Thai translation for the documents SET-listed companies file.
Annual reports. 56-1 One Reports. Sustainability reports. SET disclosures. FTSE Russell ESG indicators. Legal contracts. The Thai ⇌ English bilingual disclosure work that capital markets in Thailand actually run on — produced in lockstep, calibrated to FTSE Russell methodology v1.1, ISO 17100 certified TEP workflow.
Thai investors read Thai. FTSE analysts read English.
Capital-markets disclosure for Thai listed companies is not “translate the Thai version into English.” It is producing both versions in parallel, against the same FTSE Russell methodology, with both versions reviewed against each other indicator by indicator before publication.
Thai version
ฉบับภาษาอังกฤษ
Both versions must score the same FTSE indicator.
FTSE Russell scores companies on what their bilingual disclosure says — not on intent, not on what was meant. Both versions above commit to the same target, with the same scope, against the same baseline, validated under the same standard. A weak Thai version that says only “the company aims to reduce emissions” — even if the English version is precise — fails the bilingual lockstep test and risks scoring inconsistently across cycles. This is why Othello produces both languages in parallel, against the same FTSE Russell methodology v1.1 framework, and reviews them against each other before publication.
Every document a Thai listed company files.
Thai capital markets run on a defined set of bilingual disclosure documents. Each document has its own SET regulations, its own FTSE Russell scoring relevance, and its own deadline cycle. Below: the seven document types that carry 95% of capital-markets bilingual work.
แบบ 56-1 One Report
The single most important capital-markets disclosure document for SET-listed companies — a consolidated annual report combining financial information, corporate governance, risk factors, sustainability disclosure, and management commentary into one bilingual filing required by the SEC.
FTSE Russell reads it. Institutional investors read it. SEC reviews it. The document determines a significant portion of a company’s FTSE Russell ESG Score and Investability Weight. Thai and English produced in parallel, both versions verified against the same FTSE methodology v1.1 indicator framework.
รายงานประจำปี
Standalone annual report for shareholder distribution and AGM. Thai and English versions produced in lockstep — Chairman’s Statement, MD&A, financial review, and audit report.
รายงานความยั่งยืน
FTSE Russell-aligned sustainability reporting under GRI Standards, IFRS S2 climate-related disclosures, and TCFD recommendations. The single highest-impact ESG scoring document.
Audited Financial Statements
Audited financial statements aligned to Thai Financial Reporting Standards (TFRS) and IFRS, with notes, MD&A, and auditor’s report — Thai and English bilingual filing.
SET Disclosures & Material Events
Real-time bilingual material event disclosures filed through the SET Information Disclosure System (ELCID) — board resolutions, M&A announcements, capital changes, related-party transactions.
Prospectus & Offering Circular
IPO prospectuses and follow-on offering circulars — bilingual filings under SEC regulation, with risk factors, use of proceeds, financial summary, and material disclosures.
SLL & Green Loan Frameworks
Sustainability-Linked Loan and Green Loan framework documents alongside KASIKORNBANK, Krungsri, MUFG, HSBC. KPI calibration, SPT setting, Second-Party Opinion support.
1,000+ Thai ESG terms. Calibrated to FTSE methodology.
The firm operates an internal Thai ESG terminology database calibrated to FTSE Russell ESG Data Model Methodology v1.1. Every senior linguist works against the same vocabulary. Below: a sample showing how disclosure terminology maps from English source to Thai capital-markets register, with the FTSE pillar and theme each term belongs to.
Eight sectors. Subject-matter Thai linguists.
Capital-markets Thai is not generic Thai. Each sector has its own technical vocabulary, regulatory framework, and disclosure conventions. Below: the eight sectors where the firm operates with subject-specific senior Thai linguists.
พลังงานและสาธารณูปโภค
1,500-page active SET50 ESG work. Hydropower, renewables, oil & gas.
บริการทางการเงิน
Banks, asset managers, insurers — 30% of SET-listed companies.
อสังหาริมทรัพย์และกองทุนรวมอสังหาริมทรัพย์ (REITs)
Developers, REITs, hospitality, mixed-use disclosure.
สุขภาพและเภสัชกรรม
Hospital groups, pharma, Thai FDA submissions.
อุตสาหกรรมการผลิต
Petrochemicals, automotive, electronics, EPC.
เทคโนโลยีและโทรคมนาคม
Listed tech, telecoms, software, data infrastructure.
สินค้าอุปโภคบริโภคและค้าปลีก
FMCG, F&B, beverages — ThaiBev SLL, Thai Union SLL.
ด้านรัฐบาลและองค์กรพัฒนาเอกชน
Founding sector. US CDC, UN Women, UK PACT.
