Union Square Ventures invested in them a few years back, and blogged about their rationale and some info on where Tucows is/has been headed as a business: http

Union Square Ventures invested in them a few years back, and blogged about their rationale and some info on where Tucows is/has been headed as a business: https://www.usv.com/writing/2017/02/tucows/ https://www.usv.com/writing/2017/02/tucows/