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The concepts ofESG (Environmental, Social, and Governance) and CSR (Corporate Social Responsibility) are closely linked and complementary, but they differ in their origin, purpose, and target audience.
ESG and CSR: definitions, objectives, and targets
ESG
ESG criteria originated in the financial world (socially responsible investment) to help investors integrate sustainability factors into their decision-making.
The ultimate goal is to evaluate a company's non-financial performance , just as one would evaluate financial performance metrics (revenue, EBITDA, etc.).
ESG criteria are primarily used by investors to assess long-term risks and performance: a good ESG rating facilitatesaccess to capital (reduced rates for green bonds, access to sustainable investment funds, etc.).
They can also address organizational governance issues by ensuring diversity, structure, or the independence of the board of directors.
CSR
A CSR approach is a commitment by the company to integrate social, environmental, ethical, and governance issues into its operations and strategy.
It is based on the ISO 26000 standard and rests on 7 pillars: governance, human rights, labor relations, environment, fair operating practices, consumer issues, and local development.
Thus, first and foremost, it involves understanding the global ecosystem in which the company operates, identifying its key stakeholders and their expectations, mapping its value chain , and analyzing its socio-economic and natural environment.
CSR is an approach - primarily voluntary - rooted in business management to strengthen their role in society. A CSR strategy plays a pivotal role in anticipating and guiding corporate strategy toward a more sustainable business model that is resilient to climate change, regulatory shifts, and social and societal developments.
Beyond anticipating and mitigating risks and negative impacts, a robust CSR policy helps improve your employer brand, engage employees, foster healthy labor relations, and attract customers, to differentiate itself and improve its competitiveness, to access sustainable financing …
Complementarities and differences between CSR and ESG
CSR commitments and ESG criteria cover the same themes : climate, biodiversity, social responsibility, equality, working conditions, ethics, governance… These two concepts therefore remain highly interdependent.
Two logics, two timeframes, one common foundation
The CSR provides the strategic foundation upon which ESG reporting is built. It is a strategic approach driven by the company, based on a deep understanding of its ecosystem (stakeholders, value chain, impacts, etc.). It helps structure a long-term vision aligned with the principles of sustainable development. It constitutes a holistic approach, integrated into governance and operations.
TheESG translates CSR into measurable indicators, comparable and actionable by stakeholders and third parties, often via ESG software solutions. It aims to provide a standardized account of a company's non-financial performance. It is therefore part of an evaluation framework, often more short-term oriented, focused on risk management and market transparency.
In short, CSR is the strategic approach, while ESG is the measurement tool.
Thus, the quality of ESG reporting depends on the maturity of the CSR strategy. Conversely, rigorous ESG requirements can encourage a company to structure or strengthen its CSR initiatives.
Differences in governance and levers for action
Targets and stakeholders
CSR is primarily an internal lever (management, HR, procurement, production, etc.) used to drive a company's overall transformation, whereas ESG criteria are mainly aimed at third parties (financiers, analysts, rating agencies, B2B clients, etc.).
Reference frameworks
CSR is based on best practice standards (e.g., ISO 26000), which are often voluntary. ESG, on the other hand, responds to increasingly regulated transparency requirements (CSRD, SFDR, Green Taxonomy, etc.).
Implementation methods
CSR mobilizes policies, concrete actions, and engagement plans (decarbonization, responsible procurement, inclusion, etc.). ESG translates these dynamics into quantitative and qualitative indicators within more standardized reports intended for sector-wide comparison.
Evolution of regulatory frameworks and stakeholder requirements:
Non-financial performance and CSR are increasingly governed by standards, framework directives (e.g., CSRD, SFDR, EU Green Taxonomy, etc.) and external assessments.
ESG reporting is becoming standardized, focused on investor expectations and often complies with European regulatory or normative frameworks (SFDR, TCFD, EU Green Taxonomy). It focuses on measuring non-financial performance primarily through key performance indicators (e.g., carbon intensity, share of green revenue, staff turnover rate, % of independent board members, etc.).
CSR reporting, initially voluntary, is gradually becoming mandatory (e.g., the Non-Financial Performance Statement in France— DPEF, now replaced by the CSRD for large companies in Europe, and the VSME as a voluntary reporting framework for SMEs and micro-businesses).
It incorporates quantitative ESG indicators, as well as descriptions of the company's risks, opportunities, and impacts on civil society and the environment, along with concrete CSR commitments, policies, and actions (e.g., decarbonization plans, diversity and inclusion programs, environmental criteria, waste management, etc.) in response. These indicators help companies actively commit to their social responsibility and encourage them to integrate the concept of responsible investment.
ESG rating agencies (such as MSCI ESG Ratings, widely used by institutional investors, or EcoVadis, which focuses on CSR assessment for supply chains) are increasingly playing a crucial role in evaluating the CSR and ESG performance of companies. They do not impose regulatory obligations on companies, but they are becoming key intermediaries between companies and investors, regulators, financial markets and clients or suppliers.
Focus on CSRD and VSME
The CSRD (Corporate Sustainability Reporting Directive) and VSME (Voluntary Sustainability reporting standard for SMEs) regulations are part of a major regulatory and societal shift toward greater transparency, higher quality non-financial reporting, and sustainability.
Whether on a voluntary basis for the VSME, or mandatory with an independent third-party audit for the CSRD , these two directives aim to harmonize and strengthen sustainability reporting while helping stakeholders (investors, clients, employees, etc.) evaluate companies' CSR performance and ESG risks.
Companies must report on
- ESG data (environmental : greenhouse gas emissions, energy, biodiversity, pollution... ; social : working conditions, diversity, inclusion, human rights... ; governance : business ethics, anti-corruption, composition of governing bodies...)
- as well as the operational management of positive and negative impacts, significant risks and opportunities (see article on the principle of Double Materiality and IROs) for the company through the structuring of governance bodies, policies, commitments, objectives, and CSR action plans.
In this context, having a strong CSR strategy and robust ESG indicators is becoming not just an asset, but a necessity.
Conclusion:
ESG and CSR are complementary. Driving a CSR strategy requires non-financial performance indicators. A company with a solid CSR strategy generally achieves high ESG scores; conversely, comprehensive ESG reporting often reflects a well-structured CSR approach and sustainable management of the business.