How do I contact HMRC?

Phone helplines, online chat, or post. Use Government Gateway for most online services.

Can I get a tax refund from HMRC?

Yes, if you've overpaid tax. Claim through Self Assessment or contact HMRC directly.

How long does HMRC take to respond?

Varies: online queries often faster; postal can take 4-8 weeks; complaints have set timescales.

What records must I keep for HMRC?

Generally 5 years after 31 January deadline; longer for some situations like property.

Can HMRC investigate me?

Yes, through compliance checks. Random checks occur, but most are triggered by discrepancies.

General2026/27

What is HMRC? UK Definition 2026/27

Written by Waqas Sagar ACA, FCCA, FMAAT

•

Verified by ICAEW, ACCA & AAT

•Updated April 2026

Quick Answer

Her Majesty's Revenue & Customs - the UK government department responsible for tax collection.

Definition of HMRC

HMRC (His Majesty's Revenue & Customs) is the UK government department responsible for collecting taxes, paying tax credits and child benefit, enforcing customs regulations, and administering National Insurance. HMRC also handles VAT registration, Self Assessment, PAYE, and tax investigations.

HMRC — Key Facts for 2026/27

Tax collected	~£800 billion/year
Self Assessment deadline	31 January
Online services	Government Gateway
Helpline	0300 200 3300

How HMRC Works — Example

HMRC contact timeline

1General enquiries: 0300 200 3300
2Self Assessment helpline: 0300 200 3310
3VAT helpline: 0300 200 3700
4Employer helpline: 0300 200 3200
5Online: Government Gateway account

How HMRC Affects Your Tax

HMRC interactions are part of every taxpayer's life. Understanding your rights (to appeal, to make reasonable corrections) and obligations (to file on time, keep records) helps manage your tax affairs effectively.

Official HMRC Guidance on HMRC

For official guidance, refer to HMRC's documentation. Tax rules can change, so always verify current rates and thresholds on gov.uk.

HMRC official website

Frequently Asked Questions about HMRC

Related Tax Terms

Self Assessment

The system for reporting income and calculating tax owed to HMRC.

PAYE

Pay As You Earn - the system for deducting income tax and NI from wages.

VAT

Value Added Tax charged at 20% on most goods and services.

National Insurance

Contributions paid by employees and employers that fund state benefits.

Accuracy Note

This information is for guidance only and is based on 2026/27 tax year rates. Tax rules are complex and your circumstances may differ. For personal advice, consult a qualified accountant or tax adviser.