The following table sets forth the changes in the carrying amount of the Company's goodwill for the six months ended June 30, 2025.


(in thousands)	SaaS		Marketing Services		Total




Balance as of December 31, 2024	$	253,318	$	—	$	253,318


Measurement period adjustments to Keap Acquisition (1)	491		—		491
Balance as of June 30, 2025	$	253,809	$	—	$	253,809

(1) Goodwill increased during the six months ended June 30, 2025 in connection with a measurement period adjustment for the Keap Acquisition. See Note 2, Acquisitions.

The following tables set forth the details of the Company's intangible assets as of June 30, 2025 and December 31, 2024:


	As of June 30, 2025
(in thousands)	Gross		Accumulated Amortization		Net		Weighted Average Remaining Amortization Period in Years
Client relationships	$	823,589	$	(799,259)	$	24,330	7.2
Trademarks and domain names	229,219		(223,778)		5,441		7.0
Covenants not to compete	5,222		(5,189)		33		0.5
Total intangible assets	$	1,058,030	$	(1,028,226)	$	29,804	7.1


	As of December 31, 2024
(in thousands)	Gross		Accumulated Amortization		Net		Weighted Average Remaining Amortization Period in Years
Client relationships	$	818,781	$	(790,891)	$	27,890	7.4
Trademarks and domain names	228,021		(221,936)		6,085		7.4
Covenants not to compete	5,221		(4,937)		284		0.5
Total intangible assets	$	1,052,023	$	(1,017,764)	$	34,259	7.4

Amortization expense for intangible assets for the three and six months ended June 30, 2025 was $2.2 million and $4.6 million, respectively. Amortization expense for intangible assets for the three and six months ended June 30, 2024 was $5.1 million and $10.5 million, respectively.

Estimated aggregate future amortization expense for the Company's intangible assets is as follows:


(in thousands)	Estimated Future Amortization Expense
2025 (remaining)	$	3,801
2026	5,961
2027	4,593
2028	4,226
2029	3,762
Thereafter	7,461
Total	$	29,804