Company: RKLIF
Filing Date: 2025-03-26
Form Type: 6-K
Source: 0001104659-25-027955
Chunk: 0

Company: RENTOKIL INITIAL PLC /FI
Filing Date: 2025-03-26
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of March 2025

Commission File Number: 001-41524

RENTOKIL INITIAL PLC

(Registrant’s name)

Compass House

Manor Royal

Crawley

West Sussex RH10 9PY

United Kingdom

(Address of principal executive office)</div>

Indicate by check mark whether
the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

| Form 20-F x | Form 40-F ¨ |

Attached to this Form 6-K as Exhibit 99.1 is the Annual
Report 2024 of Rentokil Initial plc.

<div align='center'>EXHIBIT INDEX</div>

| Exhibit | Description                                |
| 99.1    | Annual Report 2024 of Rentokil Initial plc |

<div align='center'>SIGNATURES</div>

Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto
duly authorized.

| Rentokil Initial plc |               |                                             |
| By:                  | /s/           
 Rachel Canham |                                             |
|                      | Name:         | Rachel Canham                               |
|                      | Title:        | Group General Counsel and Company Secretary |

Date: 26 March 2025