Ramsey is the fitness coach for the Wales FIRA (under-19) squad, where Rees is the coach.
Former scrum half Tommy Walsh returns from English club Rugby RFC and another scrum half Steve Harris has joined from Calgary in Canada.
Other signings include the big Tongan utility back Movete Ota’ota, formerly of Treorchy. He is joined by last season’s Abertillery skipper Darren Miles, Rhymney wing Romilly Barnett and Abertillery flanker Martyn Williams.