Sustainability Report

Overview

The report describes Sisk's refreshed 2030 Sustainability Roadmap following a double materiality assessment. In 2025, the company achieved a 24% reduction in absolute Scope 1 and Scope 2 GHG emissions, received CDP's A rating for the second consecutive year, diverted 98.6% of construction and demolition waste from landfill, and planted 220,000 native trees.

Document

Report type: Sustainability Report
Class: Dedicated
Scope: Full report
Fiscal year: 2025
Period: 1 January 2025 – 31 December 2025
Language: English
Pages
File size

Standards

GRI
SASB
TCFD
ISSB
ESRS
Integrated Reporting Framework
GHG Protocol
EU Taxonomy
CDP

Commitments

UN Global Compact
UN Guiding Principles
Science Based Targets initiative

Ratings

CDP score

Materiality

Assessment
Basis

Assurance

Provider
Standard
Scope
Statement included
Metrics assured

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