USA: Cost of Professional Liability Insurance for Accountants According to Insureon's 2026 cost data, financial service and accounting professionals pay an average of $42 per month, or $500 annually, for professional liability insurance. But the actual range is much wider than that average suggests: Professional liability insurance costs between $32 and $193 monthly, depending on your industry and location. A solo accountant pays $1,437 annually, while a two-employee firm pays $315 more due to increased liability exposure. Here is what specific providers charge US accountants in 2026: ProviderMonthly Cost (Accountants)Annual CostBest ForNEXT Insurance~$26~$312Solo accountants, fastest quoteThimble~$30~$360Freelance/part-time accountantsSimply Business~$42~$500Small accounting firmsCoverdash~$50~$600Growing practicesThe Hartfordcustom~$1,560Established firms, best serviceIndustry Average~$78~$931Benchmark comparison 🇺🇸 Cheapest Professional Liability Insurance for Accountants: US Providers (2026)

Source: Insureon, NEXT Insurance, The Hartford — solo accountant, $1M coverage, no prior claims

UK: Cost of Professional Indemnity Insurance for Accountants In the UK, professional liability insurance for accountants is called professional indemnity (PI) insurance and is mandatory for members of the ICAEW, ACCA, AAT, and CIMA. Hiscox business insurance for accountants starts from £8.40 per month, covering professional indemnity, with policies compliant with ICAEW minimum terms for Chartered Accountants. Here is the full UK provider comparison for 2026: ProviderStarting Monthly CostStarting Annual CostBest ForAXAFrom £6/monthFrom £68/yearBudget-conscious accountantsSimply BusinessFrom £5.64/monthFrom £67/yearComparing multiple quotesHiscoxFrom £8.40/monthFrom £100/yearICAEW/ACCA compliant coverPolicyBeeCustomFrom £92/yearACCA, AAT, CIMA membersMarsh CommercialCustomCustomTop 100 accounting firmsHowdenCustomCustomLarge established practices 🇬🇧 Cheapest Professional Indemnity Insurance for Accountants: UK Providers (2026)

Source: Simply Business, Hiscox UK, AXA — sole trader accountant, £100K–£500K cover

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Claim	Source
US avg $42/month for accountants	Insureon
Solo accountant pays $1,437/year	MoneyGeek
UK AXA from £6/month	AXA UK
UK Hiscox from £8.40/month	Hiscox UK
Simply Business from £5.64/month	Simply Business UK
ICAEW minimum £2m cover (Sept 2024)	ICAEW
ACCA requires 6 years run-off cover	PolicyBee
Raising deductible saves 10-15%	MoneyGeek
Annual pay saves 5-8%	Insureon