Businesses of any size and from any industry can benefit from outsourcing their payroll to Mustard. Payroll is a crucial part of any company, but how many companies actually value it. It's only when things go wrong and staff aren't paid that it really gets noticed. Should payroll really be done by someone whose expertise lies elsewhere. How about getting an expert to do it. Mustard were established in 2000 and manage the payrolls of hundreds of small and large companies across the South East. We are passionate about payroll.