Police are investigating a suspicious fire that occurred at a unit complex in Glenorchy late Tuesday night.

Emergency services were called to the Continental Road property at about 11:30 pm on 14 July, following reports of a unit on fire, according to a statement from Tasmania Police.

All residents of the unit were able to evacuate safely, and Tasmania Police confirmed that no injuries were reported.

Crews from the Tasmania Fire Service attended the scene and quickly brought the blaze under control, preventing its spread to adjacent units.

Following the containment of the fire, an investigation was conducted into its cause. A police spokesperson said the investigation determined the fire was deliberately lit. As a result, the incident is being treated as suspicious.

Glenorchy Criminal Investigation Branch is continuing to investigate the circumstances surrounding the fire.

Tasmania Police are appealing to the public for any information related to the incident. They have asked anyone who may have seen suspicious activity in the Continental Road area around the time of the fire to come forward.

Members of the public can provide information directly to police by calling 131 444 or to Crime Stoppers Tasmania anonymously on 1800 333 000 or online at crimestopperstas.com.au. When providing information, police have asked the public to quote reference number OR810769.