TISI certification in Thailand is a key requirement for importing and selling regulated products. TISI certification is mandatory for some products. For others, it is voluntary. Understanding the process is essential for businesses entering the Thai market.

This guide will help you navigate the procedures, from applying through the NSW system to checking the mandatory product list.

1. What is TISI Certification?

TISI stands for Thai Industrial Standards Institute. It is Thailand’s national body for product safety and quality. Like the CE mark in Europe or CCC in China, TISI ensures products meet Thai standards.

There are two types of certification:

✅ Mandatory Certification
Required by law. Without it, you cannot import, sell, or list certain products in Thailand. Examples include electrical appliances, helmets, pressure cookers, and some baby products.

✅ Voluntary Certification
Not legally required. Companies apply for it to increase product trust or meet partner demands. In fact, government or retail projects may still ask for this certification.

2. Steps for Mandatory TISI Certification Getting a mandatory TISI certificate takes multiple steps:

Step 1: Send the application and required documents.

Step 2：Send samples to a certified lab in Thailand.

Step 3: Let TISI inspect the factory (can be overseas).

Step 4: Get your TIS license (like TIS XXX-XXXX).

Step 5: Print the TIS logo on your product packaging.

Step 6: Send import documents to Thai customs.

📅 Note: You cannot import the product before getting the license.

🔗 Check the official TISI mandatory product list

3. Voluntary Certification and the NSW System

Voluntary certification is often misunderstood. Many importers think they can apply after importing. That’s wrong. If you want to show the TIS mark, you must apply before importing.

Applications must be made through the NSW (National Single Window) system.

Steps:

1. Submit your application to TISI.

2. Upload your documents in the NSW portal.

3. After approval, you’ll receive a certificate and can use the TIS mark.

🔗 Learn more about the NSW system

4. How to Know If You Need Mandatory Certification

First, check the official TISI list. This will help you see if your product needs mandatory approval. You can also send us your product photo and specs. We’ll give you a free assessment.

🔗 View the TISI mandatory product list

5. FAQs and Tips

Question	Answer
My product is not on the list. Do I need TISI?	No. But voluntary certification can boost your brand image.
It’s an OEM product. Do I still need manufacturer info?	Yes. You must share factory details to get certified.
How long does voluntary certification take?	Around 2–4 weeks, depending on your documents and product type.

6. Final Thoughts: Compliance First, Growth Next TISI certification is the first step to entering Thailand legally and professionally. Whether mandatory or voluntary, it builds trust and opens business opportunities. At WELLION, we help companies navigate TISI, FDA, and import rules with ease.

✉️ Want help with your product? Contact our compliance team

💡 You may also like:

• Understanding the Thai FDA’s Recommended Daily Intake (RDI)
• Understanding Thailand’s Certification Marks: A Guide to Quality and Safety