Altor, a private equity fund, agreed to acquire a stake in Palette Software, a developer of financial process automation software, from Monterro, a Nordic growth investor into B2B software companies. Financial terms were not disclosed. “We are really pleased with the outcome of this growth journey we have taken together with the Palette team. We are happy to see how successfully Palette’s CEO Mats Ferm and the management team have scaled the company’s product and business model to become a leader in AP Automation. We look forward to following their continued journey ahead," Thomas Bill, Monterro Co-Founder.