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Related-Party Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2024
Related Party [Abstract] |
Schedule of Disclosure of Significant Entities Owning Voting and Restricted Stock | The following lists the most significant entities where the Company owns 100% of the voting and restricted securities.
Name | Jurisdiction of Incorporation
Cardno Consulting, LLC | Delaware, United States
International Insurance Group Inc. | Barbados
Mustang Acquisition Holdings Inc. | Delaware, United States
Stantec Australia Holdings No.1 Pty Ltd | Australia
Stantec Australia Pty Ltd | Australia
Stantec Consulting Caribbean Ltd. | Barbados
Stantec Consulting International LLC | Arizona, United States
Stantec Consulting International Ltd. | Canada
Stantec Consulting Ltd./Stantec Experts-conseils ltée | Canada
Stantec Consulting Michigan Inc. | Michigan, United States
Stantec Consulting Services Inc. | New York, United States
Stantec Delaware V LLC | Delaware, United States
Stantec Delaware VI LLC | Delaware, United States
Stantec Global Capital Limited | United Kingdom
Stantec Holdings GP ULC | Canada
Stantec Holdings LP | Canada
Stantec Holdings ULC | Canada
Stantec International Consulting, Inc. | Delaware, United States
Stantec New Zealand | New Zealand
Stantec Technology International Inc. | Delaware, United States
Stantec US Insurance Group, Inc. | Arizona, United States
Stantec UK Limited | United Kingdom
Schedule of Structured Entities | The following lists the most significant structured entities that are consolidated in the Company’s financial statements.
Name | Jurisdiction of Incorporation
Stantec Architecture Inc. | North Carolina, United States
Stantec Architecture Ltd. | Canada
Stantec Geomatics Ltd. | Canada
Stantec International Inc. | Pennsylvania, United States
Schedule of Joint Operations | The Company also conducted its business through the following significant joint operations.
Name | Ownership Interests | Jurisdiction
Starr ll, a Joint Venture | 37.5% | United States
WSM Pacific SIOP, a Joint Venture | 32% | United States
Better Together, a Joint Venture | 10% | Australia
Schedule of Transactions with Joint Ventures | The following table provides the total dollar amount for transactions that have been entered into with related parties.
| For the year ended December 31, 2024 | For the year ended December 31, 2023
| Sales to Related Parties $ | Distributions Paid $ | Amounts Owed by Related Parties $ | Sales to Related Parties $ | Distributions Paid $ | Amounts Owed by Related Parties $
Joint ventures | 143.0 |  | 0.9 |  | 24.5 |  | 96.3 |  | 0.8 |  | 16.7 |
Schedule of Compensation of Key Management Personnel and Directors of the Company |
| For the year ended December 31,
| 2024 | 2023
| $ | $
Salaries and other short-term employment benefits | 18.0 |  | 15.5 |
Directors’ fees | 1.2 |  | 0.7 |
Share-based compensation | 20.1 |  | 36.8 |
Total compensation | 39.3 |  | 53.0 |

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