Al-Mubarak is keen to build on that success and revealed that the board already have a good idea of who they will be looking buy and sell when the transfer window opens again.
"We know exactly what needs to be done. We know exactly the players that need to go and the players that need to come in, the areas that need to be strengthened, the players that we intend to bring in to fill these areas," he told the club's official TV channel.
"I can tell our fans to expect, as last year, an efficient and swift execution plan. We will have, after the World Cup, a good pre-season and we will go into the season very ready, as we did last year, to compete for four championships."
City have been limited to a net outlay of £49m this summer due to breaching the Financial Fair Play regulations.