- CEO
- Prompong Chaikul
- Full Time Employees
- 1,978
- Sector
- Electronic technology
- Industry
- Semiconductors
- Address
- Bang Pa-In Industrial Estate, I-EA-T Free Zone Ayutthaya PS Thailand 13160
- IPO Date
- Sep 28, 2009
- Business
- Stars Microelectronics (Thailand) Public Company Limited (SMT.BK) is a Thailand-based total electronic solution provider specializing in outsourced semiconductor assembly and test (OSAT) and electronics manufacturing services (EMS). The company operates under a True Vertical Integration model, delivering comprehensive manufacturing capabilities from wafer processing, IC assembly, PCB assembly, and final system build assembly; its services span the full product lifecycle, including design, industrialization, mass production, distribution, and end-of-life support. Core offerings encompass standard IC packaging, advanced packaging such as flip chip and COB assembly, wafer dicing including stealth dicing, optical assembly for silicon photonics, optical transceivers, active optical cables, and LiDAR components; electronics manufacturing services cover printed circuit board assembly (PCBA), box build for audio/video devices, Internet of Things modules, industrial electronics, and special devices; additional capabilities include fiber optic devices, battery management systems, and testing services such as HAST and pressure cooker tests in ISO-class cleanrooms.
Stars Microelectronics serves diverse industries including semiconductors, optics and telecommunications, automotive, industrial, professional audio/video, and medical devices, with target customers comprising OEMs and market leaders seeking high-quality, cost-competitive production. The company maintains operations primarily from world-class facilities in Thailand's Bang Pa-In Industrial Estate with free-zone privileges, alongside support offices in the United States, Europe, China, and Japan; it also engages in trading activities and provides vertical integration for optical systems.
Founded in 1995 and headquartered at 586 Moo 2, Bang Pa-In Industrial Estate, Klongjig, Ayutthaya, Thailand, the company marked its 30th anniversary in 2025 and received the CSR-DIW Award from Thailand's Department of Industrial Works for the seventh time in 2024. In recent strategic developments, Stars Microelectronics entered a joint venture agreement in February 2024 with CG Power and Industrial Solutions Limited and Renesas Electronics Corporation to establish an OSAT facility in India under the government's semiconductor scheme, with the JV investing INR 7,600 crores over five years and Stars holding approximately 0.9% equity to provide legacy packaging technology, training, and enablement. During 2025, the company pursued an ongoing share repurchase program for financial management purposes, concluded certain phases in May, and reported updates on new subsidiary establishments and capital reductions in subsidiaries as part of operational restructuring.