Constant Contact, a digital marketing firm, has completed its acquisition of Vision6, an Australia-based e-mail and SMS marketing software. Constant Contact is backed by Clearlake Capital Group and Siris Capital Group. Financial terms of the transaction have not been disclosed.

The acquisition will help Constant Contact integrate its email marketing and analytics into the Australian market. Constant Contact will preserve Vision6’s data sovereignty.

Co-founder and CEO of Vision6 Mathew Myers said, “his deal enhances Vision6’s ability to support the evolving needs of our customers as a trusted Australian SMS and email marketing software. We are excited to join the Constant Contact team – they clearly share our passion for innovation and, together, we see an opportunity to accelerate our growth.”