Company: FSV
Filing Date: 2025-05-07
Form Type: 6-K
Source: 0001171843-25-002868
Chunk: 0

Company: FirstService Corp
Filing Date: 2025-05-07
Form: 6-K
Chunk 0
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

<div align='center'>REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2025

Commission File Number: 001-36897

FIRSTSERVICE CORPORATION
(Translation of registrant's name into English)

1255 Bay Street, Suite 600
Toronto, Ontario, Canada
M5R 2A9
(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 [ ] Form 40-F [ X ]

<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.

| Date: May 7, 2025 |     | FIRSTSERVICE CORPORATION 
 (Registrant)             
 /s/ Jeremy Rakusin       |
|:------------------|:----|:-------------------------|
|                   |     | Jeremy Rakusin           |
|                   |     | Chief Financial Officer  |

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