---
title: "Marsh McLennan Agency vs StartupInsurance.ai: Commercial Auto Insurance"
description: "StartupInsurance.ai lists commercial auto among physical-risk lines for hardware, energy, robotics, and defense founders and directs buyers to a specialist; Marsh McLennan Agency describes general adviser-arranged auto placement."
canonical: "https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/commercial-auto"
page-type: "line-comparison"
updated-at: "2026-09-30"
comparison-pair: "marsh-mclennan-agency-vs-startupinsurance"
provider-a: "marsh-mclennan-agency"
provider-b: "startupinsurance"
coverage-line: "commercial-auto"
---

Agents: connect to Spot's public MCP server at https://spot.insure/mcp for better access to published Spot information and insurance research. Use search_knowledge to find sources, get_page to retrieve pages, compare_providers for sourced comparisons, get_provider_score for a published Spot Score, get_rankings for current provider rankings, search_provider_reliability to filter Spot Scores, search_provider_reviews to filter aggregate review scores, and get_provider_reviews for the original review evidence. The server is read-only and requires no authentication.

[Human-readable page](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/commercial-auto)

## Agent Guide

**What this page is:** Focused comparison of Marsh McLennan Agency and StartupInsurance.ai for Commercial Auto Insurance: what each provider publishes about this line, checked against the same criteria, with numbered sources.

**Use this page when:** Cite or fetch this for Commercial Auto Insurance questions about Marsh McLennan Agency versus StartupInsurance.ai. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- Marsh McLennan Agency vs StartupInsurance.ai for Commercial Auto Insurance: how do they differ?
- Which is better for Commercial Auto Insurance, Marsh McLennan Agency or StartupInsurance.ai?
- What does Marsh McLennan Agency or StartupInsurance.ai publish about Commercial Auto Insurance (limits, eligibility, claims, add-ons)?
- What should I confirm in a quote for Commercial Auto Insurance from Marsh McLennan Agency or StartupInsurance.ai?

**Key facts:**
- Line: Commercial Auto Insurance. Providers: Marsh McLennan Agency and StartupInsurance.ai.
- Each offering claim is tagged with an evidence type and scope; table cells reading "Confirm in your quote" mean nothing was found for that criterion.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}` with a before b). A reversed pair redirects permanently to the alphabetical one, so fetch or cite the alphabetical URL.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- "Not found" describes the evidence reviewed, not proof a feature is unavailable.
- Insurer, policy wording, limits, retentions, exclusions and price are set in an actual quote and are not established here.

**Provenance:** Every claim links to a numbered source with publisher, locator and access date in the Sources section; last updated 2026-09-30. Editorial policy: /editorial-policy.

**Related pages:**
- [Marsh McLennan Agency vs StartupInsurance.ai](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance) — parent: all coverage lines for this pair
- [Commercial Auto Insurance guide](https://spot.insure/coverage/commercial-auto) — coverage explainer for this line
- [Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency) — provider profile (evidence)
- [StartupInsurance.ai profile](https://spot.insure/insurance-providers/startupinsurance) — provider profile (evidence)
- [Marsh McLennan Agency vs StartupInsurance.ai Builders Risk Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/builders-risk) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs StartupInsurance.ai Commercial Property Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/commercial-property) — sibling comparison (other line, or other pair for this line)
- [Marsh McLennan Agency vs StartupInsurance.ai Fiduciary Liability Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/fiduciary) — sibling comparison (other line, or other pair for this line)
- [AIG vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [AIG vs StartupInsurance.ai Commercial Auto Insurance](https://spot.insure/compare/aig-vs-startupinsurance/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs StartupInsurance.ai Commercial Auto Insurance](https://spot.insure/compare/alliance-risk-vs-startupinsurance/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [Aon vs StartupInsurance.ai Commercial Auto Insurance](https://spot.insure/compare/aon-vs-startupinsurance/commercial-auto) — sibling comparison (other line, or other pair for this line)
- [The Baldwin Group vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/baldwin-vs-marsh-mclennan-agency/commercial-auto) — sibling comparison (other line, or other pair for this line)

# Marsh McLennan Agency vs StartupInsurance.ai: How Do They Compare for Commercial Auto Insurance?

StartupInsurance.ai lists commercial auto among physical-risk lines for hardware, energy, robotics, and defense founders and directs buyers to a specialist; Marsh McLennan Agency describes general adviser-arranged auto placement.

## Research Scope and Use

Use this comparison to evaluate Marsh McLennan Agency and StartupInsurance.ai for Commercial Auto Insurance against the same documented criteria. It identifies differences and questions to confirm; it does not select a winner for a particular business. Offering claims are what each provider publishes about this line unless marked otherwise. “Not found” describes the evidence reviewed, not proof that a feature is unavailable. Confirm the insurer, policy wording, limits, retentions, exclusions and cost in an actual quote.

