STRESS - Even if you know (or, like most people, are 99.9% sure) that everything you have done is above board, you will still worry that they may find something that you or your accountants have got wrong or misrepresented; and...
Any business which has undergone a Tax Investigation by HMRC will know how worrying and problematic this can be. We have extensive experience of dealing with HMRC on behalf of our Clients in Tax Investigations.