Barca have been using several mechanisms to increase their revenue in order to offset losses, reduce debt and fulfil LaLiga's financial fair play rules.
Laporta is hopeful that the 35-year-old will be able to return to Barca before he hangs up his boots.
The U.S. investment firm also has ties to Barcelona's rivals Real Madrid.
Barcelona President Joan Laporta backed Koeman last week but said the board would not shirk tough decisions if they needed to be made.
Laporta has continued to mark a cautiously optimistic tone when asked if he was close to convincing Messi to stay put.
The former Barcelona captain has always been a strong candidate for the job but he rejected to fill the position at Barcelona twice.
Messi is not expected to consider offers to renew his contract until the end of the season but Laporta has been pulling hard on the heart-strings.
Lionel Messi and co will be out of the competition's quarter-finals for the first time since 2006-2007 season.
Laporta is known among Barcelona fans as the mastermind of Barcelona’s revolution that led to the club’s dominance over European football.
The former President of Barcelona Joan Laporta spoke to the Spanish newspaper Marca on how he bought Ronaldo de Assis Moreira as a replacement for David Beckham