Leading Managed I.T. & Telecoms Company. With cost-effective solutions and services all backed by our 30-day rolling contract guarantee. At Tetrabyte we pride ourselves on our excellent customer service looking after Small, Medium, and Enterprise Business clients in the private, public, and charity sectors. As an open, honest, and transparent company, our cost-effective services such as our IT Support, Business Phone Systems (VoIP), Mobiles, Fibre Broadband, Leased Lines, Backup, 365 and other IT Services.