Founded in 1997, Tier 1 Limited was formed to meet the increasing demands of businesses for cost-effective and efficient delivery of IT and communications services. This is done through a series of 'health checks' that identify opportunities for Cost Reduction, Service Improvement, Risk Reduction and re-alignment of IT with the business. Tier 1 combines industry best practice with many years of practical IT and Telecommunications experience to deliver pragmatic enduring solutions for its clients. Tier 1 personnel have delivered over £5,000,000 of savings to clients in the last 5 years. Our Services page provides more information regarding the 'functional' areas of expertise provided. Tier 1 is the world leader in ISO20000 (formerly BS15000) on-line assessments. See our Online ISO20000 Assessments page for more details. Tier 1 is based in Liverpool, Merseyside. Tier 1's clients include: Barclays Bank Serco O2 Orange BT Global Services O2 Airwave