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Global 100 most sustainable corporations (G100)

The Corporate Knights Global 100, commonly known as the Global 100 or G100, is an annual ranking launched by the Canadian media and investment research firm Corporate Knights.

Origin and overview

The Corporate Knights Global 100, commonly known as the Global 100 or G100, is an annual ranking launched by the Canadian media and investment research firm Corporate Knights. The ranking was first announced in 2005 at the World Economic Forum in Davos, Switzerland.

Corporate Knights positions itself as an advocate of “clean capitalism.” The Global 100 is widely recognized as one of the most authoritative and transparent corporate sustainability rankings in the world. Its objective is to identify companies that demonstrate outstanding performance in environmental, social, and governance (ESG) practices.

Unlike many rankings that rely primarily on voluntary corporate disclosures, the Global 100 applies a quantitative approach. It evaluates publicly listed companies worldwide with a market capitalization exceeding USD 1 billion through a rigorous screening process.

G100 evaluation framework

The Global 100 differs from most mainstream ESG rankings such as the Dow Jones Sustainability Index (DJSI), CDP, MSCI, and Sustainalytics in how results are presented. Instead of ranking companies within individual industries, the Global 100 publishes a single list of the world’s 100 most sustainable corporations. After companies are evaluated within their respective industries, they must compete across sectors to secure a place on the final global list.

Given this highly competitive structure, Corporate Knights evaluates around 6,000 to 7,000 publicly listed companies worldwide each year. Only 100 companies ultimately make the final ranking, representing the top performers in global corporate sustainability.

The financial market has also introduced investment products tracking the Global 100. The Mackenzie Corporate Knights Global 100 Index Fund was launched in 2023 by Mackenzie Investments. The fund allows investors to gain exposure to companies included in the ranking, transforming the Global 100 from a corporate recognition list into an investable sustainability benchmark.

Price trend of Mackenzie Corporate Knights Global 100 Index Fund

G100 indicators and scoring methodology

According to the latest framework released by Corporate Knights, the Global 100 selection process consists of four key stages. The following description refers to the 2026 evaluation cycle.

Stage 1. Defining the starting universe

This stage establishes the initial eligibility threshold to ensure that companies included in the evaluation meet minimum standards of economic scale and transparency.

Scope: All publicly listed companies worldwide.
Revenue threshold: Companies must report annual revenue exceeding USD 1 billion during the evaluation cycle.
Reporting period: The reporting year is defined based on the company’s fiscal year end. For example, Reporting Year 2024 refers to companies with fiscal year end dates between July 1, 2024 and June 30, 2025.

Stage 2. Screening

At this stage, companies must pass basic ethical and conduct related checks. Firms may be excluded if they violate certain criteria:

Product category screening: Companies involved in controversial industries such as tobacco, controversial weapons, or large-scale coal extraction are excluded.
Misconduct screening: Companies are evaluated for significant legal violations or sanctions records.

Stage 3. Scoring and selection

Companies that pass the screening stage undergo quantitative evaluation using the following scoring formula:

Final score = three KPI scores + sustainability compensation bonus (max 5%) − regulatory penalty deduction (max 5%) − fatal workplace fatality deduction (max 5%)

Key performance indicators: These indicators form the core of the evaluation. Companies are scored based on three KPIs, namely sustainable revenue, sustainable investment, and sustainable revenue growth momentum. Each indicator accounts for one third of the total KPI weighting. This structure captures both a company’s current sustainability performance and its future trajectory.
Additional adjustments: The framework includes one bonus indicator and two deduction indicators, each with a maximum adjustment of 5%.
Stage 4. Final ranking (The Global 100)

Finally, Corporate Knights determines the Global 100 list while maintaining balanced industry representation.

Peer comparison: Companies compete within their respective peer groups, and top scoring firms from each group advance to the final ranking.
Industry allocation: Each industry is assigned a fixed number of positions within the final Global 100 list to ensure sector representation.

Core value of G100

Corporate Knights bases its evaluation methodology on seven core principles: relevance, transparency, objectivity, public data, comparability, interactive engagement, and stakeholder participation.

Unlike many awards that rely on questionnaires or subjective judgment, the Global 100 emphasizes quantitative analysis based on publicly available data. The methodology is fully transparent, allowing companies to review detailed scoring results. This transparency encourages companies to improve their disclosure practices to achieve stronger rankings.

Taiwanese companies and their impact

Taiwan plays a critical role in global supply chains, and several Taiwanese companies have appeared in the Global 100 over the years, highlighting the country’s competitiveness in ESG performance. Representative examples include:

Giant: The company promotes low carbon mobility through bicycles and performs strongly in the sustainable revenue indicator.
Taiwan High Speed Rail Corporation: With its low carbon mass transportation system and continued investment in energy efficient trains, the company performs well in both sustainable revenue and sustainable investment indicators. It has been included in the Global 100 four times.
Taiwan Semiconductor Manufacturing Company: TSMC has consistently ranked among the Global 100 due to its strong performance in energy management, water resource management, and responsible supply chain practices.

Being included in the Global 100 not only places companies within the investment universe of ESG related indices and attracts international capital, but the list is also announced annually at the World Economic Forum. The Global 100 designation has therefore become a powerful tool for corporate branding and employer reputation.

Conclusion

The Corporate Knights Global 100 is not only a corporate ranking but also a signal of the direction of global corporate transformation. With the introduction of the sustainable revenue growth momentum indicator in the 2026 methodology, the ranking sends a clear message: companies must develop business models that effectively address climate and resource challenges. Beyond that foundation, the pace of transformation is becoming increasingly critical.