# EDGAR Filing Document

**Accession Number:** 0001649373
**File Stem:** 0001104659-25-092049
**Filing Date:** 2025-9
**Character Count:** 8579
**Document Hash:** 113e60ebcc1631daf4ed9bfc551d0886
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-092049.hdr.sgml**: 20250922

**ACCESSION NUMBER**: 0001104659-25-092049

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250922

**DATE AS OF CHANGE**: 20250922

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SANTANDER UK GROUP HOLDINGS PLC
- **CENTRAL INDEX KEY:** 0001649373
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMERCIAL BANKS, NEC [6029]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** X0
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37595
- **FILM NUMBER:** 251329531

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2 TRITON SQUARE
- **STREET 2:** REGENT'S PLACE
- **CITY:** LONDON
- **PROVINCE COUNTRY:** X0
- **BUSINESS PHONE:** 02077564550

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2 TRITON SQUARE
- **STREET 2:** REGENT'S PLACE
- **CITY:** LONDON
- **PROVINCE COUNTRY:** X0

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-A**

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES**

**PURSUANT TO SECTION 12(b) OR 12(g) OF**

**THE SECURITIES EXCHANGE ACT OF 1934**

**Santander UK Group Holdings plc**

**(Exact name of Registrant as Specified in Its Charter)**

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| | |
|:---|:---|
| &nbsp;&nbsp;**England<br> (State of Incorporation or Organization)** | &nbsp;&nbsp;**98-1266745<br> (I.R.S. Employer Identification No.)** |
| &nbsp;&nbsp;**2 Triton Square, Regent's Place, <br> London, United Kingdom<br> (Address of Principal Executive Office)** | &nbsp;&nbsp;**NWI 3AN<br> (Zip Code)** |

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**Securities to be registered pursuant to Section 12(b) of the Act:**

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| | |
|:---|:---|
| &nbsp;&nbsp;**Title of each class to be so registered** | &nbsp;&nbsp;**Name of each exchange on which each class is to be registered** |
| &nbsp;&nbsp;**4.320% Fixed Rate/Floating Rate Notes due 2029 <br> 5.136% Fixed Rate/Floating Rate Notes due 2036 <br> Floating Rate Notes due 2029** | &nbsp;&nbsp;**The New York Stock Exchange** |

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If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. ⌧

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box. ◻

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ◻

**Securities Act registration statement file number to which this form relates: No. 333-280673**

**Securities to be registered pursuant to Section 12(g) of the Act: None**

**INFORMATION REQUIRED IN REGISTRATION STATEMENT**

Santander UK Group Holdings plc (the "Registrant") has filed with the Securities and Exchange Commission (the "SEC") pursuant to Rule 424(b) under the Securities Act of 1933 the prospectus supplement dated September 15, 2025 (the "Prospectus Supplement") to a prospectus dated July 3, 2024 (the "Prospectus") included in the Registrant's registration statement on Form F-3 (File No. 333-280673), relating to the securities to be registered hereunder (the "Notes").

**Item 1. Description of Registrant's Securities to be Registered.**

Reference is made to the information set forth on pages 14 through 30 of the Prospectus (under "Description of the Debt Securities"), pages 45 through 52 of the Prospectus (under "Certain Tax Considerations"), pages S-27 through S-37 of the Prospectus Supplement (under "Description of the Notes") and page S-38 of the Prospectus Supplement (under "Tax Considerations"), all of which information is incorporated by reference in this registration statement.

**Item 2. Exhibits.**

Pursuant to the Instructions as to Exhibits with respect to Form 8-A, the following exhibits are being filed with the SEC in connection with this Registration Statement:

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|:---|:---|
| [1.1](https://www.sec.gov/Archives/edgar/data/1649373/000104746917002689/a2231564zex-4_4.htm) | [Amended and Restated Senior Debt Securities Indenture, dated as of April 18, 2017, between Santander UK Group Holdings plc, as issuer, and Citibank, N.A., as trustee (the "Trustee") (as successor to Wells Fargo Bank, National Association pursuant to an agreement of resignation, appointment and acceptance dated March 4, 2021, among the Issuer, the Trustee and Wells Fargo Bank, National Association) (incorporated by reference to Exhibit 4.4 of the Registrant's Post-Effective Amendment No.1 to the Registration Statement on Form F-3 (File No. 333-207355), filed with the SEC on April 18, 2017).](https://www.sec.gov/Archives/edgar/data/1649373/000104746917002689/a2231564zex-4_4.htm) |

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|:---|:---|
| [1.2](https://www.sec.gov/Archives/edgar/data/1649373/000110465917066003/a17-25102_2ex4d8.htm) | [First Supplemental Indenture, dated as of November 3, 2017, supplementing and amending the Amended and Restated Senior Debt Securities Indenture dated as of April 18, 2017 (incorporated by reference to Exhibit 4.8 of the Registrant's Report on Form 6-K (File No. 001-37595), filed with the SEC on November 3, 2017).](https://www.sec.gov/Archives/edgar/data/1649373/000110465917066003/a17-25102_2ex4d8.htm) |

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|:---|:---|
| [1.3](https://www.sec.gov/Archives/edgar/data/1649373/000110465920097467/a20-27247_4ex4d10.htm) | [Fourth Supplemental Indenture dated as of August 21, 2020, supplementing and amending the Amended and Restated Senior Debt Securities Indenture dated as of April 18, 2017 (incorporated by reference to Exhibit 4.10 to the Registrant's Report of Foreign Issuer on Form 6-K (File No. 001-37595), filed with the SEC on August 21, 2020).](https://www.sec.gov/Archives/edgar/data/1649373/000110465920097467/a20-27247_4ex4d10.htm) |

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|:---|:---|
| [1.4](https://www.sec.gov/Archives/edgar/data/1649373/000110465921080610/tm2118465d4_4-12.htm) | [Sixth Supplemental Indenture dated as of June 14, 2021, supplementing and amending the Amended and Restated Senior Debt Securities Indenture dated as of April 18, 2017 (incorporated by reference to Exhibit 4.12 to the Registrant's Report of Foreign Issuer on Form 6-K (File No. 001-37595), filed with the SEC on June 14, 2021).](https://www.sec.gov/Archives/edgar/data/1649373/000110465921080610/tm2118465d4_4-12.htm) |

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|:---|:---|
| [1.5](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) | [Twelfth Supplemental Indenture dated as of September 22, 2025, supplementing and amending the Amended and Restated Senior Debt Securities Indenture dated as of April 18, 2017 (incorporated by reference to Exhibit 4.18 to the Registrant's Report of Foreign Issuer on Form 6-K (File No. 001-37595), filed with the SEC on September 22, 2025).](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) |

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|:---|:---|
| [1.6](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) | [Form of Global Note for 4.320% Fixed Rate/Floating Rate Notes due 2029 (included in Exhibit 1.5).](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) |

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|:---|:---|
| [1.7](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) | [Form of Global Note for 5.136% Fixed Rate/Floating Rate Notes due 2036 (included in Exhibit 1.5).](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) |

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| | |
|:---|:---|
| [1.8](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) | [Form of Global Note for Floating Rate Notes due 2029 (included in Exhibit 1.5).](https://www.sec.gov/Archives/edgar/data/1649373/000110465925092030/tm2525811d6_ex4-18.htm) |

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**SIGNATURE**

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

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| | |
|:---|:---|
| Santander UK Group Holdings plc | Santander UK Group Holdings plc |
| By: | /s/ Rebecca Nind |
| Name: | Rebecca Nind |
| Title: | Authorized Signatory |

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Date: September 22, 2025