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

Harper fits consultants, agencies and tech firms that need E&O matched to a client contract, with same-day certificates. Heffernan Insurance Brokers suits sole proprietors through fast-growing companies in many industries, with custom packages for industries not listed.

Harper sells the same policy under two separate catalogue entries, Professional Liability and Errors and Omissions, while Heffernan lists errors and omissions once among several coverages on a general small-business page. ^2,^3,⁴

What Are the Key Differences Between Harper and Heffernan Insurance Brokers Professional Liability (E&O) Insurance?

Two Catalogue Names Versus One Line Item

Harper markets the identical policy under two catalogue entries, "Professional Liability" and "Errors and Omissions," stating on the E&O page that it is the same policy, just named what a given industry calls it:

Harper markets the identical policy under two catalogue entries, "Professional Liability" and "Errors and Omissions"; the E&O page states it is the same policy, just named what a given industry calls it. ^2,³Company-reported. Coverage directory listing plus the E&O page's own description; a naming convention Harper states about itself, not a distinction between two products.

Heffernan instead names errors and omissions once, as one coverage among several its small-business division places for clients. ⁴

When comparing Harper and Heffernan Insurance Brokers, the more specific product menu can make fit easier to judge before you request a quote.

Reviewing Exclusions

Harper says it reads a policy's exclusions line by line before a client buys, because two E&O policies with the same limit can respond differently to the same claim. ¹ Heffernan's page does not describe a comparable exclusions review; it summarizes coverage in one sentence, as protecting against claims that a product or service problem caused a client's financial loss. ⁴

Who Each Brokerage Names as a Fit

Harper targets consultants, agencies, tech firms and licensed professionals whose work product is advice, design or a decision, distinguishing the line from general liability in its FAQ. ¹ Heffernan instead says its small-business division serves sole proprietors through fast-growing companies across construction, food, health care, hospitality, nonprofits, real estate, technology, transportation, and vintners and growers. ⁴

What Should You Confirm in Harper and Heffernan Insurance Brokers Professional Liability (E&O) Insurance Quotes?

Harper says it checks exclusions line by line before you buy; ask to see that comparison for your specific policy. ¹
Heffernan's page groups E&O with other small-business coverages rather than giving it a dedicated form; ask whether your submission gets profession-specific underwriting. ⁴
Heffernan's reviewed page names no carrier for the E&O it shops, and Harper's pages name none either; ask both directly. ⁴ ¹
Ask Heffernan for a specific limit and premium range for your industry, since its page gives neither, and ask Harper the same. ⁴ ¹

Harper vs Heffernan Insurance Brokers Professional Liability (E&O) Compared

Harper vs Heffernan Insurance Brokers: Professional Liability (E&O) Insurance: documented features by provider

Criteria	Harper Professional Liability Insurance	Heffernan Professional Errors and Omissions Brokerage
Who It’s For	Harper targets consultants, agencies, tech firms and licensed professionals whose work product is advice, design or a decision, since general liability doesn't cover a client claiming that work caused a financial loss. ¹Company-reported. Professional liability page introduction and FAQ distinguishing it from general liability.	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.
How to Apply	You request a quote online or by phone; if a client contract requires E&O, Harper says it places coverage matching that requirement and issues the certificate the same day. ¹Company-reported. Professional liability page quote form and FAQ 'My client contract requires E&O. What now?'.	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.
Coverage Features	Harper describes coverage for errors and omissions in the work itself, negligence allegations about professional judgment, and legal defense costs, with limits it says are matched to the client contracts that require the policy. ^1,²Company-reported. Professional liability page's four coverage tiles; the E&O page adds that claims often surface a year or more after the work was delivered. The issued policy and its exclusions control actual scope.	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.
Role in This Line	Harper places professional liability coverage as a broker, writing the policy around the applicant's actual services rather than underwriting it, and describes a specialist handling the placement. ¹Company-reported. Professional liability page introduction and 'Why Harper' section. Harper markets the identical policy under two catalogue entries, "Professional Liability" and "Errors and Omissions"; the E&O page states it is the same policy, just named what a given industry calls it. ^2,³Company-reported. Coverage directory listing plus the E&O page's own description; a naming convention Harper states about itself, not a distinction between two products.	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.