Blackstone-Backed Software Firm ISN Mulls $6 Billion Sale (1)

ISN Software Corp. is exploring options including a sale that could value the compliance software firm at $6 billion or more including debt, according to people familiar with the matter.

Dallas-based ISN, which is backed by Blackstone Inc.’s growth equity arm, is talking to investment banks about a potential sale of all or part of the company that could take place as soon as this year, the people said. The company has already attracted takeover interest from industry players and other private equity firms, they said.

Deliberations are still at a preliminary stage and there’s no certainty that ISN ...