Engage by Cell is the umbrella company of Guide by Cell, Give by Cell, Train by Cell, headquartered in San Francisco, California. We bring mobile solutions to companies and organizations, providing mobile websites, native apps, and text messaging to fit any mobile need. We are at the forefront of mobile solutions for companies and organizations, offering mobile content delivery platforms, fundraising and engagement tools to over 2,000 clients. Our flagship division, Guide by Cell, is a recognized global leader in the mobile technology industry, providing mobile solutions to over 1000 museums and cultural institutions worldwide.