The company has raised a further $7m from two Comcast-linked funds to take its overall funding to $9.7m since 2011.

US based lead trading platform LeadID has raised $7m in a series A round led by Comcast Ventures; the corporate venturing unit of the US based media and telecommunications conglomerate Comcast Holdings, with participation from Comcast affiliated Glencast Ventures and VC firm Tribeca Venture Partners.

Glencast Ventures backed LeadID during its two previous seed rounds, leading a $1.7m seed round in July 2012 and investing $1m in August 2013.

Founded in 2011, LeadID develops software to arbitrate online lead transactions.…