Company: CGCT
Filing Date: 2025-04-10
Form Type: S-1/A
Source: 0001104659-25-033813
Chunk: 6

Company: Cartesian Growth Corp III
Filing Date: 2025-04-10
Form: S-1/A
Chunk 6
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 offered or sold to such purchaser by means of any of the following communications, the       
 undersigned registrant will be a seller to the purchaser and will be considered to offer         
 or sell such securities to such purchaser:                                                       |

| (i) | any preliminary prospectus or prospectus                                                          
 of the undersigned registrant relating to the offering required to be filed pursuant to Rule 424; |

| (ii) | any free writing prospectus relating to                                                    
 the offering prepared by or on behalf of the undersigned registrant or used or referred to 
 by the undersigned registrant;                                                             |

| (iii) | the portion of any other free writing                                                     
 prospectus relating to the offering containing material information about the undersigned 
 registrant or its securities provided by or on behalf of the undersigned registrant; and  |

| (iv) | any other communication that is an offer                             
 in the offering made by the undersigned registrant to the purchaser. |

<div align='center'>II-3

Signatures</div>

Pursuant to the requirements of the Securities
Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in New York, New York, on the 10 day of April, 2025.

| Cartesian              
 Growth Corporation III |                   |
| By:                    | /s/ Peter Yu      |
| Name:                  | Peter             
 Yu                |
| Title:                 | Chief             
 Executive Officer |

Pursuant to the requirements of the Securities
Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities and on
the dates indicated.

| Name                
 /s/ Peter Yu        |     | Position                                 
 Chairman                                 
 of the Board and Chief Executive Officer |     | Date           
 April 10, 2025 |
|:--------------------|:----|:-----------------------------------------|:----|:---------------|
| Peter               
 Yu                  |     | -Principal                               
 Executive Officer                        |     |                |
| /s/ Rafael de Luque |     | Chief                                    
 Financial Officer                        |     | April 10, 2025 |
| Rafael              
 de Luque            |     | -Principal                               
 Financial and Accounting Officer         |     |                |

<div align='center'>II-4

Authorized representative IN THE UNITED STATES</div>

Pursuant to the requirements of Section 6(a) of