Heffernan Insurance Brokers vs 
Markel Insurance: How Do They Compare for Professional Liability (E&O) Insurance?
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. 1,2,3
Read the Heffernan Insurance Brokers profile
Read the Heffernan Insurance Brokers Professional Liability (E&O) Insurance page
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. 5,6
Read the Markel Insurance profile
Read the Markel Insurance 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. 8,9,10,11
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 7
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 7
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.
Review Scores
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.
Heffernan Insurance Brokers
Review Score
1 rated source
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.[6][7][8]
Read Heffernan Insurance Brokers reviewsMarkel Insurance
Review Score
2 rated sources
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.[4][3]
Read Markel Insurance reviewsOffering Details
Heffernan Insurance Brokers vs Markel Insurance: Professional Liability (E&O) Insurance: documented features by provider
| 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. 4Company-reported. 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. 7Company-reported. 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. 4Company-reported. 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. 7Company-reported. 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. 4Company-reported. 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. 7Company-reported. 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. 4Not publicly disclosed. 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. 7Company-reported. 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. 4Company-reported. 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. 7Company-reported. 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
More Heffernan Insurance Brokers vs Markel Insurance Comparisons
Other Professional Liability (E&O) Insurance Comparisons
Sources
Heffernan Insurance Brokers
- Our Story. Heffernan Insurance Brokers; Headquartered in Walnut Creek; nationwide presence; founded 1988; employee owned; niche practices including technology. Accessed 2026-09-16.
- Technology Company Insurance. 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.
- Heffernan Business Insurance Brokerage. 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.
- Small Business Insurance. 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
- About us. Markel; Markel at a glance; description of Markel Insurance within Markel Group Inc. Accessed 2026-09-28.
- Markel Group Inc. 2025 Form 10-K. 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.
- ProBiz | Professional Liability Coverage. 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
- 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.
