Licensed and Certified Thai Language School
Licensed by the Thai Ministry of Education
DSS International language Services Co., Ltd. is the operating company of Effective Thai. It is registered with the Thai Ministry of Education. Registration number ช.ม. ๐๑-๐๑๓/๒๕๔๙ (Chor.Mor. 01-013/2549). School License name: Effective Foreign Languages Chiangmai (Lanna) School.
Certified ISO 9001:2015 by Bureau Veritas
DSS International Language Services Co., Ltd. achieved ISO 9001:2008 certification in 2009. 162 member countries recognize this certification.
- Certification number: TH 09000391
- Verify at +66 26 704 800, inside Thailand 026 704 800.
ISO certification was established through Bureau Veritas, an accredited registrar and auditor that performs assessments of management systems against requirements of national and international standards for quality.
Accredited by the United Kingdom Accreditation Service
ISO Certification by Bureau Veritas is accredited by the United Kingdom Accreditation Service UKAS, the sole national accreditation body recognized by the UK government to assess organizations that provide certification services.
Local and International Recognition
The Thai Industrial Standards Institute (TISI) is an office of the Thai Ministry of Industry. One of the objectives of the TISI is to monitor the quality of Thai products and services and to promote companies that meet international governmental-level standards such as ISO 9001:2015 compliance. DSS International Language Services Co., Ltd. is the only language-training company recognized by the TISI as meeting an ISO international standard.
Effective Thai is licensed and meets international quality standards
Small Group Thai Language Classes
Our Small Group language classes are much more effective than larger classes of 10 students or more, common at other Thai Language schools. Great for families or friends who want to study together.