HubSpot's second acquisition in two months came after the company nearly doubled the venture funding it has received to $65m in March.

HubSpot, a US-based marketing software company backed by a corporate venturing unit of US-based search engine Google and US listed cloud computing company Salesforce.com, has sealed its second acquisition since securing venture funding from Google and others in March.

HubSpot has bought marketing company Oneforty, which followed an acquisition two months ago of marketing business Performable. The two deals came after it secured $32m in series D funding from Google Ventures and Salesforce.com, as well as venture capital firms Sequoia…