Call HMRC if you're an authorised tax agent and need to discuss your client's debts

Call or write to HMRC about Self Assessment and PAYE if you’re authorised to act as an agent or tax adviser for your client

Call HMRC about Tax Credits if you’re authorised to act as an agent or tax adviser for your client

Call or write to HMRC for help with the Aggregates Levy, including registering for Aggregates Levy, making payments and making returns

Email, call or write to HMRC if you're an aircraft operator and need help with Air Passenger Duty, including registering and making payments and returns

Use the online form or call HMRC for help using the ATWD online service

Call or write to HMRC for help with paying Beer, Wine and Cider Duty

Email, call or write to HMRC for help with ATED, including making payments and returns

Call HMRC with questions about the Automatic Exchange of Information (AEOI) and to get help submitting an AEOI return

Call or write to HMRC for help with tax after someone dies

Cysylltwch â CThEM i gael gwybodaeth am gymhwystra, hawlio Budd-dal Plant a rhoi’r gorau i’w gael, newid eich manylion personol, a gwneud cwyn

Call or write to HMRC for help with Capital Gains Tax, including general enquiries and how to make payments

Write to HMRC for client authorisation using paper forms 64-8 and FBI2

Call or write to HMRC to get help using the Certificate of Tax Deposit scheme

Tell HMRC when you change your address or other personal details

Contact HMRC if your Charity or Community Amateur Sports Club needs help on Gift Aid, Payroll Giving, tax reliefs, VAT or completing a Company or Self Assessment tax return

Contact HMRC for information about eligibility, claiming and stopping Child Benefit, changing your personal details and making a complaint

Contact HMRC online to find out where a Child Trust Fund is held, or if your child is terminally ill and you want to take money out of their fund or Junior Individual Savings Account

Call or write to HMRC if you're a childcare provider and need help with Working Tax Credit

Call HMRC if you need help applying for Tax-Free Childcare, 30 hours free childcare or using your online childcare account

Call or write to HMRC for help with the Climate Change Levy, including registering and making payments and returns

Use the online form, call or write to HMRC to complain about the service provided

Complain to HMRC about their digital and online services

Call or write to HMRC if you're a contractor or subcontractor within the Construction Industry Scheme for help with queries on the scheme, getting forms and leaflets, and using CIS online

Call or write to HMRC for advice on how to make Construction Industry scheme payments

Use the online form or call HMRC to order Corporation Tax forms

Call or write to HMRC for help with general Corporation Tax enquiries

Call HMRC for advice about Group Payment Arrangements

Use online forms to contact HMRC for Corporation Tax multiple payments by CHAPS and to tell HMRC a Corporation Tax payment is not due

Use this address if you're a courier for all post items being delivered to a HMRC site that does not accept post, a PO box, or a postcode beginning with BX

Contact HMRC for help with Film Tax Relief, Animation Tax Relief, High-end Television Tax Relief and Video Games Development Relief

Call HMRC for tax advice if you're a Crown servant living abroad

Call HMRC to check a visiting debt collector is a genuine HMRC employee

Call or write to HMRC for help with deferred National Insurance payments if you have more than one job

Email, call or write to HMRC for help with the Duty Deferment Scheme

Contact HMRC to get help sending payments to HMRC for PAYE Class 1 and Class 1A National Insurance, PAYE late penalties and PAYE Settlement Agreements

Call or write to HMRC for tax help if you employ non-UK expatriates

Contact HMRC with employer enquiries on PAYE, NICs, Statutory Payments, stakeholder pensions and student loan repayments

Call HMRC to check the tax code of one of your employees

Contact HMRC with employer enquiries about the National Minimum Wage

Call HMRC if you're an employer and need a form or publication that you cannot download

Call or write to HMRC for advice if you’re a new employer or contractor

Call or write to HMRC for help with employer enquiries on share schemes

Call or write to HMRC to check if you or someone else is classed as employed or self-employed

Email or call HMRC for information about the Excise Movement and Control System (EMCS)

Call HMRC for help with registration and enrolment on the Excise Movement and Control System (EMCS) online service

Contact HMRC with your questions about alcohol, tobacco, fuel duties, warehousing and moving excise goods

Call HMRC for support if flooding has caused you tax problems

If you suspect someone of benefit fraud report them online here

Email HMRC to report a fraudulent or phishing email, phone call or text message that mentions HMRC

Call or write to HMRC for advice about gambling duty, or if you have a problem using the online Gambling Tax Service

Use the online form or call HMRC for help with all VAT online services

Contact HMRC for help with Guardian's Allowance if you're bringing up a child whose parents have died

Call HMRC if you're having problems using the Help to Save service

Contact HMRC for help with questions about importing, exporting and customs reliefs

Contact HMRC for help with questions about Income Tax, including PAYE coding notices and Marriage Allowance, and Class 4 National Insurance

Call or write to HMRC for advice on probate and Inheritance Tax following a death

Post your Inheritance Tax payment to HMRC, or use the online form to get an Inheritance Tax reference number

Call or write to HMRC for help with Insurance Premium Tax

Use the online forms, call or write to HMRC if you've been contacted about a tax debt from an EU member state

Email, call or write to HMRC for help with IR35 enquiries

Call or write to HMRC for help with Landfill Tax, including registering and making payments and returns

Call or write for help with HMRC's Let Property campaign, including checking if it applies to you

Ffoniwch CThEM os oes angen help arnoch i wneud cais ar gyfer Gofal Plant sy'n Rhydd o Dreth, 30 awr o ofal plant yn rhad ac am ddim neu i ddefnyddio'ch cyfrif gofal plant

Write or email HMRC if you have approval as a registered dealer in controlled oils and you need to change any of your details

