Let’s work together to improve your transaction tax operations.
Reduce Risk and Improve Accuracy Across All Jurisdictions
Most tax departments face increasing pressure to do more with less while staying compliant across hundreds of jurisdictions and evolving tax types. Our experts help companies take control of their transaction tax and indirect tax functions through scalable, end-to-end services spanning compliance, recovery, audit defense, outsourcing, and technology transformation.
From routine filings to large-scale system improvements, we help tax departments stay compliant, improve accuracy and efficiency, recover overpayments, and streamline operations.
Expertise Across a Full Range of Transaction Taxes
DMA supports complex organizations with end-to-end transaction tax services by combining deep technical knowledge, tax technology and automation expertise, and operational delivery across:
TRANSACTIONTAX360™: A Full-Circle Approach to Transaction Tax
TRANSACTIONTAX360™ is DMA’s integrated approach to improving transaction tax accuracy, efficiency, and value. We combine compliance, recovery, automation, and advisory services to help clients reduce risk, streamline operations, and uncover savings across the tax lifecycle.
We understand that tax policy, compliance, and automation must all work in tandem to address challenges, identify opportunities, and maximize resources. Our tax and technology teams collaborate to:
- Resolve issues related to overpayment, exposure, and inefficiencies
- Improve month-end accuracy and streamline compliance processes
- Align system improvements with broader tax and business goals
- Leverage recovery and optimization insights to support and prioritize technology investments
TRANSACTIONTAX360™ strengthens tax governance, internal controls, and audit defensibility while improving accuracy, efficiency, and financial performance.
Comprehensive Services Backed by Proven Methodologies
Our transaction tax professionals bring decades of experience and a client-first approach to every engagement. We support the full indirect tax lifecycle through outsourced and co-sourced delivery models.
We tailor every engagement to client-specific systems, risk tolerance, and business objectives, whether you’re working through a routine cycle or a transformation initiative.
Compliance
Monthly, quarterly, and annual transaction tax filings, reconciliation and reporting, and data validation across jurisdictions east
Recovery
Identification and recovery of overpaid tax through audits, amended filings, and refund claims east
Audit Support & Defense
Audit-ready compliance, documentation support, auditor management, and defense strategy across jurisdictions east
Strategic Advisory
Nexus studies, voluntary disclosure agreements, taxability matrices, and future-state tax planning east
Technology & Automation
Automation and optimization through ERP and tax engine implementation and configuration, custom tool development, software integration, and testing support east
Why DMA and What Sets Us Apart
Choosing the right transaction tax partner is about more than technical capability—it’s about trust, continuity, and results. DMA is an employee-owned firm built for long-term partnership, not short-term projects. Our clients rely on us as an extension of their tax department, delivering stability, accountability, and deep domain knowledge across every engagement.
Seasoned, Industry-tested Professionals
On average, DMA professionals possess more than 20 years of real-world transaction tax experience. Our teams are led by former in-house tax leaders and industry specialists who understand the operational realities tax departments face—not just the theory.
Employee-Owned and Client-Driven
As an employee-owned firm, DMA is personally invested in every client relationship. Our people care deeply about the quality of our work, the success of our clients, and the long-term outcomes we help create.
Built for Complex Enterprises
We support some of the most complex, multi-entity, and multi-jurisdiction organizations in the world. Whether managing day-to-day compliance, defending audits, modernizing tax technology, or transforming tax operations, DMA delivers precision, consistency, and scale.
A True End-to-End Partner
Unlike firms that only focus on filings, recovery, or software, DMA brings together advisory, recovery, compliance, automation, and managed services into a single, integrated delivery model—giving tax leaders a single partner across the full tax lifecycle.
Operational Insight Backed by Real Data
DMA grounds its guidance in real transaction data. Working directly in compliance, recovery, audits, and technology gives us visibility into how tax rules function, helping us pinpoint root causes, improve accuracy, and deliver practical, defensible recommendations.
Support Through Change and Growth
From ERP transformations to organizational restructuring, DMA helps tax departments stay compliant and in control through periods of change, including mergers and acquisitions, where transaction tax risk, data integrity, and system readiness become mission-critical.