Grant McCarthy Group
GMG focuses on helping clients with all business tax practices procedures, compliance, and multi-jurisdictional tax complexities. We assess situations to help our clients reduce their tax burdens and maximize their cash flow.

Providing technology enabled services to simplify tax complications and provide financial benefits.
GMG is committed to ensuring our clients only pay their fair share of tax. We leverage Vertex to deliver real time savings to clients and reduce the need for audits to determine areas of exposure or overpayment. Our services deliver quantifiable financial value.
Benefits of Our Partnership
Machine learning under the direction of experienced tax professionals.
Correction of ERP and tax determination engine rules reduces overpayments and underpayments.
Maintained by tax professionals utilizing technology to deliver streamlined results.
Resources for You
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Blog PostExplore how GPOs can streamline tax, reduce risk, and drive better healthcare outcomes.
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On-Demand Webcast
Mastering Hybrid Shopping in the Social Commerce Era
Social commerce helps grow your reach and sales, but managing tax compliance across platforms like Instagram, TikTok, and Facebook can be complex. -
Video
Global E-Invoicing Strategy Beyond Compliance
Turn global e-invoicing mandates into an advantage with strategy that drives compliance and performance.