STAY AWAY! They are scammers, I don't want to mention names, But I know these crooks very well! They are always changing names and companies and closing them down. The website is called PrimeSiteDigital.com, Most people will find this post after they have paid when they notice they have been scammed. Open a chargeback at your bank if you feel you have been scammed by those crooks. Everything about them is fishy. https://find-and-update.company-information.service.gov.uk/company/05721547/filing-history
You can find address here to open a small claims to get money back.