Zinc Inc. (renamed from Cotap Inc, Jun 2016) is a San Francisco-based company that sells a mobile messaging application for businesses.
The company was founded in May 2013 by former Yammer executives Jim Patterson and Zack Parker.
[2] That month, Cotap announced it had received $5.5 million in a Series A funding round from Charles River Ventures and Emergence Capital Partners.
[6] In August 2014, Cotap released a Mac and Web app alongside the announcement of cloud storage integrations with Box, Dropbox, Google Drive and OneDrive.
On raising $5M in a funding round led by Emergence Capital Partners and Charles River Ventures, Cotap changed its name to Zinc and appointed a new Chief Executive, Stacey Epstein.