LEARNING HUB · 8 min read
Three pillars. One framework. The language of modern business accountability — increasingly, the language regulators, investors, and lenders expect Sri Lankan companies to speak fluently.
By the ESGNexus Editorial Team · July 2026 · Estimated reading time: 8 minutes
| IN A NUTSHELLESG stands for Environmental, Social, and Governance — three categories of non-financial factors used to judge how well a company manages the risks and opportunities that don’t appear directly on a balance sheet but materially affect its long-term value. The term was coined in 2004 by the UN Global Compact. Two decades on, it has moved from a niche investment-screening idea to a mandatory reporting requirement: Sri Lanka’s top 100 CSE-listed companies have been required to disclose against ESG-aligned standards since FY2025, with all Main Board companies following in FY2026. This guide explains what each pillar covers, where the major global frameworks fit, and why the term specifically matters for a business operating in Sri Lanka today. |
Environmental, Social, and Governance — ESG — refers to a set of non-financial factors that investors, regulators, and increasingly customers use to assess whether a company is being run responsibly and sustainably over the long term. It entered the corporate vocabulary less than two decades ago and, in Sri Lanka in 2026, now sits at the centre of mandatory financial reporting law. Understanding what the three letters actually mean is a practical requirement for finance teams, boards, and sustainability officers — not a theoretical exercise.
Where the Term Comes From
The letters E, S, and G were first grouped together in a 2004 report titled “Who Cares Wins: Connecting Financial Markets to a Changing World.” UN Secretary-General Kofi Annan invited the CEOs of 55 major financial institutions to develop guidance on integrating environmental, social, and governance issues into asset management and securities analysis. Twenty of those institutions, collectively representing more than USD 6 trillion in assets under management at the time, endorsed the resulting recommendations.
Source: Who Cares Wins, UN Global Compact, 2004 — documents1.worldbank.org; The Corporate Governance Institute, ‘A Brief History of ESG,’ 2025 — thecorporategovernanceinstitute.com
Before 2004, the underlying idea went by different names — “socially responsible investing” (SRI), which traces back to religious investment exclusions in the 18th century, and the “triple bottom line” (people, planet, profit), proposed by John Elkington in his 1998 book Cannibals with Forks. What Who Cares Wins did differently was to frame environmental, social, and governance factors as financially material — meaning they affect a company’s value, not just its reputation. That reframing enabled ESG to move from the margins of ethical investing into mainstream financial analysis.
Source: IBM, ‘The History of Environmental Social and Governance (ESG)’ — ibm.com
The Three Pillars, Defined
Environmental covers a company’s impact on and exposure to the natural world: greenhouse gas emissions (Scope 1, 2, and 3), energy use and renewable energy adoption, water withdrawal and management, waste and circular economy practices, biodiversity impact, and exposure to physical climate risk — including flooding, drought, and coastal erosion.
Social concerns how a company manages relationships with people: employees (health and safety, training, diversity), the communities in which it operates (community investment, human rights), and its value chain (labour standards in the supply chain, customer data protection, product safety).
Governance covers how a company is run: board composition and independence, executive remuneration, audit and risk oversight, anti-corruption and anti-bribery policies, shareholder rights, and business ethics.
The three pillars are not independent silos. A governance failure — a board with no defined climate oversight, for instance — is frequently what allows an environmental or social risk to go unmanaged in the first place.
Key Terms You’ll See Everywhere
- GRI (Global Reporting Initiative): the oldest and most widely used sustainability reporting framework, founded in Boston in 1997 in the aftermath of the Exxon Valdez oil spill. GRI standards are stakeholder-facing — designed to show a company’s impact on the world, not only its financial exposure.
- SASB (Sustainability Accounting Standards Board): founded in 2011, SASB standards are industry-specific and investor-facing — narrower than GRI, focused only on sustainability issues that affect enterprise value. SASB was consolidated into the ISSB in 2022.
- TCFD (Task Force on Climate-related Financial Disclosures): established in 2015 specifically to standardise climate risk disclosure across governance, strategy, risk management, and metrics/targets. TCFD’s four-pillar structure is the direct basis for Sri Lanka’s SLFRS S2.
- ISSB (International Sustainability Standards Board): formed by the IFRS Foundation in November 2021, consolidating SASB and the Climate Disclosure Standards Board. The ISSB published the first global sustainability disclosure baseline — IFRS S1 and IFRS S2 — in June 2023. Sri Lanka’s SLFRS S1 and S2 are the localised versions of these standards.
- UN SDGs (Sustainable Development Goals): 17 goals and 169 targets adopted by 193 UN member states on 25 September 2015, covering everything from poverty and health to climate action and institutional accountability. Most Sri Lankan CSR reports tag their initiatives against specific SDGs.
