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William Vaughan Company Joins Ascend, Alpine Investors’ CPA Platform

By chrisomo

William Vaughan Ascend is the latest mid-market CPA tie-up: on May 28, 2026, William Vaughan Company, a Maumee, Ohio IPA 100 firm, joined the Ascend platform backed by Alpine Investors. According to the Cornerstone CPA PE Deal Tracker entry logged by CPA Trendlines, William Vaughan reports roughly $24.7 million in FY24 net revenue, more than 115 professionals, and 15 partners.

The deal

The transaction adds William Vaughan to Ascend’s growing partner-firm network and is recorded in the Cornerstone CPA PE Deal Tracker with an effective date of May 28, 2026. Like every PE-backed CPA combination since the 2021 EisnerAmper recap, the deal uses an Alternative Practice Structure (APS). Under an APS, the attest business stays inside a CPA-owned and licensed entity to comply with state board rules captured in the AICPA/NASBA Uniform Accountancy Act, while the non-attest practice (tax, advisory, consulting, technology services) is owned by the platform and its private equity sponsor. The two entities then sign a long-term administrative services agreement. The structure is documented in detail by the Journal of Accountancy.

About William Vaughan Company

William Vaughan Company was founded in 1959 and has operated from Maumee, Ohio for more than six decades. The firm describes itself on its About page as a full-service CPA and business advisory firm serving closely held businesses, manufacturers, construction contractors, nonprofits, governmental entities, and high net worth families across Ohio and the broader Midwest. Service lines include tax compliance and planning, assurance and audit, accounting and outsourced controller work, business valuation, transaction advisory, and a dedicated technology consulting arm. The firm has been recognized on the Inside Public Accounting IPA 100 list of the largest US accounting firms by revenue, and has appeared on regional best-place-to-work rankings reported by the Toledo Blade. Headquarters is in Maumee with additional offices in Sylvania, Findlay, and Port Clinton according to the firm’s contact page.

About Ascend and Alpine Investors

Ascend was launched in May 2023 by Alpine Investors as a dedicated platform for regional CPA firms. As reported by Accounting Today, the platform’s stated thesis is to combine back-office scale, technology, and growth capital with operational autonomy for partner firms. The platform’s About page lists its founding partner firms and ongoing additions, and the Alpine Investors portfolio page confirms Ascend as a current portfolio company. Alpine Investors is a San Francisco headquartered private equity firm focused on middle-market software and services. According to Alpine’s own firm overview, it manages more than $19 billion in assets and operates a CEO-in-Residence program that places operators inside its portfolio companies.

Ascend’s prior accounting platform additions include founding firms Cg Tax, Audit & Advisory and Bauknight Pietras & Stormer, along with subsequent partner-firm transactions tracked by the Cornerstone CPA PE Deal Tracker.

The 2026 deal context

The William Vaughan transaction lands in the middle of the busiest stretch the CPA private equity market has ever recorded. The Cornerstone CPA PE Deal Tracker reports 466 cumulative deals across roughly ten years of tracking, with more than 70 transactions logged in the first half of 2026 alone and 13 in May 2026. That pace puts 2026 on track for roughly 280 deals by year-end, a result the Ledgerism Brief previously sized in its 2026 CPA Firm PE Roll-Up Report. The wave that began with the 2021 TowerBrook investment in EisnerAmper, reported by The Wall Street Journal, and continued through the 2024 Baker Tilly recapitalization led by Hellman & Friedman and Valeas Capital Partners, confirmed by Baker Tilly, has clearly moved downstream into the mid-market tier where William Vaughan sits.

What changes for William Vaughan partners

The standard APS post-deal pattern, as outlined by The CPA Journal in its February 2026 analysis, includes several mechanical changes for selling partners. Partners typically take a cash payment at closing, reinvest a meaningful portion of proceeds into platform equity, and sign multi-year service agreements that lock them into the combined entity. The attest practice continues under a CPA-licensed legal entity, while the non-attest business sits inside the PE-backed platform. Distribution waterfalls shift from a traditional eat-what-you-kill or modified-Hale partnership model to a salary plus bonus plus equity participation model. Governance moves to a platform-level board, and capital decisions above defined thresholds typically require platform approval. Independence rules under PCAOB AS 1005 and the AICPA Code of Professional Conduct govern which engagements the new structure can and cannot serve.

What this signals about the consolidation pace

The William Vaughan deal is notable for its size band. At approximately $24.7 million in net revenue, the firm is well below the megafirm tier where the wave started. EisnerAmper (TowerBrook, 2021), Citrin Cooperman (New Mountain Capital, 2021), and Baker Tilly (Hellman & Friedman and Valeas, 2024) each generated hundreds of millions to more than a billion in revenue. The deal-flow has now moved into the $10 to $50 million revenue band, which materially expands the universe of firms in play. The AICPA Private Companies Practice Section tracks several thousand US accounting firms inside that revenue band, the long tail that platforms like Ascend, Aprio (Charlesbank), Citrin Cooperman, and others are now actively recruiting. Coverage of that shift in Accounting Today and the Cornerstone CPA PE Deal Tracker shows mid-market regional firms supplying most of the 2026 deal volume.

For continuing coverage of CPA private equity activity, see the Ledgerism Brief news index and playbook.