biBerk vs USI Insurance Services: How Do They Compare for Professional Liability (E&O) Insurance?

USI describes defense and damages for covered third-party claims involving CPA professional services; biBerk describes an alleged-error trigger and possible groundless-claim defense. 3,7

What Is biBerk Insurance?

biBerk focuses on small businesses and describes a direct online path to answer business questions, choose coverage and pay, with an insurance expert available to help. Before you plan around online checkout, confirm that your state and the insurance you need are supported; biBerk says availability depends on both. 1,2

Read the biBerk profile

Read the biBerk Professional Liability (E&O) Insurance page

What Is USI Insurance Services?

USI suits software and hardware companies from seed stage through IPO seeking consultative broker support; buyers wanting a self-serve quote should compare digital agencies. Insurer commissions are typical and contingent compensation may also apply. 4,5,6

Read the USI Insurance Services profile

Read the USI Insurance Services 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. 10,11,12,13

Read the full coverage guide

What Are the Key Differences Between biBerk and USI Insurance Services Professional Liability (E&O) Insurance?

Coverage Description

USI says its USI Affinity division is the endorsed producer for the AICPA Professional Liability Program for CPA firms, which is underwritten by CNA; it separately brokers E&O for other business types. biBerk describes an E&O trigger for alleged professional errors causing financial harm. USI’s selected claim specifies a program role, while biBerk’s specifies a coverage response; compare the actual issued carrier and terms for your firm. 7 9 3

Policy Terms and Scope

USI’s AICPA program page says it provides claims-handling support and risk-management resources such as engagement-letter templates; biBerk describes client allegations of professional errors causing financial harm. Those are different service and coverage features. Ask which program resources and policy defense provisions are included for your firm. 7 3

What Should You Confirm in biBerk and USI Insurance Services Professional Liability (E&O) Insurance Quotes?

  • Ask USI whether the AICPA program fits your firm structure and what limits are available. 7
  • Ask biBerk which insurer and policy form apply to your CPA services. 3

biBerk and USI Insurance Services Review Scores for 2026

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.

biBerk Review Score

9.0/ 10

Review Score

3 rated sources

Customers rate biBerk well: Trustpilot shows 4.5 out of 5 from 2,620 reviews, and NerdWallet gives it 4.0. The complaints are about slow service after you buy, billing and audits, and slow refunds.[4][1]

Read biBerk reviews

USI Insurance Services Review Score

6.4/ 10

Review Score

1 rated source

USI’s public feedback is too sparse and office-specific for a firmwide verdict. Check the local team’s responsiveness and experience with your type of business.[4][6][8]

Read USI Insurance Services reviews

biBerk vs USI Insurance Services Professional Liability (E&O) Compared

biBerk vs USI Insurance Services: Professional Liability (E&O) Insurance: documented features by provider

CriteriabiBerk Professional Liability / E&OAICPA Professional Liability Program (USI Affinity)
Role in This Line

Confirm in your quote.

For CPA firms, USI runs the AICPA Professional Liability Program through its USI Affinity division as the endorsed producer, rather than underwriting the policy itself. USI's general Business Services practice separately brokers errors and omissions/professional liability coverage for other business types. 7,9Company-reported. AICPA program page and Business Services practice page.

Issuing Insurer

Confirm in your quote.

USI's own page states that the AICPA Professional Liability Program is "underwritten by CNA," naming the carrier for that specific program. USI's general Business Services E&O placements do not name an insurer. 7Company-reported. Direct quote from the AICPA program page; CNA underwrites only this named program, not USI's other professional-liability placements.

Who It’s For

biBerk identifies consultants, accountants, real-estate agents and insurance agents as professions that may need E&O. 3Company-reported. Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: small-business professional services. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage.

biBerk says it provides Professional Liability in all 50 states. 3Company-reported. Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: professional E&O. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage.

USI markets the AICPA program to sole practitioners and regional CPA firms. It has offered CPA coverage since 1967 and has been the endorsed AICPA Program provider since 1994. 7Company-reported. Program page description.

