The function of HAUS3 (HAUS augmin like complex subunit 3, ENSG00000214367) is as follows. Contributes to mitotic spindle assembly, maintenance of centrosome integrity and completion of cytokinesis as part of the HAUS augmin-like complex. {ECO:0000269|PubMed:19369198, ECO:0000269|PubMed:19427217}.