was found for that criterion.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}` with a before b). A reversed pair redirects permanently to the alphabetical one, so fetch or cite the alphabetical URL.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- "Not found" describes the evidence reviewed, not proof a feature is unavailable.
- 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 in the Sources section; last updated 2026-09-30. Editorial policy: /editorial-policy.

**Related pages:**
- [Heffernan Insurance Brokers vs Markel Insurance](https://spot.insure/compare/heffernan-vs-markel) — parent: all coverage lines for this pair
- [Professional Liability (E&O) Insurance guide](https://spot.insure/coverage/professional-errors-omissions) — coverage explainer for this line
- [Heffernan Insurance Brokers profile](https://spot.insure/insurance-providers/heffernan) — provider profile (evidence)
- [Markel Insurance profile](https://spot.insure/insurance-providers/markel) — provider profile (evidence)
- [Heffernan Insurance Brokers vs Markel Insurance Builders Risk Insurance](https://spot.insure/compare/heffernan-vs-markel/builders-risk) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Cargo and Transit Insurance](https://spot.insure/compare/heffernan-vs-markel/cargo-transit) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Commercial Property Insurance](https://spot.insure/compare/heffernan-vs-markel/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Crime Insurance](https://spot.insure/compare/heffernan-vs-markel/crime) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Cyber Insurance](https://spot.insure/compare/heffernan-vs-markel/cyber) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Employment Practices Liability Insurance](https://spot.insure/compare/heffernan-vs-markel/employment-practices) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Fiduciary Liability Insurance](https://spot.insure/compare/heffernan-vs-markel/fiduciary) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance General Liability Insurance](https://spot.insure/compare/heffernan-vs-markel/general-liability) — sibling comparison (other line, or other pair for this line)
- [Heffernan Insurance Brokers vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/heffernan-vs-markel/workers-compensation) — sibling comparison (other line, or other pair for this line)
- [AIG vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-heffernan/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [AIG vs Markel Insurance Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-markel/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-heffernan/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Markel Insurance Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-markel/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Aon vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-heffernan/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [Aon vs Markel Insurance Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-markel/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)

# Heffernan Insurance Brokers vs Markel Insurance: How Do They Compare for Professional Liability (E&O) Insurance?

Compare Heffernan's E&O placement across small-business industries with Markel's targeted small-business product and stated limit.

## Research Scope and Use

Use this comparison to evaluate Heffernan Insurance Brokers and Markel Insurance 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

Heffernan shops E&O with insurers for sole proprietors through fast-growing businesses across industries; Markel describes targeted miscellaneous E&O for businesses up to $5 million revenue and a $2 million maximum. [4](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage")

## What Is Heffernan Insurance Brokers?

Heffernan’s technology practice targets mid- and late-stage, venture-funded and pre-IPO companies; early-stage firms seeking a direct online quote should compare digital providers. It also offers claims consulting and workers’ compensation support. [1](https://www.heffins.com/about-us/our-story/ "Our Story") [2](https://www.heffins.com/business-insurance/technology/ "Technology Company Insurance") [3](https://www.heffins.com/business-insurance/ "Heffernan Business Insurance Brokerage")

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

## Markel Insurance: Specialty Business and Products

Markel Insurance is Markel Group's specialty and small-business insurance business, with offerings across packages, workers' compensation, cyber, professional and management liability, property, marine, and surety. Products use different insurers and distribution routes, so compare the issuer and terms shown on the specific quote. [5](https://www.markel.com/about-us "About us") [6](https://www.sec.gov/Archives/edgar/data/1096343/000109634326000020/mkl-20251231.htm "Markel Group Inc. 2025 Form 10-K")

[Markel Insurance profile](https://spot.insure/insurance-providers/markel)

## 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. [8](https://www.tdi.texas.gov/commercial/pl-faq.html "FAQ: Professional liability insurance") [9](https://www.iii.org/article/professional-liability-insurance "Professional liability insurance") [10](https://www.sba.gov/counseling/launch-your-business/#business-insurance "Get business insurance") [11](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

### Industry range and placement

Heffernan's small-business division places E&O with insurers for sole proprietors through fast-growing companies, listing construction, food, healthcare, hospitality, nonprofit, real estate, technology, transportation and vintner businesses. It says it can build a custom package for industries not listed. Markel describes miscellaneous E&O for targeted small businesses, with the source noting revenue up to $5 million and a $2 million product-page maximum. A business in an unlisted sector can ask Heffernan to assess a custom placement and compare Markel's appetite. [4](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage")

