Pharol, SGPS S.A. provides high-speed fiber internet services directly to residential customers throughout Brazil, facilitated by its significant investment in Oi, S.A. The company, which traces its origins back to 1877, was known as Portugal Telecom, SGPS, SA until it was rebranded as Pharol, SGPS S.A. in May 2015. Its corporate headquarters are located in Lisbon, Portugal.