Boardroom Alpha
10-K primary document
TMC · Annual Report (Form 10-K) · Filed March 31, 2026

Tmc The Metals Co Inc10-K exhibit

tmc-20251231xex21d1.htm

Exhibit 21.1

Subsidiaries of Registrant

Subsidiary

State or Country
of Organization

Percentage
Ownership

DeepGreen Engineering Pte. Ltd.

Singapore

100%

DeepGreen Metals ULC

Canada

100%

The Metals Company USA, LLC

United States

100%

DeepGreen TOML Holding 1 Ltd.

British Virgin Islands

100%

DeepGreen TOML Holding 2 Ltd.

British Virgin Islands

100%

DeepGreen TOML Singapore Ltd.

Singapore

100%

Koloa Moana Resources Ltd.

Canada

100%

Nauru Ocean Resources Inc.

Republic of Nauru

100%

Offshore Minerals Pty. Ltd.

Australia

100%

The Metals Company Australia Pty Ltd

Australia

100%

TMC The Metals Company UK Limited

United Kingdom

100%

Tonga Offshore Mining Limited

Kingdom of Tonga

100%

Seafloor Mineral Ventures

Indonesia

100%


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