UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenue	$ 337,318	$ 284,288	$ 795,722	$ 668,346
Operating expenses:
Cost of services (excluding depreciation and amortization)	182,957	123,832	522,892	467,038
Sales, general and administrative	49,057	40,485	147,572	129,726
Depreciation and amortization	2,864	2,637	7,660	6,768
Total operating expenses	234,878	166,954	678,124	603,532
Operating income	102,440	117,334	117,598	64,814
Interest income	1,581	881	4,957	3,111
Interest expense	(5,739)	(20)	(17,860)	(267)
Other income, net	1,313	786	5,284	3,079
Income before income tax expense	99,595	118,981	109,979	70,737
Income tax expense	31,627	7,870	34,367	5,033
Net income	67,968	111,111	75,612	65,704
Less: net income attributable to noncontrolling interest	76,949		85,107
Net loss attributable to Andersen Group Inc.	$ (8,981)		$ (9,495)
Net loss per share of Class A common stock, basic (in dollars per share)	$ (0.55)		$ (0.68)
Net loss per share of Class A common stock, diluted (in dollars per share)	$ (0.55)		$ (0.68)
Weighted-average shares of Class A common stock outstanding, basic (in shares)	16,215,709		14,055,314
Weighted-average shares of Class A common stock outstanding, diluted (in shares)	16,215,709		14,055,314
Comprehensive income
Net income	$ 67,968	$ 111,111	$ 75,612	$ 65,704
Other comprehensive loss, net of tax
Foreign currency translation losses	(146)		(146)
Comprehensive income	67,822		75,466
Less: comprehensive income attributable to noncontrolling interest	76,824		84,982
Comprehensive loss attributable to Andersen Group Inc.	$ (9,002)		$ (9,516)
Class A Common Stock
Operating expenses:
Net loss per share of Class A common stock, basic (in dollars per share)	$ (0.55)		$ (0.68)
Net loss per share of Class A common stock, diluted (in dollars per share)	$ (0.55)		$ (0.68)
Weighted-average shares of Class A common stock outstanding, basic (in shares)	16,215,709		14,055,314
Weighted-average shares of Class A common stock outstanding, diluted (in shares)	16,215,709		14,055,314