William Blair acted as exclusive financial advisor to Sirion, a portfolio company of Brookfield, Partners Group, Peak XV, and Tiger Global, in connection with its pending majority investment from Haveli Investments (Haveli). The transaction was announced on January 8, 2026, with closing expected in Q1 2026. The transaction represents William Blair’s 40th transaction across legal technology and supply chain technology over the past five years.
About the Companies
Sirion is a leading AI-native contract lifecycle management platform that helps enterprises store, create, and manage contracts with greater intelligence and control. By combining a conversational interface with specialized AI agents, the company enables organizations to manage contractual risk, improve compliance, and gain deeper insight across millions of contracts. Sirion supports more than seven million contracts across over 100 languages for many of the world’s largest enterprises.
Haveli is an Austin-based private equity firm that seeks to invest in the highest quality companies in the technology sector through control, minority or structured equity and debt investments with a focus on software, data, gaming and adjacent industries. The firm seeks to partner with innovative companies, entrepreneurs, and management teams throughout a company's life cycle. Haveli's experienced team of investors and diverse industry experts will provide operational and strategic support, enabling portfolio companies to focus on driving innovation and increasing growth, scale, and operating margins. Underscoring Haveli's investments is an unwavering focus on a culture of inclusivity and sustainability.
Learn more about our technology investment banking expertise.