The Neville brothers, Nicky Butt, Ryan Giggs and Paul Scholes all part own the club, along with Singapore businessman Peter Lim.
However, the club has stalled in League Two since arriving there in 2019, despite a lot of money spent.
They have hired six managers in the past six years, with the club releasing a statement.
It suggests that the current owners remain fully committed but is open to the possibility of the right new partner investing alongside the group."
In addition, the goal is to capitalize on the club's significant sporting, media, commercial and infrastructure opportunities."
Chief executive Butt said: We are backing Salford City with as much commitment and confidence as ever. We have achieved very special things here but there are major opportunities in front of us and we want to make sure we have the right mix of investment and strategic partners to take advantage of those opportunities.
We had an original 10-year plan and with strong foundations now in place, it was always the intention to explore options for the next phase. That includes potentially bringing in new partners to help us grow the club and best serve the fans and community."