Our company
25+ years of payroll tax proficiency
We focus on payroll tax workflow and compliance.
About MasterTax, LLC
Decades of payroll tax compliance expertise
MasterTax, LLC, provides a fully integrated, customizable solution for clients looking to quickly, easily and accurately process multijurisdictional payroll taxes. Our technology helps clients eliminate penalties and interest, maximize efficiencies, and regain control of payroll tax filing. We support small employers, large corporations, professional employer organizations, and payroll service providers of all sizes.
Since it was first introduced, MasterTax payroll tax software has been one of the fastest growing and most comprehensive payroll tax systems in the industry. Our platform is continually enhanced and upgraded to deliver technology meeting the highest standards of quality and compliance.
Acquired by ADP in 2010, MasterTax continues to operate as a separate and independent company. With the ADP relationship, we are able to leverage our combined expertise and support our commitment to delivering the most comprehensive payroll tax and compliance software in the market.
About ADP
70+ years providing solutions for HR challenges
ADP is a comprehensive global provider of cloud-based human capital management solutions that unite HR, payroll, talent, time, tax, compliance and benefits administration, and it’s a leader in business outsourcing services, analytics and compliance expertise. Its unmatched experience, deep insights and cutting-edge technology have transformed human resources from a back-office administrative function to a strategic business advantage.