This Practice Note examines each of the key terms in a typical outsourcing agreement including transition and transformation, service description, outsourcing service levels, charging structures, intellectual property, TUPE in outsourcing, benchmarking, data protection, customer responsibilities, governance, step in, limitation of liability, termination and exit. It also covers the implications of the UK GDPR for outsourcing agreements. Outsourcing is the appointment of a third party supplier to manage certain business processes, functions or responsibilities that were previously carried out by the customer in the case of a first generation outsourcing, or by another third party supplier in the case of a second or subsequent generation outsourcing. This Practice Note covers the following key terms applicable to most forms of outsourcing agreements (including information technology (IT) and business process (BPO) outsourcing): • Transition and transformation • Service description • Service levels • Charges • Intellectual property • Employment and TUPE • Data protection and the UK GDPR • Customer responsibilities and dependencies • Record retention and audit • Continuous improvement, benchmarking and most-favoured customer • Governance • Limitation of liability and indemnities • Step in