PKF O'Connor Davies Acquires Rainer & Company

PKF O'Connor Davies Acquires Topping Kessler & Company

January 13, 2026

Accounting & Tax

PKF O'Connor Davies announced that Hollywood, Florida-based Topping Kessler & Company has joined the firm, bringing Topping Kessler's tax, accounting and advisory capabilities and its team of four partners and more than 30 staff into PKF's platform. The combined practice will operate across Hollywood and PKF O'Connor Davies' Fort Lauderdale office, expanding PKF's Florida footprint and service depth following its strategic growth investment from Investcorp and PSP Investments.

PKF O'Connor Davies Acquires Wolf Maryles & Associates

January 1, 2026

Professional Services

PKF O'Connor Davies announced that Wolf Maryles & Associates will join the firm effective January 1, 2026. The integration adds a team of 11 professionals to PKF O'Connor Davies' New York City office and expands the firm's private client tax and wealth advisory capabilities, building on a recent strategic growth investment from Investcorp and PSP Investments.

Investcorp and PSP Investments Make Strategic Growth Investment in PKF O'Connor Davies

November 18, 2024

Accounting & Tax

Investcorp, in partnership with PSP Investments, made a strategic growth investment in PKF O'Connor Davies to provide capital for accelerated growth, increased M&A activity, technology investment and expanded service offerings. PKF O'Connor Davies will continue operating its attest and advisory practices through existing licensed entities while leveraging the strengthened balance sheet and investor resources to pursue expansion.

Xeinadin Acquires Raffingers

March 20, 2025

Accounting & Tax

Xeinadin has acquired Raffingers, a London-based accounting firm, in a deal that adds about 70 team members to Xeinadin’s UK & Ireland professional services network. Financial terms were not disclosed; the acquisition expands Xeinadin’s small-business advisory capabilities and brings Raffingers’ expertise across recruitment, charity, property and construction sectors into Xeinadin’s nationwide offering.

Frazier & Deeter Acquires Rosen, Sapperstein & Friedlander (RS&F)

November 5, 2025

Accounting & Tax

Frazier & Deeter has completed its acquisition of Rosen, Sapperstein & Friedlander, LLC (RS&F), a Towson, Maryland–based CPA and advisory firm serving family offices, ultra-high-net-worth families, and middle-market organizations. The deal expands Frazier & Deeter's Mid-Atlantic footprint and broadens its advisory capabilities across industries including real estate, healthcare, government contracting, construction, manufacturing and technology.

CohnReznick Acquires Smith Schafer & Associates

January 1, 2026

Professional Services

CohnReznick acquired Minneapolis-based Smith Schafer & Associates effective January 1, 2026, marking the firm's entry into Minnesota and expanding its Midwest footprint. Smith Schafer brings three local offices, 12 partners and 89 employees, and expertise across professional services firms, construction, manufacturing, and transportation to strengthen CohnReznick's advisory, assurance, and tax capabilities.