Aon vs Techinsurance: Professional Liability / E&O Insurance

What Are the Key Differences Between Aon and TechInsurance 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. [1] [4]

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. [1] [4]

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. [1] [4]

What Should You Confirm in Aon and TechInsurance 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. [1]
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. [4]

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.

Sources reviewed

01
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
02
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
03
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
04
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
05
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
06
Get business insurance
U.S. Small Business Administration · Six common types of business insurance table · accessed 2026-09-16

Areas of coverage

Aon

role: 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. Aon’s global professional-services practice page. This establishes a marketed brokerage/advisory offering, not policy issuance or account-specific placement.company-reportedSource ↗
eligibility: 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. Audience described for Aon’s global professional-services practice. It does not establish U.S. state availability or underwriting eligibility for a placement.company-reportedSource ↗
coverage: 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. 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.company-reportedSource ↗
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. Company-reported advisory services on Aon’s global practice page; account-specific service scope is not stated.company-reportedSource ↗
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. 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.not-foundSource ↗
limits: 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. Aon’s global practice page as reviewed 2026-09-30; no quote, bond form or issued policy was reviewed.not-disclosedSource ↗

TechInsurance

role: 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. Errors and omissions product page.company-reportedSource ↗
insurer: The reviewed page does not name the issuing insurer for an E&O policy. Errors and omissions product page as read on 2026-09-23.not-disclosedSource ↗
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. Errors and omissions product page; general policy description, not a specific policy form.company-reportedSource ↗
coverage: 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. Errors and omissions product page, Why is it important to keep your E&O insurance policy active? section.company-reportedSource ↗
limits: 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. Errors and omissions product page cost section; a company-reported median from TechInsurance's own book of business, not a published rate table.company-reportedSource ↗
eligibility: 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. Errors and omissions product page, Who should get errors and omissions insurance coverage? section.company-reportedSource ↗
claims: 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. Errors and omissions product page, How does E&O insurance coverage work? section.company-reportedSource ↗