What Is Aon?
Aon’s U.S. Commercial Risk terms describe brokerage for certain insurance programs, while its Middle Market page describes a dedicated practice for mid-sized organizations across North America. The public materials reviewed do not identify the licensed producer or insurer for a particular placement. Ask which entity will produce each line and which insurer will issue the policy; request jurisdiction details for the proposed placement and ask how compensation and claim notice work for your account. 1,2
What Is Nationwide?
Nationwide’s commercial catalogue includes common small-business policies and separate specialty products. A catalogue listing does not establish eligibility or policy terms; confirm the issuing company and coverage for your state and business. 4,5,6
What Is Commercial Auto Insurance?
Commercial auto suits businesses that use vehicles for work and need liability protection; damage to your own vehicles is a separate coverage choice. If employees drive personal or rented cars, check how those trips are handled. 8,9,10,11
Key Differences in Commercial Auto Insurance
Who the Published Audience Covers
Aon places Automobile Liability in a practice for law, accounting, and consulting firms, while Nationwide describes commercial auto for businesses using cars, trucks, vans, and other vehicles. If your company falls outside Aon's named professional-services audience, Nationwide's broader product description may be more relevant to explore; neither description confirms underwriting eligibility for your business. 3 7
What Each Page Says About Coverage
Nationwide describes liability for injuries or property damage caused while a business or employee drives a business vehicle. Aon lists Automobile Liability as an arranged line but gives no covered-auto detail, so ask Aon to identify the vehicle and liability terms in its proposal before comparing the two. 7 3
Placement and Quote Route
Aon describes arranging or advising on coverage as a broker, while Nationwide directs prospects to contact an agent or request a quote. In either case, ask who will place and issue the policy; Nationwide's page does not establish when a quote can bind, and Aon does not name the carrier for a placement. 3 7
What to Confirm in Commercial Auto Insurance Quotes
- Which vehicles and liability limits does Aon propose for your professional-services account, and who is the issuing carrier?
- For Nationwide, what limits, exclusions, state terms, and quote-to-bind steps will appear in the agent proposal?
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.
Aon
Review Score
3 rated sources
Public ratings for Aon are low: Trustpilot shows 1.2 out of 5 from 782 reviews, and BBB shows 1.6 from five. Aon is a global firm, so those pages mostly reflect other parts of the business, not large U.S. commercial accounts.[4][6][7]
Read Aon reviewsNationwide
Review Score
4 rated sources
Experts like Nationwide more than customers do. NerdWallet gives it 4.5 out of 5 for business insurance, while small-business customers on ConsumerAffairs give it 2.5 out of 5 from 19 reviews.[1][10]
Read Nationwide reviewsOffering Details
Aon vs Nationwide: Commercial Auto Insurance: documented features by provider
| Criteria | Aon Automobile Liability brokerage and risk-advisory offering | Nationwide commercial auto (official overview) |
|---|---|---|
| Role in This Line | Aon presents Automobile Liability as a line its Professional Services Practice helps arrange or advise on for professional-service firms. Aon is describing a global brokerage and advisory service, not issuing the underlying policy. The producing legal entity and carrier for any particular placement are not named on this page. 3Company-reported. Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement. | Nationwide describes offering commercial auto for the audience stated on the cited product page. 7Company-reported. commercial auto marketed by nationwide; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement. |
| Issuing Insurer | The reviewed practice page does not name the insurer or producing legal entity for a specific placement. Ask for both on the quote and binder. 3Not found in reviewed sources. Aon’s global practice page as reviewed 2026-09-30; no state-specific placement schedule or buyer quote was reviewed. This does not establish that Aon cannot arrange a placement. | Confirm in your quote. |
