AIG vs CNA: How Do They Compare for Business Insurance?

“AIG” is the marketing name for American International Group, Inc.'s worldwide operations. AIG says insurance products are written or provided by subsidiaries or affiliates; its U.S. legal notice lists multiple U.S.-domiciled property and casualty insurers but does not identify which company would issue a particular commercial policy. ^1,2Company-reportedAIG group naming and the listed U.S.-domiciled property and casualty companies. The legal notice is not a policy-specific carrier assignment or complete ownership chart.

Loews Corporation owned approximately 92% of CNA Financial Corporation’s outstanding common stock as of December 31, 2025. ¹⁶VerifiedCNA Financial Corporation common-stock ownership as reported for December 31, 2025 in its 2025 Form 10-K. This is not ownership of each subsidiary or policy and is not a percentage asserted beyond that date.

AIG lists a North America myAIG portal for brokers and agents to access loss runs, policy documents, applications, and tools, and a separate U.S. portal for producer appointment requests. The public pages do not establish that a business can complete an online purchase or bind coverage directly. ⁴Company-reportedPublicly listed North America broker/agent portal functions and U.S. producer appointment requests. Authenticated workflow and product-specific submission or binding steps were not reviewed.

CNA directs small-business buyers to work with an agent. CNA also says its U.S. offices work with independent agents and brokers to provide policyholder service and insurance solutions. ^18,19Company-reportedCNA’s stated U.S. small-business route and U.S. agency relationships. These sources do not establish that every CNA product requires an agent or that buyers can complete a purchase directly online.

AIG lists its North America broker portal as a place for brokers and agents to access loss runs, policy documents, applications, and tools. The page does not explain how renewals are managed or promise renewal terms or timing. ⁴Company-reportedPublic description of a North America broker/agent portal; authenticated functions and account-specific availability were not reviewed.

CNA says CNA Central gives small-business agents access to policy documents, loss runs, and claims information. CNA’s 2022 agent guide says agents can access policy, billing, and claims information and download new-business, renewal, and endorsement documents. This describes agent access, not automatic renewal or a guaranteed renewal offer. ^18,20Company-reportedSmall-business agent servicing through CNA Central, based on the current U.S. small-business page and a guide copyrighted 2022. The guide’s detailed portal functions are historical interface descriptions; renewal-document access does not establish that every policy renews or will receive an offer.

A CNA Small Business Service Center handout copyrighted 2021 says the center handles participating agency customers’ inquiries about certificates, policy changes, coverage, billing, and additional coverage or endorsement quotes. It states weekday hours of 7 a.m.–7 p.m. Central Time and says the agency/customer relationship remains in place. This describes a particular service-center program, not every CNA account. ²¹Company-reportedCompany-reported service-center functions from a 2021 CNA handout. The handout describes enrollment and account selection for this small-business agency program; it does not establish availability for every CNA policy or account.