---
title: "Coalition vs Marsh: Tech E&O Insurance"
description: "Coalition sells Tech E&O only together with its Active Cyber policy, with one in-house claims team and its Control platform covering both; Marsh brokers Tech E&O as a professional-liability specialty and builds custom programs for large data centers, which it says off-the-shelf forms leave exposed."
canonical: "https://spot.insure/compare/coalition-vs-marsh/technology-errors-omissions"
page-type: "line-comparison"
updated-at: "2026-09-29"
comparison-pair: "coalition-vs-marsh"
provider-a: "coalition"
provider-b: "marsh"
coverage-line: "technology-errors-omissions"
---

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[Human-readable page](https://spot.insure/compare/coalition-vs-marsh/technology-errors-omissions)

## Agent Guide

**What this page is:** Focused comparison of Coalition and Marsh for Tech E&O 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 Tech E&O Insurance questions about Coalition versus Marsh. For all lines together use the pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- Coalition vs Marsh for Tech E&O Insurance: how do they differ?
- Which is better for Tech E&O Insurance, Coalition or Marsh?
- What does Coalition or Marsh publish about Tech E&O Insurance (limits, eligibility, claims, add-ons)?

**Key facts:**
- Line: Tech E&O Insurance. Providers: Coalition and Marsh.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}/{line}` with a before b). A reversed pair redirects permanently to the alphabetical one.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- 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; last updated 2026-09-29.

**Related pages:**
- [Coalition vs Marsh](https://spot.insure/compare/coalition-vs-marsh) — all coverage lines for this pair
- [Tech E&O Insurance guide](https://spot.insure/coverage/technology-errors-omissions) — how this coverage works
- [Coalition profile](https://spot.insure/insurance-providers/coalition) — provider profile
- [Marsh profile](https://spot.insure/insurance-providers/marsh) — provider profile

# Coalition vs Marsh: How Do They Compare for Tech E&O Insurance?

Coalition markets Tech E&O to organizations that provide technology for a fee, but only paired with its Active Cyber policy. Marsh handles tech E&O as a professional liability specialty and designs data center programs around it.

Coalition sells Tech E&O only alongside its Active Cyber policy, with its Control platform and one claims team for both, while Marsh is a broker that builds custom Tech E&O programs, including for data centers that off-the-shelf forms do not fit.

## Coalition vs Marsh Tech E&O Insurance Summary

Coalition sells Tech E&O only together with its Active Cyber policy, with one in-house claims team and its Control platform covering both; Marsh brokers Tech E&O as a professional-liability specialty and builds custom programs for large data centers, which it says off-the-shelf forms leave exposed. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [4](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html "Data center insurance and risk management")

## What Are the Key Differences Between Coalition and Marsh Tech E&O Insurance?

### Tech E&O Tied to Cyber vs a Custom-Built Program

Coalition designs Tech E&O that you can only buy together with its Active Cyber Insurance, sold through appointed brokers, for any business that sells a technology product or service for a fee. Marsh treats technology E&O as a financial and professional liability specialty and says off-the-shelf forms were not built for the scale of modern data centers, so it builds programs combining Tech E&O with property, casualty and other lines. Choose Coalition if you are a typical tech firm that also needs cyber; choose Marsh if you run a data center or need a program too large or unusual for a standard form. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [4](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html "Data center insurance and risk management")

### One Claims Team and Monitoring at Coalition

Coalition includes its Control platform, the same one used on its cyber policies, and handles Tech E&O and cyber claims with one in-house team, so a claim touching both lines goes to one place. Marsh's pages describe no monitoring platform attached to Tech E&O placements. [3](https://www.coalitioninc.com/control "Coalition Control") [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability")

## What Should You Confirm in Coalition and Marsh Tech E&O Insurance Quotes?

- Ask Marsh whether your placement is a standalone professional-liability form or part of a data-center program with property and casualty. [4](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html "Data center insurance and risk management")
- Budget for Active Cyber if you choose Coalition; it will not sell Tech E&O alone. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage")
- Ask both which insurer issues the policy. [2](https://www.coalitioninc.com/legal/disclaimer "U.S. Disclaimers") [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability")
- If you operate a data center, ask Marsh which standard-form gaps its program closes. [4](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html "Data center insurance and risk management")

