Paris startup Greenbureau (“Green Desk”) has raised €800,000 from 3T Capital & Omnes Capital to help large companies reduce paper use by transitioning to digital billing, invoicing, and account management through their web interface. Currently only available in France, Greenbureau, founded by Mathieu Delobelle, Frédéric Dermer, Yan Tamalet and Florian Nicourt, allows users to manage...