PayrollServe is the Payroll and HR Administration Services division of Stone Forest , the sister company of RSM . Together, Stone Forest and RSM form the largest accounting and business advisory group outside the Big 4 in Singapore. PayrollServe cutting-edge solutions and team of experienced professionals have earned us the reputation of being Singapore leading provider of cloud-based and fully managed payroll / HR services and solutions. This makes us the prime choice for internationally active businesses across diverse organisation types and industries. On the international platform, as a member of the RSM International Network, we are able to assist our clients with their cross-border requirements effectively.