ESG Disclosure & SET One Report Advisory

ESG Disclosure & SET One Report (บริษัทจดทะเบียน) · § Advisory
What to know before you act
Listed companies must disclose environmental, social and governance data in the Form 56-1 One Report under SEC rules, and foreign buyers increasingly ask Thai suppliers for the same. The legal risk is overstated claims (greenwashing). We check every claim is evidenced, draft human-rights and anti-corruption policies and align disclosures with PDPA and labour law.
Timing and external dependencies: Start several months before the annual report deadline.
Official fee: No direct government fee for preparation — check current SEC criteria.
Timing is not a promise of an outcome or hearing date. Check the notice, limitation period and current authority rules for your matter.
What to send for the first review
Send every relevant page, a dated sequence of events, any hearing or filing deadline, and the outcome you need. This lets counsel identify urgent steps, missing evidence and a precise scope of work.
- 3-yr financials + notes · stakeholder mapping
- Employee data (turnover, LTIFR, training hours, diversity ratio)
- 24-mo energy bills + fuel logs (Scope 1 · 2)
Legal Basis
Capital Market Supervisory Board Notification TorJor. 44/2556 (One Report) mandatory since 2022 · SET Sustainability Reporting Guide 2023 · GRI Standards 2021 · TCFD · IFRS S1/S2 (ISSB) mandatory for SET50 from 2025 · SEC ESG scoring · SET THSI index.
📚 Official sources — check the current law and procedure before acting
- องค์การบริหารจัดการก๊าซเรือนกระจก (อบก.)— Thailand Greenhouse Gas Management Organization
- สำนักงานคณะกรรมการกฤษฎีกา — ตัวบทกฎหมายฉบับทางการ— Office of the Council of State
Who Needs This
SET/mai listed companies · companies pre-IPO 12–24 mo · SMEs whose MNC customers mandate ESG (Scope 3) · green/sustainability-linked bond issuers.
Required Documents
- 3-yr financials + notes · stakeholder mapping
- Employee data (turnover, LTIFR, training hours, diversity ratio)
- 24-mo energy bills + fuel logs (Scope 1 · 2)
- Supplier data & travel records (Scope 3 categories 1–15)
- Board diversity, anti-corruption, human rights policies
- Materiality survey (internal + external stakeholders ≥ 100 respondents).
Common Pitfalls
- Net Zero targets without a plan or baseline data
- Copying policies that do not match actual practice
- Disclosing individual employee data in breach of PDPA
Typical Use-cases
- First-year mai One Report · full package a quote on request
- SET100 upgrade limited→reasonable assurance for green bond investors
- SME supplier of Unilever/Apple requiring CDP disclosure + SBTi 1.5°C target
- 2027 IPO · early ESG maturity assessment + gap analysis.
FAQ
- Must unlisted companies report?
- Not under SEC rules, but buyers and banks may require it.
- Is greenwashing illegal?
- False disclosures or advertising may breach securities and consumer protection laws.
- Can you prepare an English version?
- Yes, our certified translators keep both versions consistent.
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Official sources — legal services
The information on this page follows the official sources below. Always check the latest version before you file.
- Office of the Judiciary— Office of the Judiciary
- Ministry of Justice— Ministry of Justice
- Lawyers Council of Thailand — Notarial Services Attorneys— Lawyers Council of Thailand
- Office of the Council of State — Thai law database— Office of the Council of State
- Royal Thai Government Gazette— Royal Thai Government Gazette
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Frequently asked questions
- Can a foreigner own 100% of a Thai company?
- Generally no for activities listed in the Foreign Business Act, where majority foreign ownership requires a Foreign Business Licence, a BOI promotion, or treaty rights such as the US–Thailand Treaty of Amity. Manufacturing and certain export activities are largely open, and BOI-promoted activities can permit full foreign ownership together with land-holding and visa privileges, so the right structure depends on the specific activity.
- What is the minimum registered capital for a Thai company?
- There is no general statutory minimum for a Thai-majority company, but practical thresholds apply: a fee quoted after review million of paid-up registered capital per foreign work permit, or a fee quoted after review million if the foreigner is married to a Thai national, and a fee quoted after review million per foreign shareholder for a Foreign Business Licence. Capital should therefore be planned around the visa and work-permit outcome you need, not the incorporation minimum.
- How long does company registration take?
- Registration at the Department of Business Development can be completed within one to three working days once the name reservation, shareholder documents and company objectives are ready, and the VAT registration and social security registration follow afterwards. The realistic end-to-end timeline including bank account opening is two to six weeks, with the bank account usually being the slowest step for foreign directors.
- What ongoing accounting obligations does a Thai company have?
- Every Thai company must keep statutory accounts, file monthly withholding tax (PND 1, 3, 53) and VAT (PP 30) returns by the middle of the following month, file the half-year corporate income tax return (PND 51) and the annual return (PND 50), and have its financial statements audited by a Thai CPA and filed with the DBD each year. Dormant companies are not exempt — nil returns and an audited statement are still required.