Call or write to HMRC for help with payments for tax, penalties and enquiry settlements that have a reference beginning with an 'X'

Email, call or write to HMRC for advice about money laundering and how to report suspicious transactions

Contact HMRC with questions about moving third country goods into, out of, or through the EU

Contact HMRC with questions about import customs reliefs

Contact HMRC if you have not received your National Insurance number or have lost or forgotten it

Contact HMRC for changes of details, rates, credits, Statutory Payments, online statements and for help with gaps in your National Insurance contributions

Contact HMRC for advice on National Insurance and healthcare if you're under State Pension age and live or work abroad

Call the National Yachtline if you're sailing your yacht or pleasure craft to the UK

Email or call HMRC for help with the New Computerised Transit System, Import Control System, Export Control System and using the online services

Email HMRC if you're a software developer testing the New Computerised Transit System

Call or write to HMRC for tax advice if you're a non-UK resident and have been employed in the UK for up to 3 years

Call or write to HMRC for tax advice if you're a non-UK resident entertainer or sportsperson who performs or competes in the UK

Call or write to HMRC to register for the Non-resident Landlord (NRL) scheme or for help if you live outside the UK but have rental property there

Contact HMRC for help with Income Tax or Capital Gains Tax if you live or work abroad

Contact HMRC if you live outside the UK permanently and need help paying your UK tax

Call or write to HMRC for tax guidance about investing in or expanding your business in Northern Ireland

Call HMRC to get advice about the Worldwide Disclosure Facility to make a disclosure for offshore income or assets

Write to or fax HMRC for help with general enquiries and Advanced Pricing Arrangements (APAs) applications for large businesses in the oil and gas sectors

Call HMRC if you're having problems paying with a debit or credit card - you cannot make payments using this phone number

Email or write to HMRC if you're an overseas government administration and want advice

Contact Her Majesty’s Passport Office (HMPO) for advice or complaints about British passports issued in the UK.

Call HMRC if you're having problems making a payment before the deadline.

Contact HMRC for help with pension scheme queries if you're a pension scheme administrator, pension provider or member of a pension scheme

Email or call HMRC to get help with contracting out of the Additional State Pension from the National Insurance Services to Pensions Industry (NISPI)

Call HMRC for help with filing your pension scheme forms and returns online

Send Income Tax repayment forms R40 and R43 to this address

Contact HMRC to report all types of smuggling, misuse of red diesel, customs, excise and VAT fraud

Email, call or write to HMRC to report a scheme that you think has been set up to avoid tax

Contact HMRC to report someone not paying their fair share of tax

Call HMRC for advice on your savings (including ISAs) and claiming tax back on interest

Call HMRC with Income Tax enquiries if you work on a ship

Call or write to HMRC with National Insurance enquiries if you are working on a ship or offshore in the oil and gas industry

Call or email HMRC for help with the Secure Data Exchange Service (SDES)

Call HMRC to order Self Assessment forms

Contact HMRC for advice on Self Assessment and to change your personal details

Use the online forms or call HMRC for help with filing your Self Assessment tax return online, or if you have lost your Government Gateway user ID and password

Contact HMRC for advice on how to make Self Assessment payments

Contact HMRC if you're self-employed and have an Income Tax enquiry or need to report changes to your personal details

Contact HMRC if you're self-employed and have a National Insurance enquiry, need to report changes to your personal details or to register you have started self employment

Call or write to HMRC about the valuation of unquoted shares and other assets

Use the online form or call HMRC to get help with the Soft Drinks Industry Levy, including general enquiries, registering warehouses and changing your details

Call or email HMRC to get technical information and support if you're a software developer

Call or write to HMRC for help with Stamp Duty Land Tax and payments

Use the online form or call HMRC to order Stamp Duty Land Tax forms and payslips

Email, call or write to HMRC for help with Stamp Duty Reserve Tax and payments

Call or write to HMRC for help with enquiries about Stamp Duty on shares, and on land and property transactions made before December 2003

Call HMRC for technical help with filing stamp tax returns online

Email or write to HMRC with questions about statutory notices and get the postal address to send paper returns to

Cysylltwch â CThEM am help gyda thaliadau treth

Email or call HMRC if you're in a tax avoidance scheme and want to leave it

Call, write or use the online form to contact HMRC for help with tax credits or to report changes to your circumstances

Call or write to HMRC if you have had a 'notice to pay' an overpayment of tax credit and cannot pay the full amount

Contact HMRC with technical problems when using HMRC systems, sending forms online, error messages and using HMRC free software and tools

Cysylltwch â CThEM am help gyda Threth Incwm, Hunanasesiad, credydau treth, Yswiriant Gwladol, TWE a mwy

Call or write to HMRC for advice about Income Tax and Capital Gains Tax for trusts

Write to HMRC to change your details if you're in the Annual Accounting or Flat Rate schemes, or want to leave the schemes

Call or write to HMRC for help with reporting errors on your VAT Return

Contact HMRC with questions about VAT (including Making Tax Digital for VAT) and to report changes to your business

Send your VAT Return to HMRC if you or your business becomes bankrupt or insolvent

Email, call or write to HMRC for help on deciding how to tax land or buildings for VAT purposes

Contact HMRC about reclaiming VAT paid in the UK if your business is based overseas

Use the online form or call HMRC to order VAT paying-in slips

Use online forms or write to HMRC to register for VAT and keep your VAT registration details up to date

Contact HMRC for information about VAT reliefs available for disabled and older people

Call or write to the Wealthy Team if you deal with them but do not know who your relationship manager is, or think you should be dealing with the unit and are not

Cysylltwch â CThEM am help gyda thollau, ecseis a TAW