The companies called ESG leaders are doing four quite different things — transforming a high-emitting business, building sustainability into the product, writing purpose into ownership, or scoring well on one pillar while being contested on another. This guide separates them, draws out what actually transfers to your company, and explains how to read the ratings without being misled.
Four sections, from classification to caveats
Four ways companies end up called “ESG leaders”
The label covers very different things. Separating them is what makes the examples usable.
The fourth category matters most for planning. A company can deliver a genuinely low-carbon product and still score badly, because most ratings weigh governance, labour and controversy management alongside emissions — and score relative to sector peers rather than in absolute terms.
What the leaders actually have in common
Not ambition. Three unglamorous things show up in every case.
- They decided what to stop doing. The transformed companies are defined by divestment as much as investment. A strategy that only adds new initiatives rarely moves the emissions curve.
- Their target sits inside capital allocation. Where a climate target changes which projects get funded, progress follows. Where it lives in the sustainability report, it does not.
- They disclose the uncomfortable parts. Acknowledged gaps with a plan read as control; silence reads as risk. Rating methodologies are largely built around risk management, which is why this is rewarded rather than punished.
What does not transfer: specific targets and technologies. A utility’s route to 2030 tells a component maker almost nothing. What transfers is the reasoning — how the company decided which issues were material to its business, and what it gave up as a result.
The Japanese cases, and why they score well
Japanese companies are underrepresented in global ESG coverage but well represented in top scores. The reason is mostly disclosure discipline.
Companies such as Kao and Kirin have held top CDP scores for years, and Fujifilm is a rare example of a company that changed its core business and used that transition as the spine of its sustainability story. The pattern across them:
- Long-horizon environmental targets published well before they were required, then reported against consistently — which is what builds a trend line raters can read.
- A specific, physical issue owned deeply rather than a broad ESG agenda held shallowly. Water for a beverage company; product and packaging for a household-goods company.
- Detailed questionnaire responses. A large part of CDP scoring rewards completeness and evidence, and Japanese disclosure teams tend to be thorough.
Toyota is the instructive counterexample: a strong record on hybrid efficiency combined with a contested position on the pace of the shift to battery electric vehicles. It shows that a defensible engineering argument and a good ESG score are not the same thing.
Reading the scores without being misled
Before drawing conclusions from any ranking, three properties of ESG ratings need to be understood.
They are mostly sector-relative. An oil company can hold a high ESG rating for managing its risks better than other oil companies. The rating is not a statement about absolute environmental impact.
They disagree with each other. The same company routinely receives materially different scores from different providers, because the providers weight and define issues differently. This is why research on whether high ESG scores predict returns remains unsettled.
Two mechanisms, different failure modes. Public-information ratings (MSCI, FTSE Russell, Sustainalytics) score you without your participation, so undisclosed work earns nothing. Questionnaire-based assessments (CDP, EcoVadis) require a submission, so silence produces no score at all.
The practical consequence: use rankings to find cases worth studying, not as a verdict on which companies are good.
What people ask when benchmarking against leaders
Which company is the best ESG performer?
The question does not have a defensible answer. Ratings are mostly sector-relative and the major providers disagree about the same companies. A more useful question is which company faced a problem structurally similar to yours, and what it decided to stop doing.
Why is Tesla excluded from some ESG indices?
Because most ESG ratings assess how a company manages environmental, social and governance risks — not only whether its product reduces emissions. Governance and labour-related assessments can outweigh a low-carbon product, and index providers apply their own screens on top. It is the clearest illustration that “green product” and “high ESG score” measure different things.
Are Japanese companies behind on ESG?
Not on disclosure quality. Several hold top CDP scores and have published long-horizon environmental targets for years. Where Japanese companies are more often criticised is the pace of structural change in high-emitting sectors, and English-language communication with overseas investors.
What should we actually copy from a leader?
The materiality reasoning and the governance link — how they decided which issues mattered to their business, and how the target reaches capital allocation. Copying targets or technologies from a company with a different cost structure tends not to survive the first budget cycle.