| Related parties disclosure |
Note 40. Related parties disclosure Subsidiaries The condensed consolidated financial statements of the Group include the entities listed in the following table: | Group Company Name | | Country of incorporation | | Year of incorporation | | Share Capital | | % ownership as of June 30, 2026 | | | % ownership as of December 31, 2025 | | | Nature of business | | WISeKey SA | | Switzerland | | 1999 | | CHF 933,436 | | | 95.75 | % | | | 95.75 | % | | Main operating company. Sales and R&D services | | SEALSQ France SAS* | | France | | 2010 | | EUR 1,473,162 | | | 5.85 | % | | | 6.78 | % | | Chip manufacturing, sales & distribution | | WiseTrust SA | | Switzerland | | 1999 | | CHF 680,000 | | | 100 | % | | | 100 | % | | Non-operating investment company | | ISeKey ELA SL | | Spain | | 2006 | | EUR 4,000,000 | | | 95.75 | % | | | 95.75 | % | | Sales & support | | WISeKey SAARC Ltd | | U.K. | | 2016 | | GBP 100,000 | | | 51 | % | | | 51 | % | | Non trading | | WISeKey USA Inc1 | | U.S.A. | | 2006 | | USD 6,500 | | | 95.75 | % | | | 95.75 | % | | Sales & support | | WISeKey India Private Ltd2 | | India | | 2016 | | INR 1,000,000 | | | 45.9 | % | | | 45.9 | % | | Sales & support | | SEALSQ Japan KK3* | | Japan | | 2017 | | JPY 1,000,000 | | | 5.85 | % | | | 6.78 | % | | Sales & distribution | | SEALSQ France, Taiwan Branch4* | | Taiwan | | 2017 | | TWD 100,000 | | | 5.85 | % | | | 6.78 | % | | Sales & distribution branch | | WISeCoin AG | | Switzerland | | 2018 | | CHF 100,000 | | | 90 | % | | | 90 | % | | Sales & distribution | | WISeKey Equities AG | | Switzerland | | 2018 | | CHF 100,000 | | | 100 | % | | | 100 | % | | Financing, Sales & distribution | | WISeKey Semiconductors GmbH | | Germany | | 2019 | | EUR 25,000 | | | 100 | % | | | 100 | % | | Sales & distribution | | WISeKey Arabia - Information Technology Ltd | | Saudi Arabia | | 2019 | | SAR 200,000 | | | 51 | % | | | 51 | % | | Sales & distribution | | WISe.ART AG | | Switzerland | | 2020 | | CHF 114,286 | | | 87.5 | % | | | 87.5 | % | | Sales & distribution | | WISeKey Vietnam Ltd | | Vietnam | | 2021 | | VND 689,400,000 | | | 95.75 | % | | | 95.75 | % | | R&D | | SEALSQ Corp* | | British Virgin Islands | | 2022 | | USD 229,453 | | | 5.85 | % | | | 6.78 | % | | Sales & support | | WISeKey (Gibraltar) Limited | | Gibraltar | | 2022 | | GBP 100 | | | 100 | % | | | 100 | % | | Sales & support | | WISeSat.Space AG | | Switzerland | | 2023 | | CHF 100,000 | | | 92.47 | % | | | 92.47 | % | | Sales & distribution | | SEALSQ USA Ltd* | | U.S.A. | | 2024 | | USD - | | | 5.85 | % | | | 6.78 | % | | Sales & support | | SEALCOIN AG | | Switzerland | | 2024 | | CHF 133,333 | | | 75 | % | | | 75 | % | | Sales & distribution | | WISeKey International Corp. | | British Virgin Islands | | 2025 | | USD - | | | 100 | % | | | 100 | % | | Non trading | | WISeSat.Space Corp. | | British Virgin Islands | | 2025 | | USD - | | | 92.47 | % | | | 92.47 | % | | Non trading | | WISeSat.Space Iberica, S.L. | | Spain | | 2025 | | EUR 3,000 | | | 92.47 | % | | | - | | | Non trading
| | IC’Alps SAS* | | France | | 2025 | | EUR 1,100,000 | | | 5.85 | % | | | 6.78 | % | | Custom ASIC design services | | Miraex SA | | Switzerland | | 2019 | | CHF 904,536 | | | 100 | % | | | - | | | Photonic integrated circuit (PIC) platform | | Wecan Group SA | | Switzerland | | 2017 | | CHF 304,911 | | | 3.25 | % | | | 2.16 | % | | Blockchain solutions for data quality and compliance in the financial sector | | QAIT Corp. (subsequently renamed Quantisimo Corp.) | | British Virgin Islands | | 2025 | | USD - | | | 100 | % | | | 100 | % | | Non trading | | QAIT Association5 | | Switzerland | | 2026 | | CHF - | | | - | | | | - | | | SEALCOIN ecosystem and token-related activities | | Trust Protocol Association | | Switzerland | | 2019 | | CHF - | | | 100 | % | | | 100 | % | | Association cofounded by WISeKey Equities AG involved in Internet security | | 1 | 50% owned by WISeKey SA and 50% owned by WiseTrust SA | | 2 | 88% owned by WISeKey SAARC which is controlled by WISeKey International Holding Ltd | | 3 | Formerly WISeKey IoT Japan KK | | 4 | Formerly WISeKey IoT