Top 25 accounting firm Aprio has kicked off the new year by making its foray into the Pacific Northwest, announcing Jan. 7 that it has merged with two CPA firms in the greater Portland area: Delap LLP and Hoffman, Stewart & Schmidt PC.
Financial terms of the deals, which became effective Jan. 1, weren’t disclosed.
Atlanta-based Aprio, which received private equity backing from Boston-based investment firm Charlesbank Capital Partners in July 2024, said Wednesday the expansion into Oregon significantly strengthens its ability to deliver sophisticated audit capabilities, including public company audits, advanced tax planning, digital forensics and cybersecurity, and comprehensive advisory services.
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“Delap and HSS share Aprio’s vision for helping clients navigate each stage of business growth,” Aprio CEO Richard Kopelman said in a statement. “Both firms bring exceptional talent, deep community roots, and specialized capabilities that complement Aprio’s global platform. Together, we are creating something extraordinary and will deliver smarter solutions and greater value to clients at every stage of growth across the Pacific Northwest and beyond.”
Founded in 1933 and headquartered in Lake Oswego, OR, Delap is a full-service accounting and advisory firm with 117 professionals and 14 partners. The firm provides tax, assurance, business advisory, and managed IT services, including cybersecurity and digital forensics. The addition of Delap adds a financial institution-focused Public Company Accounting Oversight Board-registered practice. Delap’s CEO Earl Pierce, COO Ryan Boatsman, and the full partner group will join Aprio as partners.
Founded in 1979, HSS is a Portland-based CPA firm with more than 70 professionals and 10 partners. The firm, ranked by INSIDE Public Accounting as a Best of the Best CPA Firm for 2025, delivers comprehensive tax, audit, and advisory services with deep experience in construction, not-for-profit organizations, and closely held businesses. HSS Managing Partner Leah DiGregorio will join Aprio as a partner, along with the full partner group.
This growth follows Aprio’s recent expansions in Kansas and five other new markets, in addition to the firm last year making a five-year, $300 million commitment in artificial intelligence and automation for its professionals; launching the Arizona law firm Aprio Legal; and announcing the formation of Aprio Alliance—a comprehensive growth community for firms ranging in size from startup to market leaders, representing more than $1.5 billion in combined revenue and serving clients across industries and geographies.
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Allan Koltin, CEO of Koltin Consulting Group, advised Aprio and Delap on the transaction, while Bob Lewis, president of The Visionary Group, advised Aprio and HSS on their merger.
“This combination reflects a broader shift in the profession toward firms that can deliver both scale and specialized capabilities,” Koltin said in a statement. “Delap’s strong public company audit platform and technology-forward services align naturally with Aprio’s national reach, creating a firm that is well-positioned to support growing businesses facing increasing regulatory and operational complexity.”
“The combination of HSS and Aprio creates a stronger platform for serving entrepreneurial and middle-market businesses in the Pacific Northwest,” Lewis said in a statement. “Expanding Aprio’s presence in the region enhances its ability to deliver consistent, high-quality service across markets as client needs become more complex and interconnected.”
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