USI Insurance Services vs 
Vouch: How Do They Compare for Professional Liability (E&O) Insurance?
Both are brokers, but USI Insurance Services focuses on CPA firms through the AICPA program, underwritten by CNA, while Vouch markets E&O across accounting, engineering, IT consulting and creative agency firms with an online application.
USI's AICPA program is built for CPA firms; Vouch lists E&O segments including accounting, architecture, consulting and marketing. 1,4
What Are the Key Differences Between USI Insurance Services and Vouch Professional Liability (E&O) Insurance?
CPA-Firm Program Versus Service-Sector Segments
USI's AICPA Professional Liability Program serves CPA firms and includes claims support and risk-management resources. 1 Vouch targets accounting and finance, architecture and engineering, IT and management consulting, and marketing agencies. 4
Services Included
USI says AICPA program firms get supportive claims handling and exclusive access to risk-management resources, including engagement-letter templates, in addition to the coverage itself. 1 Vouch's reviewed pages describe Corix's application and appointment process for E&O but do not detail comparable risk-management resources bundled with the policy. 5
What Should You Confirm in USI Insurance Services and Vouch Professional Liability (E&O) Insurance Quotes?
- If you're a CPA firm, ask USI whether the AICPA program or its general Business Services E&O placement applies. 1
- Ask Vouch whether your placement would go through Corix or another program partner, since the named insurers apply to Corix-branded E&O specifically. 6
- Neither company's reviewed page publishes limits or retentions; ask both for specific figures. 1 4
- Ask USI what risk-management resources come bundled with the AICPA program specifically, since general Business Services placements may differ. 1
USI Insurance Services vs Vouch Professional Liability (E&O) Compared
USI Insurance Services vs Vouch: Professional Liability (E&O) Insurance: documented features by provider
| Criteria | AICPA Professional Liability Program (USI Affinity) | Vouch Errors & Omissions Insurance |
|---|---|---|
| Who It’s For | 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. 1Company-reported. Program page description. | Vouch markets professional E&O to accounting and finance, architecture/engineering/construction, IT consulting, management consulting, and marketing and creative agency firms. 4Company-reported. Vouch's Professional Services page; not an underwriting appetite guarantee for any specific applicant. |
| How to Apply | 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. 1Company-reported. Contact instructions on the AICPA program page. | Corix's E&O product page offers a downloadable application and directs brokers to start an appointment process; Vouch's own site routes prospective buyers to its online "Get Started" application flow. 5,4Company-reported. Corix product page and Vouch site navigation. |
| Coverage Features | 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. 1Company-reported. Program page description; actual insuring agreements, exclusions and conditions are set by the issued CNA policy form. | Corix describes E&O as protecting a business against claims of negligence, mistakes or inadequate work that cause a client financial loss in the provision of professional services, including legal defense costs and any damages awarded, even when the claim is ultimately groundless. 5Company-reported. Corix's cyber and E&O product page; actual insuring agreements and exclusions are set by the issued policy. |
| Role in This Line | 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. 1,3Company-reported. AICPA program page and Business Services practice page. | Vouch is a broker, not an insurer, for professional errors & omissions coverage. It lists Errors & Omissions among the core coverages it places for professional-services clients, and one of its named program partners, Corix, has a dedicated E&O product. 4,5Company-reported. Vouch's Professional Services page and Corix's cyber/E&O product page. |
| Issuing Insurer | 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. 1Company-reported. Direct quote from the AICPA program page; CNA underwrites only this named program, not USI's other professional-liability placements. | Corix's disclosures say its proprietary products, including its E&O line, are issued by State National Insurance Company or United Specialty Insurance Company. That names an insurer for Corix-branded E&O products specifically, not for every Vouch professional-liability placement. 6Company-reported. Corix disclosures page. |
