Formally the UK & Ireland division of NGA Human Resources, Zellis provides Payroll, HR and Managed Services to UK and Ireland based companies with over 500 employees, a third of the FTSE 100 are customers. With over 50 years’ experience and 1,500 employees Zellis is the largest business of its nature in the UK. It serves over five million customer employees, and processes in excess of 60 million payslips a year.

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