...https://www.sportsbreaks.com/Football/Premier-League/Everton?utm_source=Everton&utm_medium=Solus&utm_campaign=Everton_onsale_solus&lid=583w4tx39dab

They say they are an official partner of the club, so presumably legitimate, but a step down from Seat Unique, as these are general admission tickets but they make you book a hotel. And no guarantee you'll sit together if multiple tickets.