NAS SOLUTIONS IS A PAYROLL OUTSOURCING COMPANY Managing timely and accurate payroll for employees and tackling the associated tax implications is a challenging and strenuous task. Payroll service provider NAS Solutions provides flexible payroll services, whether it is a small, medium, or large business, through our state-of-the-art payroll software, addressing our clients human resource payroll requirements such as on-time salary dispatch, taxation, advanced payroll calculations, and payroll compliance.