A shaving blade cartridge includes a housing extending along a longitudinal axis. The housing has a top side, a bottom side opposite to the top side, and two longitudinal sides extending along the longitudinal axis between the top and bottom sides. The shaving blade cartridge also includes a cutting blade mounted in the housing between the longitudinal sides and having a cutting edge extending along the longitudinal axis, and a retainer retaining the cutting blade in the housing. The retainer is retained on the housing by a rivet. A method for the manufacture of shaving blade cartridges and a razor having such shaving blade cartridge are also provided.