Disclosed is biomanufacturing apparatus 1 comprising a housing 20 including top 22 and bottom 24 faces which allow stacking of plural housings, an access door 25 at a front side of the housing, a substantially enclosed bioreactor chamber 30 inside the housing accessible via the door, and a further substantially enclosed region 36 inside the housing containing electrical parts and/or electronic control components, the chamber 30 including: a tray 40 for supporting a bioreactor, a tray support 45 including a mechanism 44,47 for rocking the tray in use; at least a fluid handling portion 48,49 of at least one fluid pump device 54/58; and at least one connection 43 for connecting to a conduit and/or path for carrying fluids, gas and/or electricity.