VAT UK amazon

Hello, I am a Chinese registered company. The company is registered in China. I am currently engaged in Amazon UK. I am engaged in e-commerce. I need financial help to deal with UK VAT. I have a UK VAT number and a customs clearance number. I need an accountant practicing in the UK. , Processing Amazon VAT. It is required that you have a company address in the UK. In addition, my getway account password is lost and needs to be retrieved.