Marsh McLennan Agency vs 
Mylo: How Do They Compare for Professional Liability (E&O) Insurance?
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. 1,2
Read the Marsh McLennan Agency profile
Read the Marsh McLennan Agency Professional Liability (E&O) Insurance page
What Is Mylo Insurance?
Mylo suits small businesses wanting online quote comparisons or licensed-advisor help; firms needing complex program management should compare full-service brokers. Mylo says 95% of customers pay no fee, though some transactions carry fees. 4,5
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. 8,9,10,11
What Are the Key Differences Between Marsh McLennan Agency and Mylo Professional Liability (E&O) Insurance?
Market comparison and specialist categories
Mylo describes its role as comparing professional-liability quotes from multiple business insurers rather than underwriting the policy. MMA’s source names E&O and separate architect/engineer and lawyers professional products. For a business deciding between a marketplace comparison and a specialty line, ask Mylo to identify the carriers and ask which MMA category would apply to the same services. 6 3
Claims-made or occurrence form
Mylo explains that professional liability can be written on claims-made or occurrence forms and that tail coverage can extend reporting after a claims-made policy ends; the available form depends on the carrier placed. MMA’s source identifies the professional product categories. Compare the actual trigger, retroactive date and reporting extension in Mylo’s offer with the form MMA proposes for the profession. 6 3
What Should You Confirm in Marsh McLennan Agency and Mylo Professional Liability (E&O) Insurance Quotes?
Marsh McLennan Agency and Mylo 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.
Marsh McLennan Agency Review Score
Review Score
2 rated sources
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.[8][9][1]
Read Marsh McLennan Agency reviewsMylo Review Score
Review Score
2 rated sources
Mylo has strong feedback on its Kansas City Birdeye listing, while its tiny Trustpilot sample is negative. Most available feedback mixes personal and business insurance.[4][6][7]
Read Mylo reviewsMarsh McLennan Agency vs Mylo Professional Liability (E&O) Compared
Marsh McLennan Agency vs Mylo: Professional Liability (E&O) Insurance: documented features by provider
| Criteria | Marsh McLennan Agency professional errors omissions (official overview) | Mylo Professional Liability Insurance |
|---|---|---|
| Role in This Line | Marsh McLennan Agency describes arranging professional errors omissions for the audience stated on the cited product page. 3Company-reported. professional errors omissions 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. | Mylo brokers professional liability insurance by comparing quotes from multiple business insurance companies rather than underwriting the policy itself. 6Company-reported. Professional liability product page. |
| Issuing Insurer | Confirm in your quote. | The professional liability product page and Mylo's carrier-contact directory do not name the insurer that would issue a professional liability policy; the directory groups carriers under generic Auto & Home and Business categories only. 6,7Not publicly disclosed. Checked the professional liability product page and the carrier-contact directory on 2026-09-23; neither ties a named carrier to this line. |
| Who It’s For | Organizations seeking professional liability placement; source does not imply all professions share one policy. 3Company-reported. professional errors omissions 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. | Mylo markets this line to businesses that could face a claim from a client unhappy with their professional services, using examples spanning app development, financial planning and beauty-salon services. 6Company-reported. Product page examples; a particular business's eligibility depends on underwriting. |
| Coverage Features | The cited product page describes E&O and named specialist professional lines, including architects and engineers and lawyers professional liability; the overview does not treat them as one form. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. 3Company-reported. professional errors omissions 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. | Mylo describes the policy responding to breach-of-contract claims, bodily injury or property damage claims, financial-loss claims, and consequential-damages claims arising from a client relationship. 6Company-reported. Product page coverage descriptions; actual insuring agreements and exclusions are set by the issued policy. Mylo explains that professional liability comes in claims-made and occurrence forms, and that tail coverage can be added to a claims-made policy to extend reporting after it ends. 6Company-reported. Product page FAQ; which form and tail terms are offered depends on the placed carrier. |
| 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. 3Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred. | Confirm in your 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. 3Company-reported. professional errors omissions 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. | Mylo says it recommends coverage customized to the business and compares professional liability quotes from top-rated business insurance companies to find a combination of coverage and price. 6Company-reported. Product page "How will Mylo find me the right policy?" section. |
| Claims Support | Confirm in your quote. | Mylo's carrier-contact page lists claims phone numbers by carrier for Auto & Home and Business policies generally, but does not identify a professional-liability-specific claims contact or process. 7Not found in reviewed sources. Carrier-contact directory checked 2026-09-23; entries are organized by carrier and general product category, not by coverage line. |
Related Pages for Marsh McLennan Agency vs Mylo
Professional Liability (E&O) Pages for Marsh McLennan Agency and Mylo
Other Coverage Lines Compared for Marsh McLennan Agency vs Mylo
Other Professional Liability (E&O) Insurance Provider Comparisons
Sources for Marsh McLennan Agency vs Mylo
Sources About Marsh McLennan Agency
- Who We Are. 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.
- Small Business Insurance Solutions. 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.
- Executive and Professional Liability | MMA. Marsh McLennan Agency; E&O, architects and engineers, and lawyers professional lines are named in the policy suite. Accessed 2026-09-30.
Sources About Mylo
- Small Business Insurance. Mylo; Hero; What Insurance Does A Small Business Need (Business Owners Policy listing); Get My Quote; Business Insurance FAQs; commercial-product navigation; footer legal disclosure. Accessed 2026-09-16.
- About Mylo. Mylo; Your Digital One-Stop Shop; The Broker Advantage; Proven Heritage, Powerful Future; About Mylo FAQs. Accessed 2026-09-15.
- Professional Liability Insurance. Mylo; Professional Liability? But I Do Good Work; What does professional liability cover?; Professional liability FAQs (claims-made vs. occurrence, tail coverage); How will Mylo find me the right policy? Accessed 2026-09-23.
- Contact Your Carrier. Mylo; Carrier contact list grouped by Auto & Home, Business and Claims; no professional-liability-specific entry. Accessed 2026-09-23.
Sources for the Professional Liability (E&O) Insurance Guide
- 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.
- 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.
- Get business insurance. U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
- 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.
