The multinational companies in Bangkok are predominantly large, established firms, with a notable presence in the financial and hospitality sectors. Companies such as SCB – Siam Commercial Bank and Bangkok Bank offer diverse financial products and services, while Anantara Hotels & Resorts and Six Senses provide luxury hospitality experiences. Other significant firms include PTT Group, an integrated energy company, and Thai Union Group PCL., a global seafood company.
A clear pattern among these companies is their strong focus on the Thai market and broader Southeast Asian region, often with headquarters in Bangkok. The banking sector, in particular, shows a concentration of large institutions founded in the mid-20th century, indicating a mature financial landscape.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Hospitality Information & Jobs Vacancieshospitalityjobsvacancies.com
Platform for sharing job advertisements within the hotel industry and related sectors, facilitating direct applications between hospitality professionals and active recruitment listings. |
10,113 | |||
| 2 |
SCB – Siam Commercial Bankscb.co.th
Providing diverse financial products and services including retail banking, corporate finance, investment, insurance, and technological innovation for customers. |
6,786 | |||
| 3 |
Anantara Hotels & Resortsanantara.com
Provides luxury hospitality and authentic local experiences across global destinations, focusing on heartfelt service, cultural immersion, and professional growth within exotic resort environments. |
6,100 | |||
| 4 |
Bangkok Bankbangkokbank.com
Leading commercial bank in Thailand and Southeast Asia, driving innovation in services and products to meet changing financial landscape |
5,734 | |||
| 5 |
KASIKORNBANKkasikornbank.com
A leading Thai bank offering a wide range of financial services with a focus on customer satisfaction, risk management, and sustainable business growth |
4,381 | |||
| 6 |
Six Sensessixsenses.com
Luxury hospitality focused on transformative travel experiences, promoting well-being and long-term positive environmental and social impact. |
3,870 | |||
| 7 |
PTT Grouppttplc.com
Fully integrated energy company engaged in exploration, production, refining, petrochemical, trading, and regional energy development across ASEAN countries. |
2,476 | |||
| 8 |
East-West Seedeastwestseed.com
Development and improvement of tropical vegetable seeds, training farmers to increase yield and income, serving millions globally. |
2,144 | |||
| 9 |
GCpttgcgroup.com
A global chemical company focused on innovative solutions, sustainability, and environmental responsibility, aiming to reduce greenhouse gas emissions and achieve Net Zero by 2050 |
2,126 | |||
| 10 |
Thai Union Group PCL.thaiunion.com
Global seafood company focused on sustainable growth, innovation, health, and nutrition, delivering nutritious products while protecting ocean ecosystems. |
2,122 | |||
| 11 |
KPMG Thailandkpmg.com
Multidisciplinary firm providing audit, assurance, legal, tax, consulting, and deal advisory services through a network of over two thousand five hundred local professionals. |
1,712 | |||
| 12 |
Bank of Thailandbot.or.th
Central bank maintaining economic stability, supervising banking and finance industries, protecting consumers, monitoring illegal activities, collaborating for sustainable economic development. |
1,707 | |||
| 13 |
Dusit Hotels and Resortsdusit.com
This company operates hotels and resorts worldwide, offering unique stays with high-style surroundings, personalized service, and a commitment to hospitality |
1,699 | |||
| 14 |
AIA Thailandaia.co.th
Providing health insurance and financial protection services to help people manage health, savings, and long-term financial security. |
1,680 | |||
| 15 |
LINE MAN Wongnaicareers.lmwn.com
e-Commerce platform connecting consumers, riders, and local businesses in Thailand, offering a variety of services tailored for Thai people |
1,603 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Avani Hotels and Resortsavanihotels.com
Provides understated, contemporary, simple hotels and resorts for leisurely family breaks or romantic escapes, offering discerning service, relaxed dining, and engaging recreation facilities for guests. |
1,435 | |||
| 17 |
Central Retailcentralretail.com
It is a leading multi-format and multi-category retailing platform in Thailand, expanding internationally in Italy and Vietnam. |
1,416 | |||
| 18 |
Bangkok Airwaysbangkokair.com
The company operates regional air services from Thailand to various cities in South East Asia, providing convenient travel options for passengers |
1,395 | |||
| 19 |
Muang Thai Life Assurance Public Company Limitedmuangthai.co.th
A leading life insurance company in Thailand, offering a wide range of products and services to improve customers' health and well-being |
1,254 | |||
| 20 |
Charoen Pokphand Group Co.,Ltd.cpgroupglobal.com
Holding company with subsidiaries in agro-industry, food, retail, distribution, media, and telecommunications across 21 countries worldwide. |
1,243 | |||
| 21 |
Osotspa Public Company Limitedosotspa.com
Develops, produces, and distributes specialty drinks that refresh mind and body for consumers in Thailand and international markets. |
806 | |||
| 22 |
Mitr Phol Groupmitrphol.com
Leading sugarcane producer with diversified portfolio including sugar, renewable energy, wood substitutes, bio-based products, operating across Asia-Pacific with social responsibility. |
743 | |||
| 23 | 695 | ||||
| 24 |
B.Grimmbgrimmgroup.com
Operates as a multinational conglomerate across energy, healthcare, real estate, and digital technologies, with a long history in infrastructure development. |
534 | |||
| 25 |
Suntory Beverage & Food Health Enrichmentsuntorybeverageandfood.co.th
Health enrichment business unit delivering innovative beverage and food products, driving growth and social contributions across APAC region. |
506 | |||
| 26 |
Dextra Groupdextragroup.com
Manufacture and distribution of engineered construction products ensuring efficiency, integrity, and safety for building and civil industry projects worldwide. |
481 | |||
| 27 | 423 | ||||
| 28 |
Dusit Internationaldusit-international.com
Leading hospitality group operating hotels, resorts, education, food services, and property development across multiple countries with diverse brands. |
324 | |||
| 29 |
Mahidol Oxford Tropical Medicine Research Unit (MORU)tropmedres.ac
Conducting patient-focused research across Asia and Africa to address global health issues like drug resistance, malaria, and critical illness |
244 | |||
| 30 |
Club21 Thailand (part of the COMO Group)club21.com
A pioneer in Asian luxury fashion, specializing in market development, brand management, wholesale distribution, and retail with a focus on partnership and integrity |
129 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.