A man remains in critical condition and the person who shot him is still sought following an afternoon shooting on Tuesday in Aurora.

The shooting happened at Shaus Motorsport at 15551 East 6th Avenue just after 2:30 p.m.

Police told 9NEWS there is no one in custody in connection to the shooting, but stress they don't think the general public is in danger and this was an isolated incident.

It's unclear how many people were inside of the shop at the time of this shooting, but only the victim was injured. His name has not been released, but surrounding business owners, employees and a family member told 9NEWS the victim is the owner of the shop.

On its website, Shaus Motorsport says it is a performance mechanic shop dedicated to fixing up German sports cars like VWs and BMWs.

Investigators would like to speak with anyone who may have witnessed this shooting or with anyone who has information about this case. Witnesses are asked to call Detective Mike Prince with the Major Crimes/Homicide Unit at 303.739.6127 or they can call Metro Denver Crime Stoppers at 720.913.7867.