Why the qualifications do not transfer
UK statutory accounts follow the Companies Act 2006 and either UK GAAP (FRS 102/105) or IFRS, filed to Companies House in iXBRL format, while corporation tax computations follow UK tax law submitted through HMRC's CT600 system. A CPA's training is built around US GAAP and IRS rules, which are structured differently.
There is no reciprocal recognition between the AICPA and UK bodies that would let a CPA sign UK statutory accounts or act as a UK company's registered tax agent without separately qualifying or working through a UK-regulated firm.






