Free R&D tax credit tools

Guidance you can read before you speak to anyone: what HMRC's advance claim notification asks for, and whether you have missed the deadline that now disqualifies most late claims.

Claim notification deadline checker

Claim notification deadline

Find the date by which HMRC must hear from you, before the claim is lost.

Check your deadline
HMRC R&D pre-notification form

HMRC pre-notification form

What the advance notification asks for, and how to file it correctly.

View the form