Sorren Acquired Alta CPA Group and Zinman & Company

The firm expanded its Mid-Atlantic presence by acquiring two established accounting practices.

Updated on Sept. 29, 2026 in Professional Services

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Meridian-based Sorren has acquired Annapolis-based Alta CPA Group and Southampton-based Zinman & Company to expand its footprint in the Mid-Atlantic region. AI Illustration. Upload story photo >

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Meridian-based accounting firm Sorren has acquired both the Annapolis-based Alta CPA Group and Southampton-based Zinman & Company. These moves are intended to broaden the firm's national platform and increase its reach across the Mid-Atlantic region.

Why it matters

The acquisitions serve to integrate specialized regional expertise into Sorren's growing national network, reinforcing its position as a top-tier firm. The deal signals the company's continued commitment to aggressive growth following its formation last year.

Sorren reported $192.3 million in annual revenue and currently operates 24 offices with 101 partners and over 1,100 employees. The firm currently holds the 48th spot on Accounting Today's 2026 Top 100 Firms list.

The players

Sorren

Headquartered in Meridian, Idaho, this accounting firm is backed by DFW Capital Partners.

Alta CPA Group

This is an accounting firm based in Annapolis, Maryland, that has now been acquired by Sorren.

Zinman & Company

This is an accounting firm based in Southampton, Pennsylvania, that has now been acquired by Sorren.

DFW Capital Partners

This private equity firm provides financial backing to Sorren.

The details

Sorren, which was formed in May 2025 by combining 13 different firms, is backed by DFW Capital Partners. The firm also recently diversified its service offerings by launching a legal practice known as Sorren Law.

Timeline

  1. Sorren was formed through the combination of 13 firms in May 2025.

  2. The firm achieved the 48th ranking on the Top 100 Firms list in 2026.

  3. The acquisitions of Alta CPA Group and Zinman & Company were completed in September 2026.

Market Landscape

The firm's placement on Accounting Today's 2026 Top 100 Firms list highlights its rapid ascent in a sector currently marked by intense consolidation. By adding regional firms to its portfolio, Sorren is positioning itself to compete more aggressively against established national professional services providers.

Clients of the newly acquired firms should expect service continuity as specialized expertise is integrated into the larger Sorren platform. This expansion may eventually offer current customers access to a broader suite of services, including the firm's new legal practice.

The takeaway

Rapidly consolidating professional services firms are increasingly leveraging private equity backing to expand their geographic reach. Business owners in similar sectors should monitor these trends as they often signal shifts in local service availability and market competition.

Further reading

Learn more about the latest industry trends by visiting our Professional Services section.

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