The automated sales and marketing software developer has added $32m to the $15m series A round it closed two years ago, with HubSpot participating in both.

US-based sales and marketing bot developer Drift secured $32m on Tuesday in a series B round featuring marketing and sales software producer HubSpot.

General Catalyst led the round, which included fellow venture capital firms CRV and Sequoia Capital. HubSpot, General Catalyst and CRV invested in Drift’s $15m series A round in 2015 together with NextView Ventures, Founder Collective and angel investor Brian Shin.

Founded in 2016, Drift uses artificial intelligence to power a range of conversational chatbots capable of targeting…