Premiership club Bristol sign London Irish fly-half Shane Geraghty on an undisclosed-length contract.
London Irish back row forward Luke Narraway signs a one-year contract extension with the club.
Full-back Ben Ransom joins Championship club London Irish from Premiership and European champions Saracens.
Harlequins hooker Dave Ward signs a new undisclosed contract with the Premiership club.
Premiership side London Irish sign fly-half Greig Tonks from Pro12 club Edinburgh with immediate effect.