Andersen Group Adds Andersen Poland and Four Firms in $38.1 Million Deal Set

Andersen Group Inc. signed five acquisition agreements, including Andersen Poland, representing approximately $38.1 million in annualized revenue, with closings expected in the first quarter of 2027. The company announced the agreements on November 10, 2026, according to Business Wire.

Andersen Poland Leads Five Signed Agreements

The five agreements cover DOT1 Solutions in India, 1 Rivet U.S., 1 Rivet India, Braintrust in Spain and Andersen Poland. Andersen Group said the transactions expand Andersen Consulting's technology and strategic advisory capabilities and strengthen its tax, legal and business advisory presence in Europe.

Andersen in Poland is a private legal and tax advisory firm operating five offices across Poland as a member of Andersen Global, serving enterprise and mid-market clients with integrated advisory across tax, legal, HR, GDPR, transfer pricing, compliance and bookkeeping, according to akta.pro company records. The firm was founded in 2018 and is headquartered in Warsaw.

Andersen Poland provides tax, legal and business advisory services to domestic and multinational companies, including international taxation, transfer pricing, regulatory compliance, corporate law and business consulting. The acquisition expands Andersen's European platform and its capacity to deliver integrated, cross-border advisory services.

"These acquisitions strengthen our position in markets that are increasingly important to Andersen's future," said Mark L. Vorsatz, Chairman and CEO of Andersen Group Inc. "Each business adds specialized capabilities that enhance our ability to compete for larger, more complex engagements and serve clients across multiple markets."

The five transactions bring Andersen's 2026 M&A program to 24 signed transactions representing approximately $228 million in combined annualized revenue. Of those, 16 have closed. Andersen launched Andersen Consulting on October 21, 2026, a global consulting practice operating in 66 countries with 3,000 professionals, AETOSWire reported.

Andersen Poland's Advisory Track Record

Andersen in Poland was recognized in the Legal 500 EMEA 2026 rankings, according to akta.pro company records. In December 2025, the firm worked with Andersen in Germany on joint cross-border advisory to Olavion and UNIMOT Group for the conditional acquisition of 60% of German railway company RBP for EUR 8.4 million, the same records show. Andersen in Poland also advised Neptune.ai on its announced acquisition by OpenAI in December 2025.

First-Quarter 2027 Closing Target

Andersen Group said the five latest transactions are expected to close in the first quarter of 2027. The company said it continues to evaluate a substantial pipeline of acquisition opportunities across consulting, tax, legal, valuation and financial advisory services.