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About Sarah
Sarah is a chartered accountant with specialist expertise in personal tax, Making Tax Digital, and stamp duty land tax. She has reviewed CalcAI's SDLT and MTD calculation logic against the relevant HMRC manuals and Revenue Scotland / Welsh Revenue Authority guidance.
Tools reviewed
Stamp Duty CalculatorLast reviewed: April 2026
Mtd Income CheckerLast reviewed: April 2026
Sarah Okafor’s review covers the accuracy of CalcAI’s calculation logic and explanatory content. This review does not constitute regulated financial, tax, or legal advice. Always confirm important financial decisions with a regulated professional.