If you are having trouble making a deposit to William Hill, here are a few things you may try:
1.) Verify your payment method. Some banks are known to decline transactions with online wagering companies, including William Hill. These banks include:
-Bank of America
2.) William Hill lists the following methods as the preferred deposit methods:
-William Hill prepaid card (you may apply for a William Hill prepaid card directly from the deposit page)
-In-person deposit at Monmounth Park Sports Book, Ocean Resort Casino, Tropicana.
You may learn more about the above listed payment options here: https://help.us.williamhill.com/en-us/payments/deposits/deposit-faqs
3.) If your bank is declining the transaction, you may be able to call your banking institution's customer service team to ask that they allow the transaction with William Hill.
4.) Also, make sure you verify that the billing address you have entered is the same address linked to your credit/debit card. When these addresses do not match, the deposit may fail.
5.) If you are still having trouble depositing after verifying the above, you may reach William Hill's support team for assistance here: https://help.us.williamhill.com/en-us/contact-us