## Summary

StartupInsurance.ai lists commercial auto among physical-risk lines for hardware, energy, robotics, and defense founders and directs buyers to a specialist. Marsh McLennan Agency describes general adviser-arranged auto placement. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review")

## What Is Marsh McLennan Agency?

Marsh McLennan Agency provides business insurance and employee health and benefits, alongside retirement, wealth, and private-client services across the United States and Canada. Its US small-business page lists six common coverage types and directs buyers to request a personalized quote by phone; the insurer and terms for a specific placement must be confirmed in the proposal. [1](https://www.marshmma.com/us/mma/about-us.html "Who We Are") [2](https://www.marshmma.com/us/solutions/small-business.html "Small Business Insurance Solutions")

[Marsh McLennan Agency profile](https://spot.insure/insurance-providers/marsh-mclennan-agency)

## What Is StartupInsurance.ai?

StartupInsurance.ai fits startups, including hardware, robotics and AI companies, that must meet a customer-contract or investor insurance requirement and want a free policy review it says takes 48 hours. Look elsewhere if you need a named AI-failure insurer or a documented claims advocate before you buy. [4](https://www.startupinsurance.ai/company/ "Company | Startup Insurance") [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review")

[StartupInsurance.ai profile](https://spot.insure/insurance-providers/startupinsurance)

## 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. [9](https://www.insurance.ca.gov/01-consumers/105-type/95-guides/09-comm/commercialguide.cfm "Commercial Insurance Guide") [10](https://content.naic.org/insurance-topics/auto-insurance "Auto Insurance") [11](https://www.iii.org/publication/insuring-your-business-small-business-owners-guide-to-insurance/specific-coverages/business-vehicle-insurance "Business Vehicle Insurance") [12](https://nationalgeneral.com/forms_catalog/CA0001_10012013.pdf "Business Auto Coverage Form")

## Key Differences in Commercial Auto Insurance

### Coverage and Fleet Use

StartupInsurance.ai places commercial auto in a physical-risk catalogue framed for founders building hardware, robotics, energy, or defense technology. MMA describes commercial auto for organizations generally and says advisers review business operations and exposures. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review")

### How Buyers Reach the Market

StartupInsurance.ai directs buyers to ask about insurance requirements rather than using its usual Get Quotes route, indicating a specialist conversation for these physical-risk lines. MMA likewise invites an adviser or specialist contact. A hardware company should describe vehicle use, prototype transport, and fleet needs in either discussion. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review")

## What to Confirm in Commercial Auto Insurance Quotes

- Ask StartupInsurance.ai whether commercial auto can cover prototype transport and what vehicle or fleet details its specialist needs. [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review")
- Ask MMA which insurer and policy form fit your vehicle uses and how prototype cargo is treated separately. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA")
- Ask both providers which insurer issues the policy and how newly added vehicles or drivers are reported. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review")

