What is ESG?

4 min readLast updated 6 August 2026

Direct answer

ESG stands for Environmental, Social and Governance: the three pillars used to assess an organisation's sustainability and responsibility. Environmental covers the environment and climate, Social covers people, staff and the supply chain, and Governance covers sound and honest management. Investors, banks and regulators use these pillars to weigh how a company handles these non-financial themes.

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ESG and energy data reporting for businesses for What is ESG

What is ESG: scattered information versus Energy Intelligence

The term ESG emerged in 2004 through the report Who Cares Wins, an initiative of financial institutions at the invitation of the United Nations. Since then it has grown into the standard language investors, banks and clients use to judge a company's sustainability. For an entrepreneur or finance lead it becomes relevant the moment a bank ties financing to sustainability criteria, or a large customer asks how you score on environment, people and governance.

  • The E stands for the environment and climate, the S for social themes such as working conditions and the supply chain, and the G for the quality and integrity of the management.
  • ESG is not optional: European legislation requires large and listed companies to report on these themes, and banks and investors increasingly ask about them.
  • ESG data is largely non-financial and hard to measure; without clear evidence the accusation of greenwashing is never far away.

Insight

Traditional approach

Information is scattered across portals, documents, invoices or separate spreadsheets.

Modern approach

Data, context and interpretation are brought together into a clear decision picture.

Decision-making

Traditional approach

Choices are made based on averages, assumptions or occasional analyses.

Modern approach

Scenarios, KPIs and current measurement data make the trade-off more concrete and repeatable.

Follow-up

Traditional approach

Actions often stay non-committal or disappear into separate reports.

Modern approach

Follow-up actions, monitoring and reporting are linked to the same energy data.

What do the three letters stand for?

ESG bundles three kinds of non-financial themes into an assessment framework. The E of Environmental covers the impact on the environment and climate: emissions, energy use, raw materials, waste and effects on nature. The S of Social covers how people are treated: working conditions, safety, diversity, human rights and how your supply chain handles these matters. The G of Governance covers the quality of management: how decisions are made, how interests are weighed, and whether there are safeguards against corruption and conflicts of interest. Together the three pillars show how responsibly an organisation operates, separate from the profit and loss account.

  • Environmental: the environment and climate, such as emissions, energy, materials and waste.
  • Social: people and the chain, such as working conditions, safety and human rights.
  • Governance: sound management, such as decision-making, transparency and anti-corruption.
  • The pillars measure non-financial performance, alongside the classic financial figures.

Why does ESG matter for your business?

ESG reaches your organisation through three channels. First, legislation: the European Corporate Sustainability Reporting Directive requires large and listed companies to report on their social and environmental impact and the risks they face. The concrete rules are set out in European standards, the ESRS, which EFRAG drafts as technical adviser to the European Commission. Second, the market: banks, investors and large customers increasingly ask about your ESG performance before they finance, invest or sign a contract. Third, risk and reputation: an abuse in the supply chain or a governance failure can directly damage your name and position. Even if you are not required to report yourself, you may still face ESG demands through a large customer or financier.

  • Legislation such as the CSRD requires large and listed companies to report.
  • The European ESRS standards, drafted by EFRAG, define what and how you report.
  • Banks, investors and large clients ask ESG questions as a precondition.
  • A failure on environment, chain or governance hits reputation and access to capital.

What does a company actually do with ESG?

ESG work begins with choosing what truly matters for your organisation. You map which environmental, social and governance themes are most relevant given your activities and your chain. On that basis you set policy and targets and assign responsibility within the management. Then you start measuring: consumption, emissions, incidents, workforce composition, agreements with suppliers. You record and report that data, increasingly according to a fixed standard such as the ESRS. The biggest practical hurdle is the data itself: much ESG information is non-financial, scattered across departments and chain partners, and cannot be expressed in euros. Reliable measurement and evidence is therefore the real work, more so than the writing.

  • Decide which environmental, social and governance themes are material for you.
  • Set policy and targets and assign responsibility within the management.
  • Measure and gather data from your own organisation and from the chain.
  • Report with evidence, increasingly according to a fixed standard such as the ESRS.

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