Ceridian provides HR, payroll, EAP and HR consultancy services to over 50% of the Financial Times Global 500 and more than 75% of the Fortune 500. In the UK, Ceridian serves 9,600 customers with a headcount of over 1.7m and processes 24m payslips a year. It is the largest payroll provider overall, and the second largest outsourced payroll processor in terms of revenue, with over 70 years' experience in payroll in the USA and 40 years in the UK.