Tauranga Police investigating a gun-point robbery are appealing for witnesses.

At 11.30pm on Wednesday, a man burst into a premises in Maungatapu.

Police say the premises was open at the time.

"He was holding a firearm and threatened staff," says a police spokesperson.

"He removed the till and left with it."

Police are making a number of enquiries to identify the offender, including reviewing CCTV footage.

'We would like to speak to anyone who was in the vicinity of Maungatapu between 11 and 11:40pm Wednesday and may have seen anything suspicious.

"Anyone who has any information which may assist is asked to contact Police on 105 and quote file number 210506/3236."

Information can also be provided anonymously by phoning Crimestoppers on 0800 555 111.