Complex sentence: In 1982 it was bought by Harvard International (formerly Harris Overseas Ltd before 1982 who formed in 1963), who then floated it on the London Stock Exchange in 1987 as Alba PLC. Bush Radio was bought in 1988 and Goodmans in 1994.
Split into simpler sentences: In 1982 it was bought by Harvard International (formerly Harris Overseas Ltd before 1982). The company was floated on the London Stock Exchange in 1987 as Alba plc, buying Bush Radio in 1988 and adding Goodmans in 1994.