Bristol have agreed new contracts with three players who would have been out of contract next summer.
Centre Sam Cox and fly-half Jason Strange have signed two-year extensions to their deals, while scum-half Greg Nicholls has penned an extra year.
The Premiership side are hoping to conclude negotiations with seven more players by the end of January.
Meanwhile, Bristol have made Martin Rospide, Jason Hobson, Andrew Reay and Rik Martin-Redman available for loan.