### Claim focus and application

Heffernan describes E&O as responding to product or service problems that cause financial loss to a client and directs buyers to request a quote from its small-business division. Markel describes covered professional-services claims and invites contact with its company or underwriting team. Ask each to identify the insurer and exclusions for your specific work. [4](https://www.heffins.com/business-insurance/small-business/ "Small Business Insurance") [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage")

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

- Ask Heffernan how its insurer panel will handle your industry and whether it can build the package around your client contracts.
- Ask Markel for qualifying industries, revenue limits, policy exclusions and quote path.

## Offering Details

| Criteria | Heffernan Professional Errors and Omissions Brokerage | Markel professional errors omissions (official overview) |
| --- | --- | --- |
| Role in This Line | Heffernan lists errors and omissions among the coverages its small-business division places for clients, shopping the line with insurers rather than underwriting it. [4](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..) | Markel describes offering professional errors omissions for the audience stated on the cited product page. [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage") (Evidence: Company-reported; scope: professional errors omissions marketed by markel; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) |
| Who It’s For | 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. [4](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..) | Small businesses in ProBiz's targeted industries; source describes businesses up to $5 million revenue for the miscellaneous E&O product. [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage") (Evidence: Company-reported; scope: professional errors omissions marketed by markel; 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 | 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. [4](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..) | The cited product page describes miscellaneous E&O for covered claims arising from professional services, with the page describing separate E&O and management-liability products. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage") (Evidence: Company-reported; scope: professional errors omissions marketed by markel; 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 reviewed page does not publish limits, retentions, or premium ranges for errors and omissions coverage. [4](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..) | For its miscellaneous E&O product, Markel states coverage up to $2 million; this is a product-page maximum, not a promise that every applicant or quote receives that amount. [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage") (Evidence: Company-reported; scope: Markel ProBiz miscellaneous E&O marketing page; class, underwriting, policy terms, and actual quoted limit control..) |
| How to Apply | 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. [4](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 invites prospective customers or brokers to contact Markel or the named underwriting team. The page does not establish a quote, bind, or coverage-effective timeline. [7](https://www.markel.com/us/commercial/professional-and-management-liability/probiz "ProBiz | Professional Liability Coverage") (Evidence: Company-reported; scope: professional errors omissions marketed by markel; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) |

## Full Comparison

- [Heffernan Insurance Brokers vs Markel Insurance](https://spot.insure/compare/heffernan-vs-markel): 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.
- [Heffernan Insurance Brokers vs Markel Insurance Builders Risk Insurance](https://spot.insure/compare/heffernan-vs-markel/builders-risk)
- [Heffernan Insurance Brokers vs Markel Insurance Cargo and Transit Insurance](https://spot.insure/compare/heffernan-vs-markel/cargo-transit)
- [Heffernan Insurance Brokers vs Markel Insurance Commercial Property Insurance](https://spot.insure/compare/heffernan-vs-markel/commercial-property)
- [Heffernan Insurance Brokers vs Markel Insurance Crime Insurance](https://spot.insure/compare/heffernan-vs-markel/crime)
- [Heffernan Insurance Brokers vs Markel Insurance Cyber Insurance](https://spot.insure/compare/heffernan-vs-markel/cyber)
- [Heffernan Insurance Brokers vs Markel Insurance Employment Practices Liability Insurance](https://spot.insure/compare/heffernan-vs-markel/employment-practices)
- [Heffernan Insurance Brokers vs Markel Insurance Fiduciary Liability Insurance](https://spot.insure/compare/heffernan-vs-markel/fiduciary)
- [Heffernan Insurance Brokers vs Markel Insurance General Liability Insurance](https://spot.insure/compare/heffernan-vs-markel/general-liability)
- [Heffernan Insurance Brokers vs Markel Insurance Workers’ Compensation Insurance](https://spot.insure/compare/heffernan-vs-markel/workers-compensation)
- [AIG vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-heffernan/professional-errors-omissions)
- [AIG vs Markel Insurance Professional Liability (E&O) Insurance](https://spot.insure/compare/aig-vs-markel/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)
- [Alliance Risk vs Markel Insurance Professional Liability (E&O) Insurance](https://spot.insure/compare/alliance-risk-vs-markel/professional-errors-omissions)
- [Aon vs Heffernan Insurance Brokers Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-heffernan/professional-errors-omissions)
- [Aon vs Markel Insurance Professional Liability (E&O) Insurance](https://spot.insure/compare/aon-vs-markel/professional-errors-omissions)

## Sources

### Heffernan Insurance Brokers

1. [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.
2. [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.
3. [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.
4. [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.

