What's Happening?
In 2025, CBIZ CPAs and Baker Tilly emerged as leaders in acquiring new Securities and Exchange Commission (SEC) audit clients, driven by significant mergers. CBIZ CPAs secured 168 new engagements, largely due to its merger with Marcum, a billion-dollar
firm, in late 2024. Baker Tilly followed closely, gaining 71 new clients, primarily from its merger with Moss Adams, a major West Coast firm. These mergers resulted in a substantial increase in new audit engagements during the second quarter of 2025. Other firms also benefited from mergers, such as Stephano Slack, which acquired 10 new clients from Assurance Dimensions, and Withum, which gained five new engagements from its acquisition of Freed Maxick. Additionally, LAO Professionals in Nigeria gained 15 new clients following the suspension of Olayinka Oyebola & Co. from SEC practice due to securities fraud allegations.
Why It's Important?
The surge in new SEC audit clients for CBIZ CPAs and Baker Tilly highlights the impact of strategic mergers in the accounting industry. These mergers not only expand the client base of the firms involved but also enhance their market position and competitive edge. The consolidation of audit services can lead to increased efficiency and expertise, benefiting both the firms and their clients. Furthermore, the trend of mergers and acquisitions in the accounting sector reflects broader industry dynamics, where firms seek growth through strategic partnerships. This development may influence future business strategies and client acquisition approaches within the industry.
What's Next?
As the accounting industry continues to evolve, further mergers and acquisitions are likely, potentially reshaping the landscape of audit services. Firms may pursue additional strategic partnerships to enhance their service offerings and expand their market reach. The success of CBIZ CPAs and Baker Tilly in acquiring new clients through mergers may encourage other firms to explore similar opportunities. Additionally, regulatory changes and market demands could influence the direction of future mergers, impacting the distribution of audit clients across the industry.
Beyond the Headlines
The trend of mega-mergers in the accounting industry raises questions about the concentration of audit services and its implications for competition and client choice. As larger firms dominate the market, smaller firms may face challenges in maintaining their client base and competitive position. This consolidation could lead to increased scrutiny from regulators concerned about market monopolization and its effects on audit quality and independence. Moreover, the ethical considerations surrounding mergers, such as transparency and client impact, may become more prominent as the industry navigates these changes.









