Here is an introduction to a really useful web site namely THAILAWS.COM
The content of this web site is awesome and of use to anyone living, renting or working in Thailand.
THE OBJECTIVE OF WWW.THAILAWS.COM IS TO PROVIDE THE USEFUL INFORMATION ABOUT THAILAND, THAI ACTS AND LEGAL INFORMATION FOR [...]

This article was written by Paul Ashburn, Senior Partner, BDO Advisory Limited.

BDO Advisory Limited, a limited liability company incorporated in Thailand, is a member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms. BDO is the brand name for the [...]

In order to close a Thai company you will normally have to contact two government authorities. The first is the Revenue Department (RD) and the other is the Ministry of Commerce (MOC).
The Revenue Department
If you are a VAT registered company, you have to apply for VAT de-registration within 15 days of [...]

Labor matters are generally governed by the Labor Protection Act B.E. 2541 (1998) and the Civil and Commercial Code Section 575 to Section 586 on Hire of Services. Other laws include:

Labor Relations Act B.E. [...]

Here is a comprehensive document covering general costs, tax rates, labour costs, utility, communication, transportation costs, misc costs and useful information in fact everything you need to know when considering starting an operation or business in Thailand.
Download pdf document Thailand costs_doing_business_2009
Courtesy of www.thailaws.com

The Thai are a proud nation of people with a long history and well-established, complex hierarchal structure of status. Starting with the Royal family and percolating down, everyone in Thailand knows and respects their place in society. A polite Thai (which is most of them) will usually immediately identify whether another [...]

When do you need a work permit?
You will need a work permit as soon as you engage in work by “exerting energy or using knowledge whether or not in consideration of wages or other benefits “. Of course if you just come into Thailand to negotiate a contract with a Thai [...]

Filing Corporate Income Tax for your villa
As a Thai company, if your fiscal year (accounting period) is based on the calendar year, you have to file corporate income tax within 150 days after year end no matter whether you have any income or expenses in your business during the year or [...]

It’s CIT time again
Any Thai company subject to corporate income tax (CIT) is required to file a half-year tax return by estimating its annual net profit and its tax liability; and must pay half of the estimated tax amount within two months of the end of the first six months of [...]

VAT’ how to do it
I have heard that many small businesses in Phuket – particularly restaurants and bars – are now being invited by the local tax officers to register for VAT. Therefore, I think it is a must that they have a clear understanding of the VAT laws that concern [...]