### Markel Insurance

5. [About us](https://www.markel.com/about-us). Markel; Markel at a glance; description of Markel Insurance within Markel Group Inc.. Accessed 2026-09-28.
6. [Markel Group Inc. 2025 Form 10-K](https://www.sec.gov/Archives/edgar/data/1096343/000109634326000020/mkl-20251231.htm). U.S. Securities and Exchange Commission; filed by Markel Group Inc.; Cover page; Part I, Item 1 Business—Markel Insurance, U.S. Wholesale and Specialty, Programs and Solutions; Part II, Item 7/8 for group and segment risks. Accessed 2026-09-28.
7. [ProBiz | Professional Liability Coverage](https://www.markel.com/us/commercial/professional-and-management-liability/probiz). Markel; Miscellaneous E&O; types of covered professional-service errors; ProBiz target classes and process.. Accessed 2026-09-30.

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

8. [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.
9. [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.
10. [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.
11. [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 2026-09-30. 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.

## Heffernan Insurance Brokers Reviews

Review Score: 5.2 / 10 from 1 rated source, equally weighted.

Heffernan’s available review sample is small and local, with a low Google rating for one office. Check the team that would actually serve your business.

- Google reviews (aggregated by Birdeye): Google local listing rating (displayed by Birdeye) 2.6 (5 stars); 5 reviews. Portland office listing at 5100 S Macadam Avenue, matching the official Heffernan locations directory; Birdeye identifies the original review platform as Google. Checked 2026-09-25. [Heffernan Insurance Brokers - Portland reviews](https://reviews.birdeye.com/heffernan-insurance-brokers-144140015138058)

Reviewed 2026-09-25. [Read the sourced review](https://spot.insure/insurance-providers/heffernan/reviews).

## Markel Insurance Reviews

Review Score: 7.5 / 10 from 2 rated sources, equally weighted.

There is little public customer feedback on Markel. Trustpilot shows 2.5 out of 5 from just 5 reviews, and BBB lists 12 complaints closed in the last three years.

- J.D. Power: Commercial Lines Insurers agent satisfaction score 726 (out of 1,000). 2022 commercial-lines independent-agent satisfaction study and 2025 small-commercial customer study; these use different populations and measures Period: 2022. Checked 2026-09-29. [2025 U.S. Small Commercial Insurance Study](https://www.jdpower.com/business/press-releases/2025-us-small-commercial-insurance-study); [2022 U.S. Independent Agent Satisfaction Study](https://www.jdpower.com/sites/default/files/file/2022-10/2022134%20U.S.%20Independent%20Agent.pdf)
- Trustpilot: TrustScore 2.5 (out of 5); 5 reviews. Trustpilot brand-level page for markel.com. It mixes products and is not mapped to one legal insurer. Checked 2026-09-29. [Markel Reviews](https://www.trustpilot.com/review/markel.com)
- BBB: BBB business grade A+. BBB business profile for Markel Insurance Company headquarters/corporate-owned locations; review and complaint submissions may include other products and affiliates Checked 2026-09-29. [Markel Insurance Company Business Profile](https://www.bbb.org/us/va/glen-allen/profile/insurance-companies/markel-insurance-company-0603-4017547); [Markel Insurance Company Complaints](https://www.bbb.org/us/va/glen-allen/profile/insurance-companies/markel-insurance-company-0603-4017547/complaints)
- BBB: Complaints 12; 12 reviews. BBB profile for Markel Insurance Company; complaints may include other Markel products and affiliates and BBB says not all submissions are displayed. Period: last 3 years, as displayed 2026-09-29. Checked 2026-09-29. [Markel Insurance Company Complaints](https://www.bbb.org/us/va/glen-allen/profile/insurance-companies/markel-insurance-company-0603-4017547/complaints)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/markel/reviews).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/heffernan-vs-markel/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)