SEFE Marketing & Trading Ltd | 63,251 followers on LinkedIn. Growing from a single office in London in 1999 into the worldwide organisation it is today, SEFE Marketing & Trading (SM&T) is an agile multi-commodity trader and trading partner. We are a leading player in European trading energy markets, combining the physical & financial trading of LNG, gas, power, metals, environmental products and hydrogen with the provision of comprehensive risk management, derivates, algorithmic trading, and third-party asset management services. We are the sourcing and trading arm of SEFE, an international energy company committed to ensuring security of supply while driving the decarbonisation of its customers.