Top 25 accounting firm Aprio has acquired TGRP Solutions, a Denver-based advisory firm serving middle-market, private equity-backed, and enterprise, publicly traded businesses across Colorado.
Financial terms of the deal weren’t disclosed.
The combination is private equity-backed Aprio’s fifth in the Denver market and its eighth M&A deal in 2026. Aprio has also added Waldron H. Rand & Co., Isdaner & Co., Delap LLP, Hoffman, Stewart & Schmidt PC, the state and local tax team from TaxOps, CAVU Advisors, and Price Kong this year.
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Aprio says the deal sharpens its advisory platform for clients across the U.S. According to a media release, Aprio and TGRP Solutions are building a comprehensive national Office of the CFO platform designed to enhance financial operations and strategic planning.
The transaction adds more than 70 professionals to Aprio’s advisory practice, enhancing its ability to deliver outsourced and fractional Office of the CFO services, technical accounting support, transaction advisory, and talent solutions to clients at every stage of growth. This expansion also supports the formation of Aprio’s Office of the CFO, which brings together the firm’s accounting advisory and talent advisory capabilities under one platform to serve the evolving needs of businesses, officials say.
Mark Reister, founder and president of TGRP Solutions; Jim Lockhart, managing director of consulting; and Doug Nassif, director of placement and contract solutions, join Aprio as partners.
“The demands on business leaders continue to evolve as organizations grow and adapt to new opportunities,” Aprio CEO Richard Kopelman said in a statement on Oct. 1. “By combining TGRP Solutions’ technical accounting capabilities with Aprio’s Office of the CFO vision, we are creating a more connected experience that helps companies navigate complexity and unlock opportunity. We are focused on bringing together finance, accounting, operations, legal, wealth, and talent to support growth at every stage of the business lifecycle.”
Founded in 2010, TGRP Solutions has served as a trusted advisor to growing middle-market and enterprise, publicly traded companies, helping clients strengthen financial operations, prepare for critical transactions, and navigate periods of change. Its consultants provide clients with Office of the CFO, technical accounting, IPO readiness, transaction support, and staffing and recruiting services.
“This is an exciting next chapter for our team and the clients,” Reister said in a statement. “We’ve built TGRP Solutions around talented people who are committed to helping clients succeed. By joining Aprio, we’re expanding the opportunities available to our team while bringing clients access to a broader set of resources and solutions to support their growth.”
Aprio entered Colorado in July 2023 with the combination of Gomerdinger & Associates, added Pontiff + Associates and Elite Tax & Accounting in December 2024, and brought on TaxOps’ SALT team in January 2026. Ahead of this combination, Aprio’s Denver market included 35 team members across two offices in Greenwood Village and Westminster, CO.
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