Deloitte is a large professional services firm with offices around the world. It has over 334,800 professionals globally and provides audit, consulting, financial advisory, tax, and legal services. Deloitte's HR strategy framework involves defining the HR strategy based on understanding the business strategy, aligning HR products and services by segmenting customers and prioritizing investments, and delivering value through the right service delivery model, capabilities, operational excellence, and impact measurement. The document discusses Deloitte's talent management practices such as regular reviews during probationary periods, consistent policies and procedures, and complying with data protection legislation.