DuCharme, McMillen & Associates, Inc.

DuCharme, McMillen & Associates, Inc. (DMA, Inc.) assists companies worldwide with increasing transaction tax calculation and reporting accuracy, enhancing the efficiency of tax operations via Vertex solutions, and optimizing the end-to-end experience for tax professionals.

Vertex Partner Alliances Ecosystem Hero

DuCharme, McMillen & Associates, Inc. and Vertex

For over 25 years, Vertex and DMA have strategically partnered to solve corporate tax challenges for organizations of all sizes and complexities by streamlining calculation routines and reducing risk associated with reporting, remittance, and overall compliance functions.

DMA and Vertex Alliance

Benefits of Our Alliance

With extensive functional and technical expertise within the Vertex product suite and application programming interface, DMA leverages its industry-leading tax technology and tax advisory experts to deploy client-tailored solutions, leveraging the robust functionality of Vertex solutions.


DMA acts as a true extension of your tax department. They take a holistic approach to global tax complexities and utilize creative ways to help your company reduce costs, make better use of administrative resources, and minimize human error. They are experienced in all major Enterprise Resource Planning (ERP) software, Vertex applications, and marketplace technologies, enabling them to help your organization minimize tax inaccuracies while gaining efficiencies within the indirect tax function.

Areas of Focus

Focusing on several key areas of corporate taxation – property tax, state income & franchise tax, transaction tax, commodity tax, value added tax, unclaimed property, fuel & excise tax, severance tax, customs & duty, crown royalties, and tax technology – DMA professionals assist companies with minimizing their tax inaccuracies, enhancing the efficiency of their tax administration through industry-leading technology solutions, and managing their tax compliance obligations.

Implementation and Integration

Whether you have a specific enhancement opportunity to solve or require a comprehensive turnkey implementation experience, DMA's technical and tax experts are prepared to tackle your project on time and on budget. DMA is a Vertex Preferred Partner with extensive experience designing, configuring, and managing Vertex applications.

System Optimization

Given the evergreen nature of organizations, the Vertex configurations that once fostered accurate calculation and reporting and an efficient tax function may no longer be aligned with current business functions, transaction types, and tax requirements. DMA regularly assists clients with defining a strategy and future-state roadmap, leading to the formulation and execution of a plan to bridge these gaps and create a dynamic environment that can readily adapt to future changes.

Learn more about DMA: https://dmainc.com/services/tax-technology