This report provides a comprehensive sustainability assessment of Finnegan Constructions, a fictional construction company. It analyzes the company's performance across economic, environmental, and social dimensions, adhering to the GRI (Global Reporting Initiative) Sustainability Reporting Standards. The assessment examines the financial implications of climate change, incidents of corruption, and legal actions related to anti-competitive behavior, addressing economic sustainability. Environmental sustainability is evaluated through energy consumption, impact on biodiversity, and non-compliance with environmental regulations. Finally, social sustainability is considered by examining employee attrition, workplace harassment, and discrimination issues. The report offers recommendations for improvement in each area, aiming to enhance the company's overall sustainability performance and stakeholder relations. It highlights the importance of transparency, ethical practices, and environmental responsibility for long-term success.