Source: GRI, ‘Mission & History’ — globalreporting.org; Wikipedia, ‘Sustainability Accounting Standards Board’; IBM, ‘The History of ESG’; United Nations, ‘Transforming Our World: The 2030 Agenda for Sustainable Development,’ 2015 — un.org
ESG Is Not the Same as CSR
The two terms are used interchangeably in Sri Lanka, and that is a category error worth naming. CSR (Corporate Social Responsibility) traditionally describes voluntary, often philanthropic activity — a company funding a school, planting mangroves, or running a health camp. ESG is a measurement and disclosure framework — a structured way of assessing and reporting a company’s material risks and impacts, increasingly required by regulators and demanded by investors, not chosen at the company’s discretion. A company can have a strong CSR programme and weak ESG disclosure, or vice versa. We cover this distinction — and where “sustainability” fits as a third, broader term — in a dedicated guide (see Related Reading, below).
Why It Matters for Sri Lanka, Specifically
For much of its history, ESG was a voluntary, investor-driven concept in Sri Lanka — pursued by a handful of large conglomerates to access foreign capital, not because the law required it. That changed with the introduction of SLFRS S1 and S2, Sri Lanka’s localised versions of the ISSB standards. The Institute of Chartered Accountants of Sri Lanka (CA Sri Lanka) set a phased mandatory timeline: the CSE’s top 100 companies by market capitalisation were required to comply from FY2025; every CSE Main Board company must comply by FY2026. As of 30 April 2026, the Colombo Stock Exchange lists 289 companies — meaning close to a third are already in their first year of mandatory ESG-aligned disclosure, with the remainder one financial year behind.
Source: Colombo Stock Exchange, ‘Trading Status,’ April 2026 — cse.lk; ESGNexus, ‘Sri Lanka’s Mandatory Sustainability Reporting Is Here,’ June 2026
The CSE has been positioning itself for this for over a decade. It committed to joining the UN Sustainable Stock Exchanges Initiative as a Partner Exchange in September 2015 — alongside the exchanges of Kazakhstan, Mauritius, and Rwanda, at the launch of the UN’s Sustainable Development Goals — and has since published guidance to help listed companies address ESG factors in capital markets communications. It has signalled that it will introduce a formal ESG index once reporting quality across the market reaches the required threshold.
Source: UN Sustainable Stock Exchanges Initiative, ‘Stock Exchanges Welcome New UN Sustainable Development Goals,’ September 2015 — sseinitiative.org; ESGNexus, ‘How ESG Scores Are Beginning to Move Share Prices on the CSE,’ June 2026
In practice, this means that ESG in Sri Lanka in 2026 sits at the intersection of three pressures that were once independent: a legal compliance requirement (SLFRS S1/S2, enforced by CA Sri Lanka), a capital markets requirement (CSE listing standards and the forthcoming ESG index), and an investor requirement (international funds applying ESG screens to frontier-market allocations). A company that still treats ESG as a CSR-adjacent communications exercise is underestimating what is now legally and commercially at stake.
Related Reading on ESGNexus
- Sri Lanka’s Mandatory Sustainability Reporting Is Here — What Every Listed Company Must Know
- How ESG Scores Are Beginning to Move Share Prices on the CSE
- SLFRS S1 vs SLFRS S2: A Plain-English Guide for Sri Lankan Finance Teams (forthcoming)
- ESG vs CSR vs Sustainability: What’s the Difference? (forthcoming)
Sources & Further Reading
Who Cares Wins: Connecting Financial Markets to a Changing World, UN Global Compact, 2004 — documents1.worldbank.org
The Corporate Governance Institute — ‘A Brief History of ESG: From Pioneer to Mainstream,’ 2025 — thecorporategovernanceinstitute.com
IBM — ‘The History of Environmental Social and Governance (ESG)’ — ibm.com
GRI — ‘Mission & History’ — globalreporting.org
Wikipedia — ‘Sustainability Accounting Standards Board’
United Nations — ‘Transforming Our World: The 2030 Agenda for Sustainable Development,’ 2015 — un.org
Colombo Stock Exchange — ‘Trading Status,’ April 2026 — cse.lk
UN Sustainable Stock Exchanges Initiative — ‘Stock Exchanges Welcome New UN Sustainable Development Goals,’ September 2015 — sseinitiative.org
ESGNexus — ‘Sri Lanka’s Mandatory Sustainability Reporting Is Here,’ June 2026 — esgnexus.lk
ESGNexus — ‘How ESG Scores Are Beginning to Move Share Prices on the CSE,’ June 2026 — esgnexus.lk
| About ESGNexusESGNexus is Sri Lanka’s independent platform for ESG, CSR, and sustainability intelligence. We track company-level ESG performance, regulatory developments, and sustainability data across Sri Lanka’s listed companies, large unlisted corporates, and state-owned enterprises. All editorial content is independently produced. Sponsored content is clearly labelled.
Data disclaimer: Information in this article is sourced from publicly available documents. ESGNexus does not independently verify company disclosures. Errors and omissions excepted. |