Information
SIAM OHYAMA CO., LTD. is a Thai corporation wholly owned by a Japanese company.
It was established in the Kingdom of Thailand in 2015.
We are a wholesale importer and trading company specialising in cosmetics.
We import and distribute high-quality Japanese products to customers in Thailand.
Investment ratio: OAT Holdings Corporation (98%), Oyama Corporation (1%), International Cosmetics Corporation (1%)
“Have you ever thought about selling Japanese cosmetics?
It could be a valuable addition to your store.”
We specialise in importing and legally distributing high-quality Japanese products at wholesale prices to customers in Thailand.
We can supply your store with each product at a wholesale price.

Please visit our official store below to view our products.
One of the biggest advantages of using our services is…
One-stop import from Japan
Importing products from Japan to Thailand can be complicated due to various factors, such as trade regulations, cultural differences, customs procedures, import licensing and quality regulations. Language and business practices, logistics during transit, and the complexity of customs procedures also need to be considered. However, by choosing to work with our company, you can avoid these complexities and simplify the entire process. We offer a comprehensive import service from Japan to Thailand, making it easier for customers to place orders.
All imported products must be registered with the FDA.
Do you want to import goods and sell them legally in Thailand?
We can help! Our dedicated team ensures that all legal requirements are met, allowing you to focus on doing business with confidence.
We’re constantly striving to improve product quality through rigorous audits. You can trust us to help you succeed in the Thai market.
We also facilitate access to the Thai market and business growth. At the same time,
It demonstrates product reliability to consumers, increasing their trust.
It also reduces legal risk by ensuring products comply with regulations. Make sure your imported products are registered with the FDA.

FDA Registration
This is the process for ensuring that products such as pharmaceuticals, food and cosmetics meet the regulatory compliance requirements for sale in Thailand.

JTEPA
The Economic Partnership Agreement between Japan and Thailand means that tariffs are reduced to 0% if the necessary origin conditions are met.

Customs clearance
When importing products from Japan, you must pay customs duties, submit documents and complete inspections.

Domestic Delivery
Once you arrive in Japan, we will deliver your package to the designated warehouse once it has cleared customs.
Company Profile
会社概要
Company name | SIAM OHYAMA CO., LTD. |
Representative Name | Yoshitsugu Saito |
Date of registration | Jan/2015 |
Address | 71 1Fl Sukhumvit 66/1, North Bangna, Bangna Bangkok 10260 Thailand |
Contact | japandesk@ohyama.co.th (JP) Info@ohyama.co.th (TH, EN) |
Our Business | Import, wholesale sales, trade operations, market research, FDA registration application, EPA application, product management, agent import & shipment, product management, etc. of cosmetics, daily sundries, and other products to Thailand |
client | DONDON DONKI, Tsuruha(THAILAND), Central & Matsumotokiyoshi, Lazada, Shopee, JETRO Bangkok, Japan Finance Corporation, Bangkok Office of Regional Banks, Tokyo Metropolitan Small and Medium Enterprise Promotion Agency, etc. |