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Hilton Computer Services
Based in Orpington, UK, Hilton Computer Services Limited was a company formed by Jack Gibbons and fellow members of the Orpington Computer Club.
They developed just one program for the Sinclair QL, The Personal Banking System, which was also released for the Sinclair ZX80, ZX81 and ZX Spectrum. They also released software for the Amstrad CPC and PC.