The marketing software provider raised its series C round from existing investors, though corporate HubSpot was not among them.

Drift, a US-based marketing and sales platform developer backed by inbound marketing software producer HubSpot, raised $60m yesterday in a series C round led by venture capital firm Sequoia Capital.

Venture capital firms CRV and General Catalyst also participated in the round, which increased the company’s overall funding to $107m.

Founded in 2014, Drift has developed a software platform that uses artificial intelligence bots to chat with prospective customers. It identifies the best leads, allocates them to the most suitable…