Company: TMCWW
Filing Date: 2025-03-27
Form Type: S-8
Source: 0001104659-25-028835
Chunk: 0

Company: TMC the metals Co Inc.
Filing Date: 2025-03-27
Form: S-8
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on March 27, 2025</div>

Registration No. 333 –

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-8

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

TMC the metals company Inc.

(Exact name of registrant as specified in its charter)</div>

| British Columbia, Canada        |     | Not Applicable     |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer   
 Identification No. |

<div align='center'>1111 West Hastings Street, 15th Floor

Vancouver, British Columbia

V6E 2J3

(888) 458-3420

(Address, Including Zip Code, of Principal Executive
Offices)

2021 Incentive Equity Plan, as amended

(Full Title of the Plans)

Cogency Global Inc.

122 East 42ndStreet, 18 thFloor

New York, New York 10168

Telephone: (800) 221-0102

(Name, address, including zip code, and telephone
number, including area code, of agent for service)

Copies to:

Michael L. Fantozzi, Esq.

Daniel T. Kajunski, Esq.

Mintz, Levin, Cohn, Ferris, Glovsky and Popeo,
P.C.

One Financial Center

Boston, MA 02111

Telephone: (617) 542-6000</div>

Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.
See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,”
and “emerging growth company” in Rule 12b-2 of the Exchange Act.

| Large accelerated filer | ¨ |     | Accelerated filer         | ¨ |
| Non-accelerated filer   | x |     | Smaller reporting company | x |
|                         |   |     | Emerging growth company   | x |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting