SIGNAL ALLIANCE (NIGERIA) LIMITED is an enterprise technology firm founded in 1996 that transitioned in 2021 to Signal Alliance Technology Holding (SATH), and the group provides technology consulting, cloud solutions, business applications, cybersecurity, software development and infrastructure & service management from offices in Lagos and Abuja. The company lists its Lagos Island headquarters address, Abuja office, contact email and a Nigeria phone number on official pages, demonstrating a longstanding and verifiable presence.