The organisation released its consolidated report and accounts for the financial year October 1 2015 to September 30 2016 this morning.
Turnover increased to £18.7 million.
Advantage managing director, Julia Lo Bue-Said, said: “We are delighted at the performance of the group; creating a wealthy business on behalf of our member shareholders.
“We will continue investing further in the group, an example of which was the acquisition made for the majority of shares in WIN earlier this year.