Two private equity firms Warburg Pincus and Cove Hill Partners agreed to acquire a minority stake in NetDocuments, a cloud-based document and email management service, from Clearlake Capital, a private investment firm. Financial terms were not disclosed. "The partnership with Warburg Pincus provides tremendous potential to not only strengthen existing customer relationships but tap into new opportunities and markets to become the foundational software for legal professionals. We are excited to work with Warburg Pincus and Cove Hill on the Company's next phase of growth and would like to thank Clearlake for their close partnership with our team and for their strategic insight over the years," Josh Baxter, NetDocuments CEO.