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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eBookOverwhelmed at the thought of switching tax engines? We can help.
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eBook
Lowering Costs and Accelerating Growth—Why Switching Tax Engines is Worth the Effort for Mid-Size Businesses
Consider these Vertex benefits when evaluating your current tax technology. -
Blog Post
Adapting to E-Invoicing Mandate Changes and Compliance Challenges
Gunjan Tripathi reveals how smart tech turns shifting e-invoicing rules into a competitive edge.