As filed with the U.S. Securities and Exchange Commission on October 31, 2024.

Registration No. 333-     

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form F-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

Marex Group plc

(Exact Name of Registrant as Specified in its Charter)

Not Applicable

(Translation of Registrant’s Name into English)

155 Bishopsgate

London EC2M 3TQ

United Kingdom

+44 2076 556000

(Address, including zip code, and telephone number, including area code, of Registrant’s principal executive offices)

Marex Capital Markets Inc.

140 East 45th Street, 10th Floor

New York, New York 10017

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

Copies to:

Anna T. Pinedo

Ryan Castillo

Mayer Brown LLP

1221 Avenue of the Americas

New York, New York 10020

(212) 506-2275

Approximate date of commencement of proposed sale to the public: As soon as practicable after this registration statement becomes effective.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box. ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☒ (File No. 333-282656)

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933. Emerging growth company ☐

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, 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 standards† provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

This registration statement shall become effective upon filing in accordance with Rule 462(b) promulgated under the Securities Act.

EXPLANATORY NOTE AND INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

This Registration Statement (the “Registration Statement”) is being filed with the U.S. Securities and Exchange Commission (the “Commission”) pursuant to Rule 462(b) under the Securities Act of 1933, as amended. This Registration Statement relates to the public offering of up to $600,000,000 in aggregate principal amount of Senior Notes due Nine Months or More from Date of Issue (the “notes”), of Marex Group plc (the “Registrant”) contemplated by the Registration Statement on Form F-1 (File No. 333-282656), initially filed with the Commission by the Registrant on October 15, 2024 (as amended by Amendment No. 1 thereto filed on October 22, 2024, the “Initial Registration Statement”), and is being filed for the sole purpose of registering an additional $100,000,000 in aggregate principal amount of the notes. The additional notes that are being registered for sale are in an amount and at a price that together represent no more than 20% of the maximum aggregate offering price set forth in the Calculation of Filing Fee Table filed as exhibit 107 to the Initial Registration Statement. The contents of the Initial Registration Statement, which was declared effective by the Commission on October 28, 2024, including the exhibits thereto, are incorporated by reference into this Registration Statement.

EXHIBIT INDEX

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form F-1 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in London, the United Kingdom on October 31, 2024.

Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed by the following persons on October 31, 2024 in the capacities indicated:

SIGNATURE OF AUTHORIZED U.S. REPRESENTATIVE OF REGISTRANT

Pursuant to the requirements of the Securities Act of 1933, as amended, the undersigned, the duly authorized representative in the United States of Marex Group plc has signed this registration statement on October 31, 2024.

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form F-1 MEF of our report dated 26 March 2024, relating to the financial statements of Marex Group plc, included in Registration Statement No. 333-282656 on Form F-1 of Marex Group plc. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

Exhibit 107

CALCULATION OF FILING FEE TABLES

FORM F-1

(Form Type)

MAREX GROUP PLC

(Exact Name of Registrant as Specified in its Articles of Association)

Table 1: Newly Registered and Carry Forward Securities