Presented is a roller shade mounting bracket. The bracket includes a main bracket that includes a top member defining a plurality of elongated openings extending therethrough, where each elongated opening is dimensioned and arranged for receiving a mounting screw and enabling movement along a first axis. The bracket further includes a first sub-bracket movably coupleable to the main bracket, where the first sub-bracket is movable along a second axis. The bracket further includes a second sub-bracket movably coupleable to the first sub-bracket and coupleable to a roller shade motor or a roller shade idler, where the second sub-bracket is movable along a third axis and rotatable about the first axis.