Alliance Risk vs Marsh McLennan Agency: How Do They Compare for Professional Liability (E&O) Insurance?

Alliance Risk describes risk reviews, contract analysis and claims-made structuring, and says clients can access a legal network and claims experts. MMA names E&O, architect/engineer and lawyers lines in its suite. 4,7

What Is Alliance Risk?

Alliance Risk suits tech startups from pre-seed through IPO that want a broker to review their tech E&O policy for free and shop specialist insurers; if you want to buy online in minutes, use a digital insurer. Quotes take 24 hours to ten business days, depending on your risk. 1,2,3

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Read the Alliance Risk Professional Liability (E&O) Insurance page

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. 5,6

Read the Marsh McLennan Agency profile

Read the Marsh McLennan Agency Professional Liability (E&O) Insurance page

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

Read the full coverage guide

Key Differences in Professional Liability (E&O) Insurance

Contract review and policy structure

Alliance Risk describes industry-specific risk reviews, claims-trend analysis, customized policy language and client-contract review, including work on prior acts, retroactive dates and tail coverage. MMA’s source names E&O, architects and engineers, and lawyers professional lines in its policy suite. A firm with contract indemnities should compare Alliance Risk’s described review process with the specialist line MMA would use for the profession. 4 7

Claims expertise and professional classes

Alliance Risk says its professional-liability clients can access a legal network and industry-aware claims experts for defense strategy. MMA’s source separately names general E&O, A&E and lawyers professional lines. Those facts help frame a service comparison: ask who will handle claim advocacy and whether the proposed policy is a general or profession-specific form. 4 7

What to Confirm in Professional Liability (E&O) Insurance Quotes

  • Which contract clauses, retroactive date and claims support will Alliance Risk review for your work? 4 7
  • Which MMA professional line and claims contact fit your profession and policy form? 4 7

Alliance Risk and Marsh McLennan Agency 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.

Alliance Risk Review Score

-/ 10

Review Score

No reviews found

Alliance Risk has no customer ratings on the review sites we checked, so there's no Review Score yet. That says nothing bad about the company; it means you'll need to ask for references.[1][4][6]

Read Alliance Risk reviews

Marsh McLennan Agency Review Score

8.2/ 10

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 reviews

Alliance Risk vs Marsh McLennan Agency Professional Liability (E&O) Compared

Alliance Risk vs Marsh McLennan Agency: Professional Liability (E&O) Insurance: documented features by provider

CriteriaAlliance Risk Professional Liability InsuranceMarsh McLennan Agency professional errors omissions (official overview)
Role in This Line

Alliance Risk places professional liability (errors and omissions, or E&O) coverage as a broker, saying it backs placements with risk-specific underwriting input and carrier partnerships rather than underwriting the policy itself. 4Company-reported. Professional liability product page.

Marsh McLennan Agency describes arranging professional errors omissions for the audience stated on the cited product page. 7Company-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.

Issuing Insurer

The reviewed professional liability page does not name the insurer that would issue a policy; it refers generally to 'strong carrier partnerships' without identifying a specific carrier. 4Not publicly disclosed. Professional liability product page as read on 2026-09-23.

Confirm in your quote.

Who It’s For

Alliance Risk targets professional liability at consultants and advisory firms, accountants and tax professionals, architects and engineers, real estate and insurance agents and brokers, marketing and PR agencies, IT and technology consultants, healthcare providers, and financial planners and investment advisors. 4Company-reported. Professional liability product page; eligibility for a particular company depends on underwriting.

Organizations seeking professional liability placement; source does not imply all professions share one policy. 7Company-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.

Coverage Features

Alliance Risk lists negligent acts or omissions, breach of contract, misrepresentation, and missed deadlines as typically covered, and says bodily injury or property damage, intentional wrongdoing or fraud, employment disputes, cyber incidents, and prior known claims are excluded and belong to other lines such as general liability, EPLI or cyber liability. 4Company-reported. Professional liability product page; coverage and exclusions described in general terms, subject to the policy as issued.

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. 7Company-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.

Limits and Retentions

The reviewed professional liability page gives cost ranges by firm size (for example, solo practitioners at $500-$3,000 a year up to mid-sized to large firms at $10,000-$50,000-plus) but does not publish specific coverage limits, retentions or deductible amounts for this line. 4Not found in reviewed sources. Professional liability product page as read on 2026-09-23; cost figures are illustrative premium estimates, not published limits.

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

Alliance Risk describes its approach to professional liability as including industry-specific risk reviews, claims-trend analysis, customized policy language, review of client contracts to limit personal exposure, and expertise structuring claims-made policies including tail coverage, prior acts and retroactive dates. 4Company-reported. Professional liability product page, Our Approach to Professional Liability and The Alliance Risk Difference sections.

Confirm in your quote.

How to Apply

The professional liability page's only application route is a generic 'Get a quote' request; it does not list the specific submission information Alliance Risk asks for on this line, unlike its D&O, EPLI and fiduciary product pages. 4Not found in reviewed sources. Professional liability product page as read on 2026-09-23.

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. 7Company-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.

Claims Support

Alliance Risk says professional liability clients get access to a legal network and claims experts who understand the client's industry, providing a defense strategy if a claim arises. 4Company-reported. Professional liability product page, The Alliance Risk Difference section.

Confirm in your quote.

Related Pages for Alliance Risk vs Marsh McLennan Agency

Professional Liability (E&O) Pages for Alliance Risk and Marsh McLennan Agency

Other Coverage Lines Compared for Alliance Risk vs Marsh McLennan Agency

Other Professional Liability (E&O) Insurance Provider Comparisons

Sources for Alliance Risk vs Marsh McLennan Agency

Sources About Alliance Risk

  1. Technology Insurance. Alliance Risk; What is Technology Insurance?; Types of Technology; Types of Coverage; startup placement introduction; quote documents and process. Accessed 2026-09-16.
  2. Tech E&O Insurance. Alliance Risk; Opening placement description; Get Your Tech E&O Risk Review; What We Need for Your Quote; Policy Review. Accessed 2026-09-16.
  3. Get a Quote. Alliance Risk; Request form; Prefer to Call?; Why Alliance Risk? section. Accessed 2026-09-16.
  4. Professional Liability Insurance. Alliance Risk; Professional Liability Insurance That Safeguards Your Expertise; Our Approach to Professional Liability; The Alliance Risk Difference; What Is Professional Liability Insurance?; What Does/Doesn't Professional Liability Insurance Cover?; How Much Professional Liability Insurance Cost? Accessed 2026-09-23.

Sources About Marsh McLennan Agency

  1. 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.
  2. 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.
  3. 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 for the Professional Liability (E&O) Insurance Guide

  1. 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.
  2. 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.
  3. Get business insurance. U.S. Small Business Administration; Six common types of business insurance table. Accessed 2026-09-16.
  4. 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.

Updated . 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. To suggest a correction, contact Spot with the page URL and supporting source.

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