A MAN has been held-up at gunpoint and robbed of his car in the loading dock of a Dickson business.

Police say that at about 4.30am on April 10, the offender allegedly approached the victim, produced a gun and demanded the keys to the grey Mazda 2. The vehicle was later found crashed into a tree near Lake Ginninderra.

Police have issued security camera images of the alleged offender. He was wearing a dark hoodie, black shorts with red and blue runners. He was also carrying a dark backpack.

Investigators would also like to speak with anyone who may have dashcam footage of the grey car on April 10 or may have seen the vehicle at the time.

Anyone with information should call 1800 333000, or via the Crime Stoppers ACT website.