Translation. Editing. Proofreading.
Every Thai-English document Othello produces passes through the full ISO 17100 TEP workflow. Three different senior Thai-English linguists handle the document at three review layers. Verifiable audit trail per project.
การแปลภาษา
Senior Thai-English linguist with minimum five years of capital-markets translation experience produces the first version. Linguist signs into the audit trail.
ตรวจแก้
Second senior linguist edits the translation for accuracy, terminology consistency, and FTSE methodology alignment. Cross-references the 1,000+ term Thai ESG database.
ตรวจพิสูจน์อักษร
Third senior linguist proofreads for fluency, formatting, and capital-markets register. Confirms vocabulary matches FTSE Russell methodology v1.1 terminology.
Board-ready
Bilingual lockstep verified across both languages. ISO 17100 audit trail closed. Document released for board approval and SEC/SET filing.
Five years. 1,000+ reports. No headlines.
The deepest single Thai-English bilingual disclosure practice in the Bangkok market — measured in the documents that listed-company analysts, SET regulators, and FTSE Russell scoring teams actually read.
What clients ask about Thai translation work.
คำถามที่ 01 What is “bilingual lockstep” and why does it matter for SET-listed companies?
Bilingual lockstep means producing the Thai and English versions in parallel, against the same FTSE Russell methodology framework, with both versions reviewed against each other indicator by indicator before publication. It matters because FTSE Russell scores companies on what their bilingual disclosure says — not on intent. A weak Thai version that says only “the company aims to reduce emissions,” even if the English version is precise, fails the bilingual lockstep test and risks scoring inconsistently across cycles. Most translation firms produce one language first and translate the other, which introduces drift. Othello produces both in parallel.
คำถามที่ 02 How is your Thai ESG terminology database different from a standard glossary?
The 1,000+ term Thai ESG terminology database is calibrated to FTSE Russell ESG Data Model Methodology v1.1 — the framework that scores Thai listed companies from 2026. Every term is mapped to its FTSE pillar (Environmental, Social, Governance) and theme, with capital-markets register validated against existing SET50 disclosure language. A standard translation glossary has dictionary equivalents. The Othello database has the specific Thai terminology that actually scores in FTSE Russell methodology. The difference matters when an analyst is reading 868 Thai listed companies and looking for indicator-level consistency.
คำถามที่ 03 Do you handle the SEC’s 56-1 One Report bilingual filing requirement?
Yes. The 56-1 One Report is the firm’s flagship document type. The SEC requires Thai-listed companies to file a consolidated annual report combining financial information, corporate governance, risk factors, sustainability disclosure, and management commentary in both Thai and English. Othello has produced more than 200 of these annually since 2021. The work runs on the full ISO 17100 TEP workflow, with bilingual lockstep verification before SEC submission deadline.
คำถามที่ 04 How does this connect to FTSE Russell ESG scoring?
FTSE Russell replaced SET ESG Ratings as the assessment framework for Thai listed companies from 2026. FTSE analysts read public bilingual disclosure — Thai for some indicators, English for others — and score companies on what is actually disclosed. Strong Thai-English bilingual translation calibrated to FTSE methodology v1.1 directly affects the score. The bilingual lockstep, the 1,000+ term ESG database, the ISO 17100 TEP workflow are all built specifically for this. See the FTSE Russell Readiness page for more detail on the scoring methodology.
คำถามที่ 05 Can you handle urgent SET ELCID material event disclosures?
Yes. Material event disclosures — board resolutions, M&A announcements, capital changes, related-party transactions — must be filed on the SET ELCID portal in both Thai and English, often on the same day the event occurs. Othello provides same-day bilingual translation for material event filings, with the standard ISO 17100 audit trail. Industrial-scale capacity (2M+ words/month) means urgent filings do not displace ongoing client commitments. NDA in place from first contact.
คำถามที่ 06 Why do you not use AI or machine translation for Thai work?
Thai capital-markets register is one of the most context-sensitive language pairs in Asia. Tonal accuracy, formal versus informal register, capital-markets vocabulary, and FTSE methodology terminology all require senior Thai linguists with five-plus years of disclosure experience — not algorithmic output. Machine translation routinely fails the bilingual lockstep test on Thai-English work because indicator-level precision is exactly what statistical models cannot reliably produce. The firm’s founding US CDC and US State Department contracts established the no-machine-translation standard, and it applies to every Thai document Othello produces.
The Thai-English bilingual disclosure work capital markets actually run on.
1,000+ reports delivered. ISO 17100 TEP workflow. FTSE Russell methodology v1.1 calibrated. NDA from the first email. Discreet, in-house, in Bangkok — for the listed companies that need it.