The Western Force have signed NSW Waratahs flanker Chris Alcock to a two-year deal.

Alcock will follow former Waratahs mentor Michael Foley across the Nullarbor for the 2013 Super Rugby season.

The openside flanker has played 25 matches for the Waratahs since making his provincial debut against the Cheetahs two years ago, after he was plucked from Sydney grade rugby for the beginning of the 2010 season.

Alcock, who played 12 matches in 2012, starting in the No.7 jersey for the bulk of the season, is Foley's second signing following the retention of local product Kyle Godwin.

The South African-born 24-year-old says he's excited about representing the Western Force and continuing his partnership with Foley.

"I've got a great relationship with Foles and he's been very helpful in developing me throughout my professional career, so I was very pleased to have the opportunity to continue working with him at the Force," he said.

"It's a great opportunity for me at the Force. It's going to be a fairly new team with a number of guys leaving, and it's a great opportunity to be part of something new."

- AAP