AI Hallucination ResearchAudiencesPractitionersUnited Kingdom › Accountants (CA/PA)
Practitioners — Accountants (CA/PA) · published 2026-05-28 · methodology v2.1

AI Hallucinations Affecting Accountants (CA/PA) in the United Kingdom

Findings — impact summary

This is the consolidated view of findings. Click 'see details →' on any item for the full details for each finding.

  1. Finding 1. Charity and micro-enterprise scope under the Consumer DutyRLB-F-GB-FCA-CONSUMER-DUTY-PS22-9-Q005

    An accountant advising a financial services client on Consumer Duty scope who relies on an AI tool's answer to this question may incorrectly classify certain charities as outside the Duty — either by applying an 'annual income' test instead of the correct 'annual turnover' test, or by treating the definition as confined to deposit-taking and payment services rather than applying across the firm's regulated activities. A client who proceeds on that basis and excludes eligible charities from its Consumer Duty programme is non-compliant, and the FCA has been active in reviewing firms' scoping decisions under the Duty. The accountant who provided the underlying advice without verifying it against the FCA Handbook faces professional exposure if the error is later identified by the regulator or by the client.

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  2. Finding 2. Quantification of non-monetary benefits in fair value assessmentsRLB-F-GB-FCA-CONSUMER-DUTY-PS22-9-Q008

    An accountant supporting a client's Consumer Duty fair value assessment who takes the AI's answer at face value may advise the client to produce quantified or substantiated comparative analysis of non-monetary benefits — work the FCA does not require and which could misdirect significant internal resource. More seriously, if the client's compliance documentation reflects the AI's elevated standard rather than the FCA's actual position, it may create a false benchmark against which the firm's future practice is judged. The FCA's supervisory reviews of Consumer Duty implementation have focused on fair value methodology; an accountant who misrepresents the FCA's requirements in a compliance opinion or board paper carries professional liability if that advice is relied upon and later shown to be wrong.

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