Former HMRC R&D Compliance Officer and current RCK HMRC Liaison, Alex Marshall, shares his insight on how compliance is everything when claiming R&D tax relief. Compliance within the R&D tax relief scheme has never been more important, with the results of HMRC’s Mandatory Random Enquiry Programme (MREP), outlining greater levels of error and fraud than previously expected, resulting in a major overhaul in activity to tackle non-compliance. But how did we get here?