Guardian Global Security (formerly NU-Oil and Gas) is an independent oil and gas company whose strategy is to build a diverse portfolio of assets with a strong emphasis on acquiring interests in stranded and marginal fields. NU Oil and Gas has invested in the Marginal Field Development Company (MFDevCo), which has developed solutions that can significantly improve the economics of a project, and aims to develop a portfolio of assets utilising solutions delivered by MFDevCo and the MFD Consortium.In addition NU-Oil continues to pursue opportunities on and around the Port au Port Peninsula in Newfoundland, Canada.