A ladder clamp including an anchor part and a ladder retaining part, wherein the anchor part includes an anchor able to be arranged to cooperate with a fixing on a vehicle, and the ladder retaining part includes a body and a securing means, the securing means being co-operable with the anchor part to clamp the ladder retaining part to the anchor part in a releasable manner, wherein the securing means includes a locking element that pivots with respect to the body between clamped and unclamped orientations.