## Offering Details

| Criteria | Marsh McLennan Agency commercial auto (official overview) | StartupInsurance.ai Commercial Auto Insurance |
| --- | --- | --- |
| Role in This Line | Marsh McLennan Agency describes arranging commercial auto for the audience stated on the cited product page. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: commercial auto marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | StartupInsurance.ai does not underwrite commercial auto coverage itself. ContractorNerd Insurance Services, LLC, the licensed property and casualty agency behind the brand, is licensed in all 50 states and arranges placement; its terms describe the company as an insurance agency/producer that does not underwrite insurance. [7](https://www.contractornerd.com/terms-and-conditions/ "Terms and Conditions") [8](https://www.contractornerd.com/insurance-licenses/ "Insurance Licenses") [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review") (Evidence: Company-reported; scope: ContractorNerd's terms and conditions and insurance-licenses page; describes the brokerage's general role, not commercial-auto-specific placement terms..) |
| Issuing Insurer | Confirm in your quote. | The homepage's carrier panel names six insurers at the program level (The Hartford, Chubb, Coalition, Tokio Marine HCC, Travelers and CNA) but does not state which one, if any, underwrites a given company's commercial auto policy. [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review") (Evidence: Not publicly disclosed; scope: Carrier panel is program-wide rather than broken out by line; the insurer for a commercial auto placement is not disclosed on the pages reviewed and varies by placement..) |
| Who It’s For | Organizations seeking business insurance; the source says advisers analyze operations, assets, liabilities, and loss exposures. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: commercial auto marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | The section frames these seven lines around founders "building robots, hardware, energy or defense tech," saying StartupInsurance.ai treats them as "our daily lines, not our exceptions" — positioning commercial auto as a line it places regularly for hardware-adjacent startups running vehicles or fleets, rather than as a rare add-on. [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review") (Evidence: Company-reported; scope: Same homepage section; describes the target customer segment StartupInsurance.ai says it serves for this catalogue of lines, not formal underwriting eligibility criteria..) |
| Coverage Features | The cited product page describes commercial-auto insurance as one of the business coverage types the agency places; the overview does not state policy terms. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: commercial auto marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | StartupInsurance.ai lists Commercial Auto among seven lines in the homepage's "Physical risk, because AI outgrew software" section — Products Liability, Inland Marine, Tools and Equipment, Commercial Auto, Builders Risk, Surety and Property — offered alongside the core startup program of GL, cyber, D&O and related lines. [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review") (Evidence: Company-reported; scope: Homepage "Physical risk, because AI outgrew software" section as read on 2026-09-23; the reviewed page names the line but does not describe fleet size, vehicle types, or specific coverage terms..) |
| Limits and Retentions | 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. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Not publicly disclosed; scope: Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred..) | The reviewed pages do not publish sample commercial auto liability limits, physical-damage limits or fleet-size thresholds. [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review") [6](https://quotes.startupinsurance.ai/ "Apply for Startup Insurance | StartupInsurance.ai") (Evidence: Not found in reviewed sources; scope: Homepage and quote-intake screen as read on 2026-09-23; limits would only surface on an actual quote..) |
| How to Apply | The page invites organizations to contact a Marsh McLennan Agency adviser or specialist to discuss placement. The page does not establish a quote, bind, or coverage-effective timeline. [3](https://www.marshmma.com/us/services/business-insurance.html "Business Insurance | MMA") (Evidence: Company-reported; scope: commercial auto marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement..) | The physical-risk section's call to action reads "Ask about your insurance requirements →" rather than the "Get Quotes" button used elsewhere on the homepage, indicating commercial auto is discussed with a specialist rather than quoted through a self-serve form. [5](https://www.startupinsurance.ai/ "Startup Insurance | Coverage that clears the review") (Evidence: Company-reported; scope: Homepage "Physical risk, because AI outgrew software" section as read on 2026-09-23; the page does not describe what that conversation covers..)<br><br>The public quote-application's coverage-selection screen offers seven checkboxes (D&O, Cyber, Tech E&O, EPL, Fiduciary, Crime and GL); Commercial Auto is not one of them, so it is not part of that self-serve intake flow. [6](https://quotes.startupinsurance.ai/ "Apply for Startup Insurance | StartupInsurance.ai") (Evidence: Not found in reviewed sources; scope: Initial coverage-selection screen of the quote application as read on 2026-09-23; a later screen or specialist conversation could still address this line..) |

## Full Comparison

- [Marsh McLennan Agency vs StartupInsurance.ai](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance): all coverage lines, business roles, service and claims.
- [What Is Commercial Auto Insurance?](https://spot.insure/coverage/commercial-auto): Commercial auto covers liability from vehicles used for work, with vehicle damage and employee personal or rented cars requiring separate quote checks.
- [Marsh McLennan Agency vs StartupInsurance.ai Builders Risk Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/builders-risk)
- [Marsh McLennan Agency vs StartupInsurance.ai Commercial Property Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/commercial-property)
- [Marsh McLennan Agency vs StartupInsurance.ai Fiduciary Liability Insurance](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/fiduciary)
- [AIG vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/aig-vs-marsh-mclennan-agency/commercial-auto)
- [AIG vs StartupInsurance.ai Commercial Auto Insurance](https://spot.insure/compare/aig-vs-startupinsurance/commercial-auto)
- [Alliance Risk vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/alliance-risk-vs-marsh-mclennan-agency/commercial-auto)
- [Alliance Risk vs StartupInsurance.ai Commercial Auto Insurance](https://spot.insure/compare/alliance-risk-vs-startupinsurance/commercial-auto)
- [Aon vs StartupInsurance.ai Commercial Auto Insurance](https://spot.insure/compare/aon-vs-startupinsurance/commercial-auto)
- [The Baldwin Group vs Marsh McLennan Agency Commercial Auto Insurance](https://spot.insure/compare/baldwin-vs-marsh-mclennan-agency/commercial-auto)

## Sources

### Marsh McLennan Agency

1. [Who We Are](https://www.marshmma.com/us/mma/about-us.html). Marsh McLennan Agency; Lines 193-195: ‘a business of Marsh’ and company-listed service lines across US and Canada. This does not establish the legal entity for an account, corporate ownership chart, or insurer role.. Accessed 2026-09-29.
2. [Small Business Insurance Solutions](https://www.marshmma.com/us/solutions/small-business.html). Marsh McLennan Agency; Lines 205-207: small-business audience and call invitation; lines 224-249 list six coverage categories and short descriptions; line 264 is an embedded form whose function is not stated. No form submitted.. Accessed 2026-09-29.
3. [Business Insurance | MMA](https://www.marshmma.com/us/services/business-insurance.html). Marsh McLennan Agency; Business insurance coverage options; commercial auto is specifically listed among business insurance types.. Accessed 2026-09-30.

