A cable support device, cable tie and cable tidy are provided. The cable support device includes a retainer, for retaining the cable support device to an edge of a surface, such as a desk or table, and a cable support, coupled to the retainer, and configured to support one or more cables. The retainer comprises: a planar upper support member; and an opposing biasing member, configured to bias the surface towards the planar upper support member to thereby retain the retainer to the surface. The biasing member tapered along its length, such that it is more flexible at its end.