Please find below links for paying HMRC online
Self-Assessment
https://www.gov.uk/pay-self-assessment-tax-bill
You will require your Unique Tax Reference to make a payment.
PAYE
https://www.gov.uk/pay-paye-tax
You will require your Accounts Office Reference to make payment. Also, make sure you allocate the payment to the correct month/quarter when asked.
VAT
You will require your VAT registration number to make payment.
Corporation tax
https://www.gov.uk/pay-corporation-tax
You will require your 17-digit payment reference to make the payment. This can be found on any corporation tax bill.
Please contact the office if you require any of these reference numbers.