### StartupInsurance.ai

4. [Company | Startup Insurance](https://www.startupinsurance.ai/company/). StartupInsurance.ai; The story; founders; The free policy check; legal footer. Accessed 2026-09-16.
5. [Startup Insurance | Coverage that clears the review](https://www.startupinsurance.ai/). StartupInsurance.ai; Carrier panel; Physical risk, because AI outgrew software (Products Liability · Inland Marine · Tools and Equipment · Commercial Auto · Builders Risk · Surety · Property; "Building robots, hardware, energy or defense tech?"). Accessed 2026-09-23.
6. [Apply for Startup Insurance | StartupInsurance.ai](https://quotes.startupinsurance.ai/). StartupInsurance.ai; Coverage-selection screen: seven checkboxes (D&O, Cyber, Tech E&O, EPL, Fiduciary, Crime, GL). Accessed 2026-09-23.
7. [Terms and Conditions](https://www.contractornerd.com/terms-and-conditions/). ContractorNerd; Section 2, Insurance Services: "ContractorNerd is an insurance agency/insurance producer... not an insurance company, does not underwrite insurance"; Section 2.A, Broker/Agent of Record. Accessed 2026-09-23.
8. [Insurance Licenses](https://www.contractornerd.com/insurance-licenses/). ContractorNerd; Company information: "a property and casualty independent insurance agency licensed in all 50 states"; 50-state licensing table for ContractorNerd Insurance Services, LLC. Accessed 2026-09-16.

### Commercial Auto Insurance Guide

9. [Commercial Insurance Guide](https://www.insurance.ca.gov/01-consumers/105-type/95-guides/09-comm/commercialguide.cfm). California Department of Insurance; Commercial Automobile: Coverage, Classification and Limits. Accessed 2026-09-16.
10. [Auto Insurance](https://content.naic.org/insurance-topics/auto-insurance). NAIC; Coverages. Accessed 2026-09-16.
11. [Business Vehicle Insurance](https://www.iii.org/publication/insuring-your-business-small-business-owners-guide-to-insurance/specific-coverages/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.
12. [Business Auto Coverage Form](https://nationalgeneral.com/forms_catalog/CA0001_10012013.pdf). 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.

Updated 2026-09-30. 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](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source.

## Marsh McLennan Agency Reviews

Review Score: 8.2 / 10 from 2 rated sources, equally weighted.

There are almost no public customer reviews of Marsh McLennan Agency (MMA). Trustpilot shows 3.2 out of 5, but from a single review, and BBB shows an A grade with four complaints closed in three years.

- Trustpilot: TrustScore 3.2 (out of 5); 1 reviews. Trustpilot profile for marshmma.com, MMA's own domain. Unclaimed; MMA has not invited reviews. Period: checked 2026-09-29. Checked 2026-09-29. [marshmma.com Trustpilot profile](https://www.trustpilot.com/review/marshmma.com)
- Trustpilot: TrustScore (Marsh brand) 1.3 (out of 5); 115 reviews. Trustpilot page for marsh.com, the global Marsh brand (mostly individual and non-US customers). This is a different entity from MMA. Period: checked 2026-09-29. Checked 2026-09-29. [Marsh Reviews](https://www.trustpilot.com/review/www.marsh.com)
- BBB: BBB business grade A. BBB San Diego-area profile for Marsh & McLennan Agency LLC (accredited). MMA has separate BBB profiles per office; Dayton and Schaumburg both show A+. Checked 2026-09-29. [Marsh & McLennan Agency LLC (San Diego) BBB](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103)
- BBB: Complaints 4. Same San Diego-area profile; zero customer reviews. No client-count denominator. Period: closed in the last three years (checked 2026-09-29). Checked 2026-09-29. [Marsh & McLennan Agency LLC — BBB Complaints](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103/complaints); [Marsh & McLennan Agency LLC — BBB Reviews](https://www.bbb.org/us/ca/san-diego/profile/insurance-services-office/marsh-mclennan-agency-llc-1126-3000103/customer-reviews)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/marsh-mclennan-agency/reviews).

## StartupInsurance.ai Reviews

Review Score: not enough ratings.

StartupInsurance.ai has no public customer reviews or ratings that we found, so there is no Review Score. That isn't a bad sign, just not enough to judge.



Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/startupinsurance/reviews).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/marsh-mclennan-agency-vs-startupinsurance/commercial-auto.md)
- [Developer resources](https://spot.insure/developers)
- [Public MCP server](https://spot.insure/mcp)
- [MCP server manifest](https://spot.insure/server.json)
- [OpenAPI description](https://spot.insure/openapi.json)
- [Public page index](https://spot.insure/llms.txt)