The invention relates to an arrangement for picking and sorting products in a warehouse, which arrangement comprises a main body (400) arranged to move in at least one direction, at least a first load handling unit (401) and a second load handling unit (402), arranged adjacent to each other in the main body for positioning the products to a storage position (201, 202; 203; 204) and removing the products from a storage position, means for producing location information of the products in the storage position, and a control unit for controlling the movements of the main body and the load handling units, based on the location information, for sorting the products to storage positions by type of products. The invention also relates to method for picking and sorting products in a warehouse.