Spotting a charge you don't recognise is alarming — but before jumping to conclusions, most mysterious charges turn out to be legitimate purchases with unfamiliar names. The key is to investigate systematically before contacting your bank, because disputes for charges that turn out to be valid can complicate your account.
Step 1: Don't panic — identify it first
The majority of unrecognised charges have a mundane explanation:
- Parent company names — Many businesses charge under their corporate name, not their consumer brand. SHEIN charges as ROADGET BUSINESS. Apple charges as APPLE.COM/BILL. Amazon charges as AMZN MKTP.
- Subscriptions you forgot about — Free trials that converted, annual renewals for services you don't use daily
- Someone else in your household — A partner, family member, or housemate who has access to your card
- Pre-authorisation holds — Hotels and car hire companies often place a temporary hold before the actual charge settles
Use the DecodeMyCharge tool to look up the exact text from your statement. If it's a known merchant, it'll tell you immediately. If it's still unclear, move on to the steps below.
Step 2: Check all recent activity thoroughly
Before contacting your bank, do a thorough check:
- Check your email inbox for receipts or confirmation emails from around the same date
- Check your PayPal and any digital wallets for matching transactions
- Check Amazon, eBay, and any other marketplaces you use for recent orders
- Check your Apple App Store / Google Play purchase history — many app charges appear as APPLE.COM/BILL
- Ask any household members who may have access to your card
If the charge matches something found in this investigation, it's legitimate — no further action needed. If you genuinely can't match it to anything, proceed to the next step.
Step 3: Contact the merchant directly
Before going to your bank, try to contact the merchant. Banks expect you to try this first, and it's often faster. Look up the company name from your statement, find their customer service contact, and ask them to look up the charge using your card's last 4 digits and the date.
Many charges get resolved this way without a formal dispute. The merchant can often see the transaction on their side and tell you exactly what it was — or confirm it was an error and refund it immediately.
Step 4: When to contact your bank
Contact your bank if:
- You genuinely don't recognise the charge and can't account for it
- The merchant can't identify the charge or won't respond
- The charge is clearly fraudulent (your card was lost or stolen)
- There are multiple suspicious charges in a short period
Call the number on the back of your card or use your bank's app to report the charge. Most UK banks have a dedicated fraud team available 24/7.
Step 5: The chargeback process
A chargeback is your legal right as a UK cardholder to dispute a transaction and have the money returned. It applies to both debit and credit cards, though the rules are slightly different:
- Debit cards: Chargeback is provided under Visa/Mastercard rules — your bank disputes the charge with the merchant's bank. You typically have 120 days from the transaction date.
- Credit cards: You have additional protection under Section 75 of the Consumer Credit Act for purchases between £100 and £30,000. This is stronger protection than a standard chargeback.
To initiate a chargeback: tell your bank you want to raise a dispute, provide the transaction details, and explain why it's unauthorised or incorrect. Your bank will investigate and temporarily credit your account while they do so.
Step 6: Get a new card number
If a charge is genuinely fraudulent, request a new card number immediately — even if your bank refunds the charge. Your card details have likely been compromised, and further fraudulent charges could follow.
Most UK banks can issue a new card number quickly (some do it virtually within minutes via their app). Your account number and sort code stay the same — only the card number and CVV change, so you won't need to update your direct debits.
What if the bank won't help?
If you've raised a dispute and your bank has rejected it unfairly, you can escalate to the Financial Ombudsman Service (financial-ombudsman.org.uk) — a free, independent service that resolves disputes between consumers and financial companies. The Ombudsman has strong powers and banks generally take their involvement seriously.
Preventing it in future
- Set up transaction notifications in your banking app so every charge alerts you immediately
- Use a dedicated virtual card number (via Revolut, Monzo, or your bank's app) for online subscriptions
- Review your bank statement monthly — don't wait 3–6 months before checking
- Delete saved card details from sites you no longer use