Groundbase is now part of Shadow! Read more here

Organize your Universe with Groundbase

We make affordable and easy-to-use organizing tools for progressive organizations with teams and budgets of any size. Get started for free!


Know Your People

Search, contact and manage your volunteers, donors, and voters quickly, easily and all in one place. Get the full picture of who your supporters are and what they do and use best in class tools to contact and cultivate them.

Personal Contact Tools

Recruit volunteers and mobilize voters with peer-to-peer SMS. Connect your Gmail account and easily send personal emails that end up in the inbox, not the promotions tab.


Automatically sync your ActBlue donors and your Mailchimp subscribers. Use your data to place powerful ads on Facebook using our custom audience builder. Export your data to Google Sheets to easily share with your team.


Start with a 5,000 record database for free and scale with the size of your organization. Sign up to talk to us and learn more!

Database Pricing

Database Size Price
Up to 5,000 people Free!
Up to 10,000 people $25/month
Up to 100,000 people $50/month
Up to 500,000 people $100/month
More than 500,000 people Contact Us!

SMS Pricing

Our peer-to-peer SMS pricing works like a pay-as-you-go phone plan. Send and receive messages for $0.025 each and rent SMS capable phone numbers for your texters for $1.25/month.

Our Team

We are campaign and technology veterans who have built and implemented technology at Hillary for America, Obama for America, Google, Kiva, Apple, the AFL-CIO, and the DNC.

Our passion is to create a permanent advantage for progressive campaigns and causes through technology.

Ready for Groundbase?

Interested in working together? We'd love to start the conversation.