| Goodwill and intangible assets |
Goodwill and intangible assets The following table presents the changes in goodwill for the year ended December 31, 2025 and the three months ended March 31, 2026: | | | | | | | | | | | | | For the year ended December 31, 2025 | | For the three months ended March 31, 2026 | | Opening balance | $ | 1,669,769 | | | $ | 1,781,116 | | | Goodwill relating to acquisitions consummated during the period | 111,925 | | — | | | Impact of measurement period adjustments | 346 | | — | | | Effect of exchange rate fluctuations | (924) | | (13,433) | | | Closing balance | $ | 1,781,116 | | | $ | 1,767,683 | |
The following table presents the changes in goodwill by reporting unit for the year ended December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | Financial Services | | Consumer and Healthcare | | High Tech and Manufacturing | | Total | | Opening balance | $ | 404,997 | | | $ | 587,797 | | | $ | 676,975 | | | $ | 1,669,769 | | | Goodwill relating to acquisitions consummated during the period | 6,132 | | | 88,519 | | | 17,274 | | | 111,925 | | | Impact of measurement period adjustments | 19 | | | 274 | | | 53 | | | 346 | | | Effect of exchange rate fluctuations | 280 | | | (106) | | | (1,098) | | | (924) | | | Closing balance | $ | 411,428 | | | $ | 676,484 | | | $ | 693,204 | | | $ | 1,781,116 | |
The following table presents the changes in goodwill by reporting unit for the three months ended March 31, 2026: | | | | | | | | | | | | | | | | | | | | | | | | | Financial Services | | Consumer and Healthcare | | High Tech and Manufacturing | | Total | | Opening balance | $ | 411,428 | | | $ | 676,484 | | | $ | 693,204 | | | $ | 1,781,116 | | | Goodwill relating to acquisitions consummated during the period | — | | | — | | | — | | | — | | | Impact of measurement period adjustments | — | | | — | | | — | | | — | | | Effect of exchange rate fluctuations | (3,129) | | | (5,074) | | | (5,230) | | | (13,433) | | | Closing balance | $ | 408,299 | | | $ | 671,410 | | | $ | 687,974 | | | $ | 1,767,683 | |
9. Goodwill and intangible assets (Continued) The total amount of the Company’s goodwill deductible for income tax purposes was $210,585 and $203,435 as of December 31, 2025 and March 31, 2026, respectively. The Company’s intangible assets are as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | As of March 31, 2026 | | Gross carrying amount | | Accumulated amortization & Impairment | | Net | | Gross carrying amount | | Accumulated amortization & Impairment | | Net | | Customer-related intangible assets | $ | 513,977 | | | $ | 459,682 | | | $ | 54,295 | | | $ | 510,744 | | | $ | 459,561 | | | $ | 51,183 | | | Marketing-related intangible assets | 102,233 | | 102,208 | | 25 | | 102,043 | | 102,018 | | 25 | | Technology-related intangible assets | 141,659 | | 128,939 | | 12,720 | | 149,264 | | 130,730 | | 18,534 | | $ | 757,869 | | | $ | 690,829 | | | $ | 67,040 | | | $ | 762,051 | | | $ | 692,309 | | | $ | 69,742 | |
Amortization expenses for intangible assets acquired as part of a business combination and disclosed in the consolidated statements of income under amortization of acquired intangible assets for the three months ended March 31, 2025 and 2026 were $4,320 and $3,112, respectively. Amortization expenses for internally-developed and other intangible assets disclosed in the consolidated statements of income under cost of revenue and selling, general and administrative expenses for the three months ended March 31, 2025 and 2026 were $618 and $1,784, respectively.
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