Taiwan 5 The QAIT Association is a separate Swiss legal entity in which the Group has no ownership interest or share capital. The Group consolidates the Association under ASC 810 from March 2, 2026; accordingly, no ownership percentage is presented. | | * | The WISeKey Group holds over 50% of the voting rights of SEALSQ Corp and management has assessed that the Group controls SEALSQ Corp. As a result, SEALSQ Corp and its subsidiaries have been consolidated into the WISeKey Group’s condensed consolidated financial statements. | Unconsolidated affiliates As per the table below, as of June 30, 2026, the Group holds one equity investment in unconsolidated affiliates over which it exercises significant influence, but which are not consolidated because the Group does not control the entities. As detailed in Note 22, these investments are accounted for under the equity method of accounting in accordance with ASC 323. | Company Name | | % ownership as of June 30, 2026 | | | % ownership as of December 31, 2025 | | | Nature of relationship | | Quantix Edge Security, S.L. | | | 25.50 | % | | | 25.50 | % | | Equity method investment | Related party transactions and balances The following table presents the related parties incorporated within the Group’s consolidated financial statements. | | | | | | Receivables as of | | | Payables as of | | | Unaudited Net expenses to | | | Unaudited Net income from | | | Related Parties | | June 30, 2026 | | | December 31, | | | June 30, 2026 | | | December 31, | | | in the 6 months ended June 30, | | | in the 6 months ended June 30, | | | (in USD’000) | | (unaudited) | | | 2025 | | | (unaudited) | | | 2025 | | | 2026 | | | 2025 | | | 2026 | | | 2025 | | | 1 | | | Carlos Moreira | | | - | | | | - | | | | - | | | | 614 | | | | - | | | | - | | | | - | | | | - | | | 2 | | | John O’Hara | | | - | | | | - | | | | 5 | | | | 4 | | | | - | | | | - | | | | - | | | | - | | | 3 | | | María Pía Aqueveque Jabbaz | | | - | | | | - | | | | - | | | | - | | | | 52 | | | | 59 | | | | - | | | | - | | | 4 | | | Philippe Doubre | | | - | | | | 7 | | | | - | | | | - | | | | 51 | | | | 71 | | | | - | | | | - | | | 5 | | | David Fergusson | | | - | | | | - | | | | - | | | | 26 | | | | 37 | | | | 199 | | | | - | | | | - | | | 6 | | | Jean-Philippe Ladisa | | | - | | | | - | | | | - | | | | - | | | | 41 | | | | 72 | | | | - | | | | - | | | 7 | | | Philippe Monnier | | | - | | | | - | | | | - | | | | - | | | | 52 | | | | 72 | | | | - | | | | - | | | 8 | | | Antoine Kohler | | | - | | | | - | | | | 5 | | | | - | | | | 5 | | | | - | | | | - | | | | - | | | 9 | | | Peter Ward | | | - | | | | - | | | | 1,430 | | | | 1,589 | | | | - | | | | 1,543 | | | | - | | | | - | | | 10 | | | Ruma Bose | | | - | | | | - | | | | - | | | | - | | | | 37 | | | | 125 | | | | - | | | | - | | | 11 | | | Cristina Dolan | | | - | | | | - | | | | - | | | | - | | | | 37 | | | | 136 | | | | - | | | | - | | | 12 | | | Eric Pellaton | | | - | | | | - | | | | - | | | | - | | | | 37 | | | | 124 | | | | - | | | | - | | | 13 | | | Hossein Rahnama | | | - | | | | - | | | | - | | | | - | | | | - | | | | 12 | | | | - | | | | - | | | 14 | | | Danil Kerimi | | | - | | | | - | | | | - | | | | - | | | | - | | | | 27 | | | | - | | | | - | | | 15 | | | Rolf Gobet | | | - | | | | - | | | | - | | | | - | | | | - | | | | 27 | | | | - | | | | - | | | 16 | | | OISTE | | | 196 | | | | 143 | | | | 286 | | | | 183 | | | | 231 | | | | 172 | | | | 71 | | | | 82 | | | 17 | | | Terra Ventures Inc | | | - | | | | - | | | | 32 | | | | 33 | | | | - | | | | 28 | | | | - | | | | - | | | 18 | | | GSP Holdings Ltd | | | - | | | | - | | | | 16 | | | | 17 | | | | - | | | | - | | | | - | | | | - | | | 19 | | | SAI LLC (SBT Ventures) | | | - | | | | - | | | | 33 | | | | 34 | | | | - | | | | - | | | | - | | | | - | | | 20 | | | WeCanGroup SA | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 63 | | | | - | | | 21 | | | Quantix Edge Security | | | 753 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | 753 | | | | - | | | 22 | | | Quobly | | | 1,164 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | 23 | | | Related parties of Carlos Moreira | | | - | | | | - | | | | 139 | | | | - | | | | 476 | | | | 301 | | | | - | | | | - | | | | | | Total | | | 2,113 | | | | 150 | | | | 1,946 | | | | 2,500 | | | | 1,056 | | | | 2,968 | | | | 887 | | | | 82 | | | 1. | Carlos Moreira is the Chairman of the Board of Directors and CEO of WISeKey. Mr. Moreira is also the Chairman of the Board of Directors and the CEO of SEALSQ Corp. | | 2. | John O’Hara is the CFO of WISeKey. Mr. O’Hara is also a member of the Board of Directors and the CFO of SEALSQ Corp. A short-term payable amount to John O’Hara in an amount of USD 4,680 disclosed in the balance sheet as part of accounts payable to Board Members (see Note 25) was outstanding as of June 30, 2026, in relation to a tax refund. | | 3. | María Pía Aqueveque Jabbaz is a Board member of the Group. The expenses recorded in the income statement in the six months ended, and the payable balance as of, June 30, 2026, relate to her Board fee. | | 4. | Philippe Doubre is a Board member of the Group, member of the Group’s nomination & compensation committee, and a former advisor to the Group. The expenses recorded in the income statement in the six months ended, and the payable balance as of, June 30, 2026, relate to his Board fee. | | 5. | David Fergusson is a Board member of the Group, chairman of the Group’s nomination & compensation committee and member of the Group’s audit committee. Mr. Fergusson is also a member of the Board of Directors of SEALSQ Corp, chairman of the SEALSQ Corp’s nomination & compensation committee and member of the audit committee of SEALSQ Corp. The expenses recorded in the income statement in the six months ended, and the payable balance as of, June 30, 2025, relate to his Board fees. | | 6. | Jean-Philippe Ladisa is a Board member of the Group, chairman of the Group’s audit committee and member of the Group’s nomination & compensation committee. The expenses recorded in the income statement in the six months ended, June 30, 2026 relate to his Board fee. | | 7. | Philippe Monnier is a Board member of the Group. The expenses recorded in the income statement in the six months ended, and the payable balance as of, June 30, 2026 relate to his Board fee. | | 8. | Antoine Kohler is a member of the board of directors of Wecan Group SA, subsidiary of the SEALSQ Group. The expenses recorded in the income statement in the six months ended, and the payable balance as of June 30, 2026, relate to his Board fee. | | 9. | Peter Ward is a member of the Board and former CFO of WISeKey. Mr. Ward is also a member of the Board of Directors of SEALSQ Corp and SEALSQ Corp’s former CFO. A payable balance of USD 1,429,541 is owed to Mr. Ward as of June 30, 2026 in relation to accumulated unused vacation allowance while he was employed by the Group as CFO; it is disclosed in the balance sheet as part of accounts payable to Board members for its current portion of USD 259,023 (see Note 25) and as indebtedness to related parties, noncurrent for its noncurrent portion of USD 1,170,519 (see Note 28). | | 10. | Ruma Bose is a member of the Board of Directors of SEALSQ Corp. The expenses recorded in the income statement in the six months ended, and the payable balance as of, June 30, 2026 relate to her Board fee. | | 11. | Cristina Dolan is a member of the Board of Directors of SEALSQ Corp and the Chairwoman of the audit committee of SEALSQ Corp. Ms. Dolan is also a former Board member of the Group, a former member of the Group’s audit committee and a former member of the Group’s nomination & compensation committee. The expenses recorded in the income statement in the six months ended, June 30, 2026 relate to her Board fee. | | 12. | Eric Pellaton is a member of the Board of Directors of SEALSQ Corp, member of the SEALSQ Corp’s nomination & compensation committee and member of the audit committee of SEALSQ Corp. Mr. Pellaton is also a former Board member of the Group and a former member of the Group’s nomination & compensation committee. The expenses recorded in the income statement in the six months ended, June 30, 2026 relate to his Board fee. | | 13. | Hossein Rahnama is a member of the Board of Directors of SEALSQ Corp. | | 14. | Danil Kerimi is a former member of the Board of Directors of SEALSQ Corp. | | 15. | Rolf Gobet is a member of the Group’s advisory committee. | | 16. | The Organisation Internationale pour la Sécurité des Transactions Electroniques (“OISTE”) is a Swiss non-profit making foundation that owns a cryptographic rootkey. In 2001 WISeKey SA entered into a contract with OISTE to operate and maintain the global trust infrastructures of OISTE. In line with the contract, WISeKey pays a regular fee to OISTE for the use of its cryptographic rootkey. Two members of the Board of Directors of WISeKey are also members of the Counsel of the Foundation which gives rise to the related party situation. | OISTE is also the minority shareholder in WISeCoin AG with a 10% ownership. The receivable from OISTE as of June 30, 2026 and income recorded in the income statement in the six months ended June 30, 2026 relate to the facilities and personnel hosted by WISeKey SA and WISeKey International Holding Ltd on behalf of OISTE. In the six months ended June 30, 2026, the Group invoiced OISTE a total of CHF 56,205 (USD 71,499). The payable to OISTE as of June 30, 2026 and expenses relating to OISTE recognized in the six months ended June 30, 2026 are made up of license and royalty fees for the six months ended June 30, 2026 under the contract agreement with WISeKey SA. | 17. | Terra Ventures Inc has a 49% shareholding in WISeKey SAARC Ltd. Terra Ventures granted a GBP 24,507 loan to WISeKey SAARC Ltd on January 24, 2017. The loan is non-interest bearing and has no set repayment date. | | 18. | GSP Holdings Ltd is a former shareholder in WISeKey SAARC Ltd. GSP Holdings Ltd granted a GBP 12,500 loan to WISeKey SAARC Ltd on February 2, 2017. The loan is non-interest bearing and has no set repayment date. | | 19. | SAI LLC, doing business as SBT Ventures, is a former shareholder in WISeKey SAARC Ltd. SAI LLC granted a GBP 25,000 loan to WISeKey SAARC Ltd on January 25, 2017. The loan is non-interest bearing and has no set repayment date. | | 20. | Wecan Group SA became a consolidated subsidiary of the Group on June 1, 2026. The income recognized during the five months ended May 31, 2026 relates to services provided to SEALSQ under the token services agreement dated June 28, 2025, which was satisfied on May 31, 2026. | | 21. | Quantix Edge Security S.L. is an equity method investee of the Group. The income recognized during the six months ended June 30, 2026, and the receivable balance as of June 30, 2026, relate to services provided by SEALSQ to Quantix under a statement of work. | | 22. | Quobly is an unconsolidated related party affiliate of the Group. The receivable balance as of June 30, 2026, relates to a EUR 1.0 million contractual prepayment due under the Joint Cooperation Agreement for future services. The corresponding credit amount was recorded as a contract liability and will be recognized as revenue as the related services are provided under applicable statements of work (see Note 23). | | 23. | Three immediate family members of Carlos Moreira were employed by WISeKey SA in the six months ended June 30, 2026. In line with ASC 850-10-50-5, transactions involving related parties cannot be presumed to be carried out on an arm’s length basis. The aggregate employment remuneration of these three immediate family members amounted to CHF 112,582 (USD 139,051) recorded in the income statement in the six months ended June 30, 2026. | Entities related through common control In 2025, WISeSat.Space Holdings Corp., a British Virgin Islands company, and its wholly owned subsidiary, WISeSat Merger Sub Corp., a Cayman Islands company, were established in connection with the proposed business combination involving WISeSat. These entities are ultimately owned and controlled by Carlos Moreira, the Group’s Chief Executive Officer, and are therefore related parties of the Group under ASC 850. The Group does not hold an ownership interest in either entity, and no transactions between the Group and these entities were recognized during the six months ended June 30, 2026.
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