| Who It’s For | Aon identifies law, accounting and consulting firms as the audience for its global Professional Services Practice. That audience scope does not establish eligibility for every firm or other business. 3Company-reported. Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement. | Businesses using cars, trucks, vans, and other vehicles in operations, as described on the page. 7Company-reported. commercial auto marketed by nationwide; 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 | Aon lists Automobile Liability in its property-and-casualty offerings for professional services firms. The page does not describe covered autos, drivers, liability limits or policy terms. 3Company-reported. Aon’s marketing description of the brokerage/coverage area. The page is not the insurer’s policy form and does not establish an insured's entitlement to coverage. | The cited product page describes liability for injuries or property damage a business or its employees may cause while driving business vehicles. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 7Company-reported. commercial auto marketed by nationwide; 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 state a buyer-specific limit, retention, deductible or other placement terms. Confirm these in the quote, bond or issued policy. 3Not publicly disclosed. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed. | The cited overview does not set a universal limit or retention for this line. Ask for the proposed policy form, limits, retentions, exclusions, and conditions in the quote. 7Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred. |
| Risk Services | Aon says its professional-services advisors use industry knowledge, insights, data and tools to support risk-management and human-capital decisions. This is a company-described advisory service, not a claim outcome or policy benefit. 3Company-reported. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated. | Confirm in your quote. |
| How to Apply | Confirm in your quote. | The page directs prospective customers to contact an agent or request a quote. The page does not establish a quote, bind, or coverage-effective timeline. 7Company-reported. commercial auto marketed by nationwide; 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 Aon vs Nationwide Comparisons
Other Commercial Auto Insurance Comparisons
Sources
Aon
- Commercial Risk Solutions U.S. Brokerage Terms of Service. Aon; Lines 120–127: certain-program broker-of-record scope, consultation, application assistance, client signature and bind instruction, and account administration; lines 140–147: variable and contingent compensation, potential placement incentive, and client request route; lines 206–213: no price guarantee and surplus-lines limitations; lines 229–231: client insurer-notice duty unless separately agreed. Accessed 2026-09-29.
- Middle Market Clients. Aon; Lines 125–132: mid-sized organizations and middle-market framing; lines 165–173: dedicated practice and North America statement; lines 188–224: Commercial Risk capabilities. No numeric company-size cutoff or U.S.-only eligibility rule is stated on the reviewed page. Accessed 2026-09-29.
- Professional Services Practice. Aon; Named professional-services audiences and global advisory role, lines 125–128; line offerings and explanations lines 131–190; contact link lines 120–122. Global practice page; no U.S. state or account-specific placement schedule. Accessed 2026-09-30.
Nationwide
- Small Business Insurance. Nationwide; Small business products and solutions, lines 185–214: BOP, workers’ compensation, commercial auto, umbrella, EPLI, cyber and surety; purchase guidance lines 235–247. Accessed 2026-09-29.
- Small Business Insurance Solutions for Agents. Nationwide; Specialized small commercial solutions: BOP, auto, workers’ compensation, cyber, EPLI, umbrella, inland marine and professional liability; page states appetite varies by state, lines 129–163, 191–193. Accessed 2026-09-29.
- Terms and Conditions for Nationwide.com. Nationwide; P&C products not offered by all companies/states; policy/declarations control; NMI and affiliates may underwrite; each underwriter responsible for own products, lines 358–368 and 391–394. Accessed 2026-09-29.
- Commercial Auto Insurance – Request a Quote – Nationwide. Nationwide; Commercial auto coverage overview; vehicles used in business operations. Accessed 2026-09-30.
Commercial Auto Insurance Guide
- Commercial Insurance Guide. California Department of Insurance; Commercial Automobile: Coverage, Classification and Limits. Accessed 2026-09-16.
- Auto Insurance. NAIC; Coverages. Accessed 2026-09-16.
- Business Vehicle Insurance. Insurance Information Institute; Will My Personal Auto Policy Cover Business Use?; What Vehicles Are Covered?; What Coverage Do I Need if Employees Drive Their Personal Vehicles for Business?; Does a Business Umbrella Cover Autos?; Do I Need a Business Auto Policy?; Be Sure the Right Insured Is on the Policy. Accessed 2026-09-16.
- Business Auto Coverage Form. Insurance Services Office, Inc.; hosted by National General; I.A, printed/PDF page 1; II.A.1, printed/PDF page 2; III.C–D, printed/PDF page 6; II.B.6, printed/PDF page 3; III.B.3, printed/PDF page 6. Accessed 2026-09-16.
