Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Unit

The following table summarizes the information about RSUs of Andersen Group Inc. that were granted during the year ended December 31, 2025:

	Number of Units
Outstanding as of December 31, 2024	-
Granted	5,440,720
Vested	-
Forfeited	(21,342)
Outstanding as of December 31, 2025	5,419,378

Schedule of Outstanding Award, Activity, Excluding Option

The following table summarizes information around AT Umbrella LLC LTIP Units:

	Number of Units
Outstanding as of December 31, 2024	-
Granted	976,563
Vested	-
Forfeited	-
Outstanding as of December 31, 2025	976,563

Schedule of Nonvested Share Activity

The following table summarizes information around Class X Aggregator Units subject to vesting conditions:

	Number of Units
Unvested Class X Aggregator Units Included in Reorganization Transactions	45,060,250
Granted	-
Vested	(202,500)
Forfeited	(112,500)
Outstanding as of December 31, 2025	44,745,250

Schedule of Equity-based Compensation Expense

The table below reflects the total equity-based compensation expense recognized in the consolidated statement of operations for the year ended December 31, 2025 (in thousands):

	Year ended December 31, 2025
Cost of services	$	114,729
Sales, general and administrative	32,643
Equity restructuring costs	193,163
Total	$	340,535