HMRC Forms
The HMRC forms and services our clients ask for most, grouped by what you are trying to do. Each links to the current version on GOV.UK.
HMRC has moved most processes into online services, and the online route is almost always faster than a paper form. Where a service exists rather than a form, we have linked the service. If you are a client, check with us before submitting anything — some of these have consequences that are hard to undo.
Self Assessment
- RegisterRegister for Self Assessment
- SA100Self Assessment tax return
- SA103SSelf-employment (short) supplementary pages
- SA105UK property supplementary pages
- SA108Capital gains summary
- SA800Partnership tax return
- PayPay your Self Assessment tax bill
VAT
- RegisterRegister for VAT
- VAT7Application to cancel your VAT registration
- VAT600FRSApplication to join the Flat Rate Scheme
- VAT600AAApplication to join the Annual Accounting Scheme
- ChangesTell HMRC about changes to your VAT registered business
- PayPay your VAT bill
Corporation Tax
- RegisterRegister for Corporation Tax
- CT600Company Tax Return
- Marginal ReliefMarginal Relief guidance, and HMRC’s own calculator
- PayPay your Corporation Tax bill
PAYE and employment
- RegisterRegister as an employer
- Starter checklistPAYE starter checklist, where a new employee has no P45
- P11DReporting expenses and benefits for employees
- LevyApprenticeship Levy guidance
- Employment AllowanceCheck eligibility and claim the Employment Allowance
- PayPay employers’ PAYE and National Insurance
Construction Industry Scheme
- ContractorWhat you must do as a CIS contractor
- SubcontractorWhat you must do as a CIS subcontractor
- Monthly returnsFile your monthly CIS returns
National Insurance and personal tax
- NI recordCheck your National Insurance record
- Marriage AllowanceApply for Marriage Allowance
- RefundClaim a tax refund if you have overpaid
- P50Claim a tax refund when you stop working
- P87Claim tax relief for employment expenses
Making Tax Digital
- MTD for ITUsing Making Tax Digital for Income Tax
- SoftwareFind software compatible with MTD for Income Tax
- MTD for VATMaking Tax Digital for VAT — HMRC’s full collection
Authorising us to act
- 64-8Authorising your agent to deal with HMRC on your behalf
- Digital handshakeAuthorise an agent online
If you cannot pay
- Time to PayIf you cannot pay your tax bill on time
- TTP principlesHMRC’s internal guidance on Time to Pay arrangements
Deregistering for VAT, leaving a scheme, or changing an accounting date all have consequences that are not always obvious at the time. A short conversation first is usually cheaper than an amendment later.
Speak to us, or see our accountancy services.
In preparing and maintaining this section of our website every effort has been made to ensure the content is up to date and accurate. However, the law and regulations change continually, and unintentional errors can occur, and the information may be neither up to date nor accurate. We make no representation or warranty (including liability towards third parties), express or implied, as to the accuracy, reliability or completeness of the information on the website. Please don’t act directly on anything you read — contact us first for advice on how it may affect your individual circumstances.