• 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

California Apps Companies
3,818 Number of Organizations • $34.6B Total Funding Amount • 5,928 Number of Investors
San Francisco Companies With More Than $1M in Revenue (Top 10K)
9,960 Number of Organizations • $372.9B Total Funding Amount • 37,967 Number of Investors
San Francisco Bay Area Apps Companies
2,192 Number of Organizations • $25.3B Total Funding Amount • 4,430 Number of Investors
Apps Companies With More Than $1M in Revenue (Top 10K)
9,929 Number of Organizations • $165.7B Total Funding Amount • 16,496 Number of Investors

Frequently Asked Questions

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