CohnReznick Acquired Aldrich to Expand West Presence
The firm will integrate Aldrich into a new West Region to boost its scale in agribusiness and private client services.
Updated on Oct. 13, 2026 in Professional Services
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CohnReznick has announced the acquisition of the Aldrich group of companies, a move that adds $108 million in annual revenue to its existing $1.14 billion baseline. The deal incorporates 500 employees and 48 partners into the firm's structure, with the transaction expected to close in mid-December.
Why it matters
This acquisition accelerates CohnReznick's growth strategy in the West by establishing a dedicated regional hub across Washington, Oregon, California, Utah, and Colorado. The move significantly strengthens its advisory capabilities in highly specialized sectors including construction, telecom, and agribusiness.
The acquisition adds $108 million in annual revenue to CohnReznick’s existing $1.14 billion, alongside $8 billion in assets under management from Aldrich. The deal expands the firm's footprint with 500 new staff and 48 partners, building on their status as the 15th-largest firm on the 2026 Accounting Today Top 100 list.
The players
CohnReznick
A national accounting and advisory firm currently ranked 15th on the Accounting Today Top 100 list.
Aldrich
A group of companies comprising CPAs, advisors, and wealth management services based in Lake Oswego, Oregon.
Apax Partners
A global private equity firm that invested in CohnReznick to support its strategic expansion.
The details
Aldrich will serve as the cornerstone of a new West Region for CohnReznick, which previously operated primarily from its New York headquarters. By integrating Aldrich CPAs + Advisors and Aldrich Wealth, the combined entity aims to leverage specialized expertise in private client services and key regional industries. The expansion follows a February 2025 private equity investment from Apax Partners, which provided the capital necessary for this inorganic growth.
Timeline
February 2025: CohnReznick secured private equity investment from Apax Partners.
October 13, 2026: News of the acquisition was released.
Mid-December 2026: The deal is projected to officially close.
Market Landscape
The acquisition follows a broader industry trend of rapid consolidation among top-tier professional services firms looking to scale niche advisory capabilities. This move reflects a shift as major firms use private equity capital to gain regional dominance against the backdrop of the 2026 Accounting Today Top 100 Firms list.
Operators in construction, telecom, and agribusiness should prepare for changes in service delivery as Aldrich integrates into CohnReznick’s national platform. Closely monitor how this regional consolidation affects the availability of local technical expertise in the western states.
The takeaway
Large accounting firms are increasingly using private equity backing to capture regional market share and specialized advisory niches. Operators should audit their current professional service agreements to determine if their provider is being acquired or if competitors are gaining scale through similar consolidation.
Further reading
For broader trends in firm growth and regional expansion, visit the Professional Services section.
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