Invoice USA 15-03-2013 Gateway unveils new invoice management division Florida-based Gateway Commercial Finance has announced the formation of a new division, Sentinel Portfolio Solutions, to provide its proven platform for invoice and collateral management to asset-based lenders, community banks…… Sign in or Upgrade to Continue Reading This news article is over 10 days old. Subscribe today to access all articles with an annual subscription. Become a member Learn more Already a subscriber? Log in here