EveryAction, a provider of digital, development, and organizing SaaS products to nonprofits, including a constituent relationship management (CRM) platform, has acquired Mobilze, an the events management and volunteer recruitment platform.

Terms of the deal were not disclosed. EveryAction leaders reported revenue of $70 million and Mobilize at $5 million. Mobilize CEO Alfred Johnson will continue to run Mobilize as a unit of EveryAction with the title of managing director. Mobilize President Allen Kramer is now EveryAction’s deputy general manager of organizing.

The acquisition will allow organizations to take advantage of complementary systems for online and offline organizing, virtual events management, and workflow automation, according to Stu Trevelyan, CEO at EveryAction. “Mobilize has become a truly irreplaceable part of the ecosystem. We look forward to continuing to rapidly grow Mobilize and add to the nonprofit community,” said Trevelyan.

According to Amanda Coulombe, general manager of organizing of EveryAction, “Our teams have had the chance to work together closely for years delivering value to our many shared clients, the combination just made sense.”

Mobilize has a network of 3,000 organizations and 4 million volunteers. They will be combined with EveryAction’s existing FastAction network of more than 100 million profiles. Additionally, Mobilize clients will be able to connect with the EveryAction products, and EveryAction’s CRM. EveryAction and Mobilize have an existing robust integration that has been used at scale by mutual clients.

EveryAction has 350 employees and Mobilize has 35. While employees are working remotely right now, EveryAction has offices in Washington, D.C. and Boston, Mass., while Mobilize has one in New York. Neither firm uses offshore development.

EveryAction clients include the National Audubon Society, Planned Parenthood Federation of America, and the United Nations Foundation. Mobilize clients include the Sierra Club, the National Education Association, the Human Rights campaign, and the City of New York.