payment UK 14-01-2013 GSK extends payment terms GlaxoSmithKline extends its payment terms, while offering supply chain finance solutions to smaller suppliers. GlaxoSmithKline extends its payment terms, while offering supply chain finance solutions to smaller suppliers. GlaxoSmithKline (GSK),… 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 #cash-flow#forum#invoice#payment terms#supply chain finance