
Charles is a Certified Public Accountant and Partner at CRG/Riggs & Associates, P.C. He founded the Research and Development tax specialty practice that has been the backbone of the company since 2004. He oversees and coordinates a team of subject matter experts comprised of R&D consultants, analysts, attorneys, and engineers with expertise in fulsome documentation requirements. Charles has personally overseen and/or conducted hundreds of research tax credit/IRS audit matters related to R&D Tax Credit studies that his team has engaged in for companies throughout the U.S. With his hands‑on involvement through all major phases of the R&D tax credit study process and his personalized white‑glove approach, Charles has consistently delivered for companies from start‑ups to Fortune 500 companies, throughout all 50 states. He knows what it takes to help companies of all sizes secure research and development tax credits and remains committed to providing exceptional service and superior results for his clients.
