Just in Time for Tax Season: ADP Employer Services has completed its acquisition of Taxware from First Data Corp. for $125 million in cash. The purchase will broaden ADP’s services to employers to by providing them with tools to automate much of the tax return filing process. The tools can calculate taxes for employers, assign taxing jurisdictions and help companies navigate through the ever-changing tax laws. The move marks the second tax-related acquisition that the Roseland, New Jersey-based payroll and benefits administration provider has made in the past there months. In August, ADP announced that it was purchasing Mintax, which secures tax credits and economic incentives for employers.