HMRC Look-Back Periods for R&D Claims
4–6 years for careless errors, up to 20 years for deliberate behaviour — why early action is critical.
Voluntary Disclosure After an R&D Overclaim
Using the Worldwide Disclosure Facility (WDF) or Contractual Disclosure Facility to correct errors before HMRC discovers them.
Director Liability in R&D Investigations: What You Need to Know
What You Need to KnowPersonal exposure risks, how to mitigate them, and real-world outcomes from recent HMRC cases.
R&D Tax Credit Penalties: How Low Can They Go?
From 100%+ to 0–30% with full cooperation — what HMRC looks for and how specialists maximise reductions.
How to Defend Your R&D Claim: Step-by-Step
Evidence gathering, HMRC meeting preparation, and negotiation strategies to reduce penalties and avoid escalation.
What Triggers an HMRC R&D Tax Investigation?
Common red flags including overclaimed costs, ineligible activities, and third-party whistleblowers. How to spot early warnings and respond correctly.