Aon vs TechInsurance: How Do They Compare for Professional Liability (E&O) Insurance?

Aon: professional liability as addressing professional-services firms’ liability exposure and says it tailors coverage structures to a firm’s needs. It identifies E&O as a commonly used name for professional-liability insurance; actual policy terms are not stated. TechInsurance: e&O insurance covers professional negligence claims, errors or incomplete work, breach of contract, missed deadlines, misrepresentation of skill level, and communication-related disputes, and pays legal defense costs and any resulting judgment or settlement. 3,7

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

Read the Aon profile

Read the Aon Professional Liability (E&O) Insurance page

What Is TechInsurance?

TechInsurance fits freelancers and small software, SaaS and IT firms that want to compare several insurers' quotes from one application, with agent help and a tech E&O plus cyber bundle. Growth-stage companies needing a managed renewal program or firm quote deadlines should look at specialist brokers. 4,5,6

Read the TechInsurance profile

Read the TechInsurance 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

Technology services and named professions

TechInsurance targets E&O at IT, software, cybersecurity and SaaS businesses, among others; Aon names law, accounting and consulting firms for its professional-services practice. A technology company should ask Aon whether it fits that practice and compare TechInsurance’s stated technology audience. 3 7

Claims-made timing

TechInsurance says its E&O policies are claims-made, requiring the policy to be active when the incident occurs and when the claim is filed, and discusses maintaining coverage or a retroactive date. Aon says it tailors structures but does not state a trigger in its reviewed summary. Ask about prior acts and reporting extensions. 3 7

Allegations and claim contact

TechInsurance lists negligence, incomplete work, missed deadlines and breach of contract, with legal defense costs; it says buyers contact the carrier if a client threatens suit. Aon describes broader professional-liability advice. Compare the covered allegations and claim reporting contact before buying. 3 7

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

  • Ask Aon to confirm the quoted policy form, retroactive date and covered allegations; its offering says professional liability as addressing professional-services firms’ liability exposure and says it tailors coverage structures to a firm’s needs. It identifies E&O as a commonly used name for professional-liability insurance; actual policy terms are not stated. 3
  • Ask TechInsurance to confirm the quoted policy form, retroactive date and covered allegations; its offering says e&O insurance covers professional negligence claims, errors or incomplete work, breach of contract, missed deadlines, misrepresentation of skill level, and communication-related disputes, and pays legal defense costs and any resulting judgment or settlement. 7

Aon and TechInsurance 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.

Aon Review Score

6.1/ 10

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 reviews

TechInsurance Review Score

9.1/ 10

Review Score

2 rated sources

TechInsurance’s available ratings are favorable, with praise for broker guidance. The feedback supports its shopping service more than any particular insurer’s claims handling.[4][5]

Read TechInsurance reviews

Aon vs TechInsurance Professional Liability (E&O) Insurance Compared

Aon vs TechInsurance: Professional Liability (E&O) Insurance: documented features by provider

CriteriaAon Professional Liability / E&O brokerage and risk-advisory offeringTechInsurance Errors and Omissions Insurance
Role in This Line

Aon presents Professional Liability / E&O 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.

TechInsurance arranges errors and omissions (E&O) insurance, also called professional liability insurance, as a standalone policy for businesses that provide professional services or advice. 7Company-reported. Errors and omissions product page.

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.

The reviewed page does not name the issuing insurer for an E&O policy. 7Not publicly disclosed. Errors and omissions product page as read on 2026-09-23.

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.

TechInsurance targets E&O at businesses that provide professional services or advice, naming IT and software professionals, cybersecurity and SaaS companies, insurance agents, real estate agents, tax preparers and consultants as example segments, and notes it is sometimes required by state law or licensing boards. 7Company-reported. Errors and omissions product page, Who should get errors and omissions insurance coverage? section.

Coverage Features

Aon describes professional liability as addressing professional-services firms’ liability exposure and says it tailors coverage structures to a firm’s needs. It identifies E&O as a commonly used name for professional-liability insurance; actual policy terms are not stated. 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.

TechInsurance says E&O insurance covers professional negligence claims, errors or incomplete work, breach of contract, missed deadlines, misrepresentation of skill level, and communication-related disputes, and pays legal defense costs and any resulting judgment or settlement. 7Company-reported. Errors and omissions product page; general policy description, not a specific policy form.

TechInsurance says its E&O policies are claims-made, meaning coverage applies only if the policy was active both when the incident occurred and when the claim was filed, and recommends keeping the policy active or setting a retroactive date to cover past work. 7Company-reported. Errors and omissions product page, Why is it important to keep your E&O insurance policy active? section.

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.

TechInsurance says its E&O policyholders pay a median of $88 per month, or $1,051 a year, with the exact premium depending on location, profession risk level, coverage limits, deductible, employee count, claims history and annual income. 7Company-reported. Errors and omissions product page cost section; a company-reported median from TechInsurance's own book of business, not a published rate table.

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.

Claims Support

Confirm in your quote.

TechInsurance says that if a client threatens to sue, you contact your carrier directly, provide policy information and explain the circumstances, and the insurer's representative helps determine next steps. 7Company-reported. Errors and omissions product page, How does E&O insurance coverage work? section.

Related Pages for Aon vs TechInsurance Professional Liability (E&O)

Professional Liability (E&O) Insurance Pages for Aon and TechInsurance

Other Coverage Lines Compared for Aon vs TechInsurance

Other Professional Liability (E&O) Insurance Provider Comparisons

Sources for Aon vs TechInsurance

Sources About Aon

  1. 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.
  2. 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.
  3. 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.

Sources About TechInsurance

  1. About TechInsurance. TechInsurance; Opening description; one-application process; History of TechInsurance, 2011 and 2022 entries. Accessed 2026-09-16.
  2. Technology Errors and Omissions – Tech E&O Insurance. TechInsurance; Tech E&O insurance includes two policies; quotation form; Technology professionals we insure. Accessed 2026-09-16.
  3. Contact Us. TechInsurance; FAQs: How does TechInsurance work? (agent assistance obtaining surety bonds); agent or broker role; application; finding quotes; updating address; certificates. Accessed 2026-09-16.
  4. Errors & Omissions (E&O) Insurance. TechInsurance; What does errors and omissions insurance cover? (professional negligence, errors or incomplete work, breach of contract, missed deadlines, misrepresentation, communication challenges); How much does E&O insurance cost?; Who should get errors and omissions insurance coverage?; How does E&O insurance coverage work? (claims-made). Accessed 2026-09-23.

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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