## Coalition vs Marsh Tech E&O Insurance Compared

| Criteria | Coalition Technology Errors & Omissions Coverage | Marsh Technology Errors and Omissions Insurance |
| --- | --- | --- |
| Who It’s For | Coalition markets Tech E&O to any organization that provides a technology product or service in exchange for a fee, citing exposures such as software downtime and failures in technology services or products. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") (Evidence: Company-reported; scope: Tech E&O product page as read on 2026-09-23..) | Marsh names technology among the specialized industries its professional liability (E&O) experts serve, alongside banking, insurance and asset management, media and healthcare. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") (Evidence: Company-reported; scope: Marsh professional liability page, What We Offer section..) |
| Coverage Features | Coalition says Tech E&O covers third-party financial losses from errors, omissions, or negligence in technology products or services, listing example causes including software bugs, delivery delays, IP claims over licensed code, IT-service implementation errors, and failure to meet contract requirements. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") (Evidence: Company-reported; scope: Tech E&O product page as read on 2026-09-23; the issued policy and endorsements control actual coverage..) | Marsh says off-the-shelf technology E&O policies were not built for the scale and concentration of modern data centers and can leave gaps. It designs data center programs that combine technology E&O with property, casualty and other lines. [4](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html "Data center insurance and risk management") (Evidence: Company-reported; scope: Data center insurance page, Closing the gaps in conventional coverage section; describes a gap in standard tech E&O for one customer segment (data centers), not the general product..) |
| Role in This Line | Coalition designs and distributes Tech E&O as a coverage that combines with its own cyber policy, sold through appointed brokers rather than direct to buyers. [1](https://www.coalitioninc.com/technology-errors-and-omissions-insurance "Tech E&O Insurance Coverage") (Evidence: Company-reported; scope: Tech E&O product page as read on 2026-09-23..) | Marsh treats technology errors and omissions (tech E&O) as one of its financial and professional liability specialties, with dedicated attention to the technology industry, and separately names it as a building block within its data-center insurance programs. [5](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html "Professional liability") [4](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html "Data center insurance and risk management") (Evidence: Company-reported; scope: Marsh professional liability page and data-center insurance page..) |

## About Coalition and Marsh and Tech E&O Insurance

- [Coalition company profile](https://spot.insure/insurance-providers/coalition) · [Coalition customer reviews](https://spot.insure/insurance-providers/coalition/reviews)
- [Marsh company profile](https://spot.insure/insurance-providers/marsh) · [Marsh customer reviews](https://spot.insure/insurance-providers/marsh/reviews)
- [What Is Technology Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/technology-errors-omissions)

## Related Pages for Coalition vs Marsh Tech E&O Insurance

- [Coalition vs Marsh](https://spot.insure/compare/coalition-vs-marsh): all coverage lines, business roles, service and claims.
- [What Is Technology Errors and Omissions (E&O) Insurance?](https://spot.insure/coverage/technology-errors-omissions): Technology errors and omissions can help pay when a customer claims your software, hosting, installation or tech advice caused financial loss; cyber incidents need separate review.
- [Coalition Tech E&O Insurance](https://spot.insure/insurance-providers/coalition/technology-errors-omissions)
- [Marsh Tech E&O Insurance](https://spot.insure/insurance-providers/marsh/technology-errors-omissions)

## Sources for Coalition vs Marsh Tech E&O Insurance

### Sources About Coalition

1. [Tech E&O Insurance Coverage](https://www.coalitioninc.com/technology-errors-and-omissions-insurance). Coalition; Who's It For?; Coalition Advantage: comprehensive protection, compounded benefits through cyber coverage, streamlined claims handling, Coalition Control; Tech E&O Claims: causes list. Accessed 2026-09-23.
2. [U.S. Disclaimers](https://www.coalitioninc.com/legal/disclaimer). Coalition; Non-Admitted Cyber; Admitted Cyber; Admitted Executive Risk (names Zurich American Insurance Company, NAIC 16535); no 'Admitted Tech E&O' section appears on the page. Accessed 2026-09-23.
3. [Coalition Control](https://www.coalitioninc.com/control). Coalition; Policyholder Features: attack surface monitoring, Login Security, Cyber Health Rating, third-party risk management, zero-day alerts. Accessed 2026-09-23.

### Sources About Marsh

4. [Data center insurance and risk management](https://www.marsh.com/en/industries/technology/expertise/data-center-insurance-and-risk-management-services.html). Marsh; Closing the gaps in conventional coverage: off-the-shelf property, casualty, and technology errors and omissions policies were not built for the scale, density, and aggregation of modern data centers. Accessed 2026-09-23.
5. [Professional liability](https://www.marsh.com/en/services/financial-professional-liability/expertise/professional-liability.html). Marsh; What We Offer: specialized industries served, including Technology. Accessed 2026-09-23.

Updated 2026-09-29. 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.

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/coalition-vs-marsh/technology-errors-omissions.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)