Galp Energia, SGPS, S.A. is a Portuguese multinational energy corporation headquartered in Lisbon, operating as an integrated energy company across the oil and natural gas value chain. Founded in 1999 through the merger of Petrogal, Gás de Portugal, and Transgás, it traces its roots to 1848 with Lisbon's first gas street lamps and has evolved into Portugal's largest oil and gas group. The company engages in hydrocarbon exploration and production via subsidiaries like Galp Energia E&P BV, primarily in Brazil, Angola, and Mozambique; refining and marketing through Petróleos de Portugal - Petrogal, S.A., including the Sines refinery; natural gas, electricity, and retail operations under Galp Gas & Power SGPS, S.A.; and corporate services via Galp Energia, S.A. Its four business units—Upstream, Industrial & Midstream, Commercial, and Renewables & New Businesses—span oil products distribution, gas sales, petrol retailing, and expanding renewable initiatives such as solar projects in Spain and Brazil, lithium processing via Aurora joint venture, and sustainable aviation fuel development. With over 7,000 employees, Galp Energia, SGPS, S.A. plays a pivotal role in Portugal's energy sector and global markets, balancing traditional fossil fuels with transitions to low-carbon energies.