Port Philip Crime Investigation Unit detectives are appealing for public assistance following a string of burglaries in Port Phillip.
It is understood a man attended a business on Rouse Street about 3.40am on 6 May.
He gained access to the building before fleeing the scene with two laptops.
It is believed he fled the scene on foot.
Six days later, the first man returned with another man to Rouse Street, this time gaining access to two other businesses nearby about 3.45am.
Officers have been told the pair caused damage to multiple doors at the locations and stole an amount of cash, jewellery, and a CTTV system.
Investigators understand the men also tried to enter a third business but were unsuccessful.
Detectives have released images and CCTV of two men they believe may be able to assist with their enquiries.
The first male is perceived to be Caucasian in appearance, and is approximately 175-180 cm tall and is aged in his 30's.
He was seen wearing a black jumper, black pants, white shoes and was wearing a bucket hat.
The second male is perceived to be Caucasian in appearance and is aged in his 50's.
He was seen wearing a black hooded jacket, brown pants and black shoes.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit an online confidential report at www.crimestoppersvic.com.au.
