HMRC Help

We provide comprehensive guidance documents on various HMRC topics, equipping you with the knowledge you need to make key decisions.

Our guides cover practical tips on how to contact them, how they contact you, record keeping and what HMRC’s role is. Whether you simply want to enhance your knowledge or have a specific questions relevant to your business, our detailed articles provide the insights you need. 

Most Searched HMRC Topics

HMRC Payment Plan Interest Rate
HMRC charges interest on payment plans even if agreed. Learn what the HMRC payment plan interest rate is, and how it compares to other forms of debt.

What Is HMRC?
HM Revenue & Customs is the UK’s tax authority. Find out what HMRC is, what it does, and which taxes and benefits it manages.

How to Contact HMRC
Phone, webchat, post, different services use different numbers. Discover how to contact HMRC, including the fastest ways to get a reply.

What Are the Chances of Being Investigated by HMRC?
Investigations are rare but not random. Learn what the chances of being investigated by HMRC are, and what triggers an enquiry.

How Far Back Can HMRC Investigate?
Most checks go back four years but serious issues can extend that. Find out how far back HMRC can investigate, and what records you need to keep.

Do I Have to Notify HMRC of Savings Interest?
If you're over your allowance, yes. Learn whether you have to notify HMRC of savings interest, and how it’s usually reported automatically.

Do I Need to Declare Cash Gifts to HMRC UK?
Not for most small gifts but larger ones may count. Discover whether you need to declare cash gifts to HMRC in the UK, and what counts toward inheritance tax.

Do HMRC Call You?
Usually no and scam calls are common. Find out whether HMRC will call you, how to spot a scam, and what to do if you’re unsure.

Can I Get a Copy of My P60 from HMRC?
HMRC doesn’t issue them your employer does. Learn how to get a copy of your P60, and what to do if your employer no longer trades.

Can I Get a Copy of My P45 from HMRC?
HMRC doesn’t keep P45s they're issued by employers. Find out how to get a copy of your P45, and what alternatives are available.

How to Change Address with HMRC
You can do this online or by post. Discover how to change your address with HMRC, and which services you need to update separately.

Will HMRC Call Me from a Mobile Number?
Highly unlikely, most calls come from landlines or withheld numbers. Learn whether HMRC will call you from a mobile number, and how to report suspicious contact.

What Time Does HMRC Open?
Most helplines run 8am–6pm Monday to Friday. Find out what time HMRC opens, and when phone lines are usually quietest.

How Long Do You Have to Keep Records for HMRC?
For individuals, it’s typically 22 months; for businesses, up to 6 years. Learn how long you have to keep records for HMRC, and what counts as adequate documentation.

How to Pay HMRC
Bank transfer, card, or direct debit — it depends on what you owe. Discover how to pay HMRC, and what references to include so your payment is processed correctly.