• Company Type For Profit
Plus 1 keeps track of good deeds and the Twitter people who appreciate them. Every time one person thanks another on Twitter, we notice. “+1” is how we say thank you. We're creating tangible, memorable proof of the good things you do, or that people have done for you: in real time.

Lists Featuring This Company

United States Apps Companies (Top 10K)
9,861 Number of Organizations • $62.5B Total Funding Amount • 11,830 Number of Investors
Apps Companies With Fewer Than 10 Employees (Top 10K)
9,809 Number of Organizations • $5.8B Total Funding Amount • 7,856 Number of Investors
San Francisco Companies With Fewer Than 10 Employees (Top 10K)
9,868 Number of Organizations • $11.1B Total Funding Amount • 11,696 Number of Investors
San Francisco Apps Companies
1,094 Number of Organizations • $18.6B Total Funding Amount • 2,932 Number of Investors

Frequently Asked Questions

Where is Plus 1's headquarters? Plus 1 is located in San Francisco, California, United States.