United Kingdom
HM Revenue & Customs PDF Forms
UK tax forms, payroll onboarding forms, and VAT guidance documents.
SA100
SA100 — Self Assessment Tax Return
The SA100 is the main Self Assessment tax return form used to report income and claim tax reliefs.
Starter Checklist
Starter Checklist for PAYE
The starter checklist helps employers collect information from new employees who do not have a recent P45.
VAT1 Notes
VAT1 Notes — Help to Apply for VAT Registration
HMRC notes explaining how to complete VAT1 application information for VAT registration workflows.