Do online sellers in Thailand need commercial registration? The short answer, and real steps that take less than a day

It starts with one post on Facebook, selling snacks to friends on LINE, or opening a small shop on Shopee. Then out of nowhere someone asks, “Have you registered your shop yet?” and your stomach drops, because it sounds like complicated government paperwork.

The good news is that commercial registration for an individual’s online shop is much easier than you think. It costs 50 baht, and if your documents are ready, one trip is all it takes. We’ll walk through it point by point: whether you need to register, where, what to bring, and what to do once you’re registered.

Does a small online shop really need commercial registration?

Quick Answer: Yes. Buying and selling goods or services over the internet is a commercial activity that must be registered, whether you sell through your own website, a Facebook page, LINE or an online platform.

The Department of Business Development (DBD) states in its commercial registration guide that businesses required to register include “buying and selling goods or services by electronic means over the internet.” Many people call this electronic commercial registration.

Common misunderstandings include:

• “Selling only on Facebook or LINE doesn’t count.” Not true. Every online channel counts.
• “My sales are still small, so I don’t need to register.” The law doesn’t set a minimum sales threshold for online selling.
• “Once I register, I’ll have to pay more tax.” No. Commercial registration isn’t a tax. Tax is a separate matter you have to deal with anyway, whether or not you register.

What people ask about a lot is clearing out personal belongings, like selling a stroller your child no longer uses, as a one-off. That usually isn’t considered running a business. But once you start regularly getting things to resell, you count as a shop.

How many days do I have to register, and is there a penalty?

Quick Answer: You must file within 30 days of starting to sell. Not registering carries a fine of up to 2,000 baht, plus a daily fine of up to 100 baht until you register.

Under the Commercial Registration Act B.E. 2499 (1956), the main penalties relevant to small shops are:

Issue	Legal penalty
Not registering on time	Fine of up to 2,000 baht, plus up to 100 baht per day for as long as the violation continues
Not displaying the commercial registration certificate openly at the place of business	Fine of up to 200 baht, plus up to 20 baht per day

If you’re already past 30 days, don’t panic. Just go and register as soon as you can, because the longer you wait, the greater the risk of daily fines.

Where do I register? Can I file online?

Quick Answer: File at the district office in Bangkok, or the municipality or sub-district administrative organization (อบต.) in other provinces, based on where your home or shop is. Some areas have an online channel, but not all, so call first.

• Bangkok: the district office (สำนักงานเขต) where your home or place of business is located
• Other provinces: the local municipality (เทศบาล) or sub-district administrative organization (อบต.), including Pattaya City

A small warning: the DBD e-Registration system that many older articles mention is for registering juristic persons (companies and partnerships), not commercial registration for individuals. The Department of Business Development also switched to a new system called DBD Biz Regist from 16 January 2025. If you sell in your own name and haven’t set up a company, contact your district office, municipality or อบต.

What documents do I need?

Quick Answer: Your ID card, a copy of your house registration, form Tor Por (ทพ.), a map of your home’s location, and a screenshot of the online shop you sell through.

Check you have everything before you leave home:

1. Your original ID card and a signed copy
2. A copy of the house registration (tabien baan) for the address you’re using as the shop location
3. Form Tor Por (ทพ., the commercial registration application form), available at the office or downloadable from the Department of Business Development website
4. A rough map of your home’s location
5. A letter of consent to use the premises if the house isn’t in your name, for example your parents’ house or a rented home, with a copy of the owner’s ID card
6. A picture of your online shop front, such as your page or shop page showing the shop name and link. A printout is handy.
7. A power of attorney if someone else is filing for you

Each area may ask for slightly different documents. Call your district office or municipality before you go so you don’t make a wasted trip.

How long does it actually take, and how much does it cost?

Quick Answer: The fee is 50 baht. Local offices’ public service guides set the total service time at about 60 minutes. If your documents are complete, you go once and take your certificate home.

Example steps from a local office’s public service guide:

Step	Approximate time
Document check	30 minutes
Paying the fee	5 minutes
Recording the registration	15 minutes
Signing and issuing the certificate	10 minutes

As for fees, this is all you need to remember:

• New registration: 50 baht
• Changes, such as moving house or adding a sales channel: 20 baht each time
• Cancelling the registration: 20 baht
• Replacement certificate: 30 baht

Actual time depends on each office’s queue. If you have to bring your child, try a weekday morning when it’s less busy, and pack snacks and water for your little one.

What do I do after registering, and what is DBD Registered?

Quick Answer: Display your certificate at your place of business, report changes when your details change, and if you want customers to trust you more, apply for the DBD Registered mark to show on your shop.

• Display your commercial registration certificate openly at your place of business, as the law requires.
• Report changes when you move, change your shop name or open a new sales channel.
• Apply for the DBD Registered mark. This is the Department of Business Development’s trust mark for online shops that have commercial registration or a juristic person certificate. You apply through the department’s online system. The mark is valid for 5 years and can be renewed. It’s not required, but it lets customers click to check that your shop really exists.

For a mom’s shop selling baby products or snacks, this kind of credibility is really valuable, because your customers are moms who are just as careful about their kids as you are.

Commercial registration isn’t the only thing you need to do

Quick Answer: Even with commercial registration, you still need to file income tax every year, and if you sell food or cosmetics, you need to check permits with the Thai FDA (อย.) separately.

• Income tax. Sales income must be declared on your tax return, even if it’s below the 1.8 million baht VAT threshold. Read more in Do online sellers in Thailand have to pay tax?
• Products that need permits. Cosmetics need a notification, and many types of food need a food registration number.
• Still deciding what to sell? Have a look at Home business ideas based on the time you really have or use the Income Finder to help you choose.

For the full picture before opening your first shop, read Guide to starting a business while raising kids

Half a morning and 50 baht in exchange for selling with peace of mind is absolutely worth it. We hope your first shop goes beautifully.