Coverage Features

biBerk says professional liability can respond when a client alleges an error, omission or negligent professional act caused financial harm. 3Company-reported. Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: small-business professional E&O. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage.

biBerk says litigation defense may be covered even if the accusation proves groundless, depending on policy terms. 3Company-reported. Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: professional E&O defense. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage.

USI describes the policy as insuring a CPA and their practice against third-party claims that professional services caused financial harm, providing a defense and paying damages for covered claims arising from high-risk situations tied to new clients, changing business plans, or new laws and regulations. 7Company-reported. Program page description; actual insuring agreements, exclusions and conditions are set by the issued CNA policy form.

Limits and Retentions

Confirm in your quote.

The AICPA program page does not publish limit, retention or premium figures; it says coverage plans allow a firm to tailor coverage to its risk profile. 7Not publicly disclosed. Page as read on 2026-09-23.

Risk Services

Confirm in your quote.

USI says firms enrolled in the program get supportive claims handling and exclusive access to risk-management resources, including engagement-letter templates, in addition to the coverage itself. 7Company-reported. Program page description.

How to Apply

The page describes online quote/purchase and online claim submission with phone support. 3Company-reported. Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: professional E&O. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage.

USI directs CPA firms seeking a quote or renewal to contact USI Affinity, with a dedicated Affinity_APL@usi.com address for the AICPA program specifically. 7Company-reported. Contact instructions on the AICPA program page.

Related Pages for biBerk vs USI Insurance Services

Professional Liability (E&O) Pages for biBerk and USI Insurance Services

Other Coverage Lines Compared for biBerk vs USI Insurance Services

Other Professional Liability (E&O) Insurance Provider Comparisons

Sources for biBerk vs USI Insurance Services

Sources About biBerk

  1. Small Business Insurance From biBerk | Get A Quote Online. biBerk; Online purchase steps, lines 183–197; small-business audience and industries, lines 231–238; state/type availability, lines 290–295. Accessed 2026-09-28.
  2. About biBerk | Making Small Business Insurance Simple. biBerk; Making small business insurance simple and direct sales without an insurance broker, lines 72–89; online assistance, lines 76–78. Accessed 2026-09-28.
  3. Professional Liability Insurance | Talk To biBerk. biBerk; What Professional Liability covers. Accessed 2026-09-28.

Sources About USI Insurance Services

  1. The Power of ONE. USI Insurance Services; History, client-count, nationwide office, and P&C / benefits / personal risk / retirement description. Accessed 2026-09-16.
  2. Technology Insurance. USI Insurance Services; Technology practice client types, seed-to-IPO range, and listed insurance placement lines including PrivaSafe. Accessed 2026-09-16.
  3. Commissions and Fees. USI Insurance Services; Licensed-producer authority, insurer-paid commission default, contingent compensation, and client request right. Accessed 2026-09-16.
  4. Accountants Professional Liability — USI Affinity. USI Insurance Services; Quality Professional Liability Insurance Exclusively for CPA Firms; "The AICPA Professional Liability Program, underwritten by CNA, has been offering coverage to CPAs since 1967 and has been the endorsed provider of the AICPA Program since 1994."; supportive claims handling and exclusive access to extensive risk management resources, including engagement letter templates; Email Affinity_APL@usi.com. Accessed 2026-09-23.
  5. USI Specialty Program Solutions. USI Insurance Services; USI Affinity delivers high-quality insurance and financial solutions to members of affinity organizations and targeted industry segments...for professional associations, law firms, alumni and collegiate organizations, travel groups, and insurance administrators. Accessed 2026-09-23.
  6. Business Services. USI Insurance Services; USI advises clients...and provides solutions for...Errors & Omissions/Professional Liability... Accessed 2026-09-23.

Sources for the Professional Liability (E&O) Insurance Guide

  1. 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.
  2. 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.
  3. Get business insurance. U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
  4. 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.

Updated . 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. To suggest a correction, contact Spot with the page URL and supporting source.

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