v3.26.1
Related parties disclosure (Tables)
 12 Months Ended
Dec. 31, 2025
Related parties disclosure  
Schedule of subsidiary

As at December 31, 2025, the consolidated financial statements of the Group include the entities listed in the following table:

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%

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%

  ​ ​ ​

  ​ ​ ​

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ownership

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ownership

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​

​

​

​

​

​

​

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as at

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as at

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​

​

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Country of 

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Year of 

​

​

​

December 31,

​

December 31,

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Group Company Name

​

incorporation

  ​ ​ ​

incorporation

  ​ ​ ​

Share Capital

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

Nature of business

SEALSQ France SAS

​

France

​

2010

​

EUR 1,473,162

​

100%

​

100%

​

Chip manufacturing, sales & distribution

SEALSQ Japan KK

​

Japan

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2017

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JPY 1,000,000

​

100%

​

100%

​

Sales & distribution

SEALSQ France Taiwan Branch

​

Taiwan

​

2017

​

TWD 100,000

​

100%

​

100%

​

Sales & distribution

SEALSQ USA Ltd

​

U.S.A.

​

2024

​

Nil

​

100%

​

100%

​

Sales & distribution

IC’Alps SAS

​

France

​

2025

​

EUR 1,100,000

​

100%

​

n/a

​

Custom ASIC design services
Schedule of equity method investments

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​

​

​

​

​

  ​ ​ ​

% ownership as at

  ​ ​ ​

% ownership as at

  ​ ​ ​

  ​

​

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December 31,

​

December 31,

​

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Company Name

​

2025

  ​ ​ ​

2024

  ​ ​ ​

Nature of relationship

The WeCan Group AG

​

31.87%

​

n/a

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Equity method investment

Quantix Edge Security, S.L.

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5.0%

​

n/a

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Equity method investment

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​

​

​

​

​

​

​

​

  ​ ​ ​

% ownership as at

  ​ ​ ​

% ownership as at

  ​ ​ ​

  ​

​

​

December 31,

​

December 31,

​

​

Company Name

​

2025

  ​ ​ ​

2024

  ​ ​ ​

Nature of relationship

WISeSat.Space Corp

​

8.08%

​

n/a

​

Equity method investment
Schedule of related party transactions and balances

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  ​ ​ ​

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  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Net expenses to

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Net income from

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​

​

Receivables as at

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Payables as at

​

in the year ended 

​

in the year ended 

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Related Parties

​

December 31,

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December 31,

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December 31,

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December 31,

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December 31,

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December 31,

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(in USD’000)

​

2025

  ​ ​ ​

2024

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

1

Carlos Moreira

​

—

​

—

​

614

​

953

​

—

​

—

​

—

​

—

​

—

​

—

2

John O’Hara

​

—

​

—

​

4

​

381

​

—

​

—

​

—

​

—

​

—

​

—

3

Ruma Bose

 

—

 

—

 

—

 

13

 

162

 

97

 

33

 

—

 

—

 

—

4

Cristina Dolan

 

—

 

—

 

—

 

13

 

222

 

74

 

—

 

—

 

—

 

—

5

David Fergusson

 

—

 

—

 

14

 

—

 

173

 

18

 

—

 

—

 

—

 

—

6

Danil Kerimi

 

—

 

—

 

—

 

13

 

27

 

105

 

8

 

—

 

—

 

—

7

Eric Pellaton

 

—

 

—

 

—

 

13

 

161

 

74

 

—

 

—

 

—

 

—

8

Peter Ward

 

—

 

—

 

—

 

—

 

1,381

 

6

 

—

 

—

 

—

 

—

9

Hossein Rahnama

 

—

 

—

 

—

 

—

 

85

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​

​

​

​

​

​

​

​

​

10

WISeKey International Holding AG

 

8,107

 

—

 

1,563

 

4,821

 

1,864

 

4,752

 

5,283

 

2,332

 

—

 

—

11

WISeKey SA

 

81

 

—

 

270

 

237

 

730

 

978

 

—

 

—

 

—

 

—

12

WISeKey USA Inc

 

—

 

—

 

—

 

—

 

—

 

—

 

827

 

—

 

—

 

—

13

WISeKey Semiconductors GmbH

 

—

 

—

 

—

 

—

 

—

 

84

 

180

 

—

 

—

 

—

14

WISeCoin AG

 

—

 

—

 

347

 

3,445

 

9

 

75

 

75

 

—

 

—

 

—

15

SEALCoin AG

 

468

 

223

 

—

 

—

 

—

 

—

 

—

 

209

 

227

 

—

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Total

​

8,656

 

223

 

2,812

 

9,889

 

4,814

 

6,263

 

6,406

 

2,541

 

227

 

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