DDF offers a full range of services: accounting and auditing services tax return preparation and consultation business coaching and consulting estate and life planning QuickBooks® setup, customization and troubleshooting  sales tax preparation and consulting business valuation services monthly bookkeeping services quarterly payroll tax return preparation and consultation payroll processing services Affiliations: Our related company DDF Consulting, Inc., is a Sage Software Authorized Partner. As a Sage Partner, DDF Consulting, Inc. provides installation, setup, customization, training and support services for Sage MAS 90 ERP, Sage MAS 200 ERP, and Sage BusinessWorks Accounting Software.  Additionally, the company provides software user group meetings, group training webinars, EDI solutions, SAS94 audits, system analysis and design, third party software integration, report design (Crystal, F9, FRx) and e-commerce solutions.