Company Registration & BOI: documents, steps and pitfalls
Company Registration & BOI: Entity setup, shareholding structure and investment-promotion applications. The principal authority is Department of Business Development and the Board of Investment. Detailed requirements change over time, so confirm the current conditions before each filing.
อ่านภาษาไทย: คู่มือจดทะเบียนบริษัทและส่งเสริมการลงทุน
Documents to prepare
- Reserved company name and objectives
- Shareholder list and shareholding ratios
- Identification for every director and shareholder
- Registered address evidence and consent letter
Step-by-step process
- 1
Case assessment: define the end purpose and confirm that Entity setup, shareholding structure and investment-promotion applications is what the receiving party actually requires.
- 2
Collect and pre-check every document so names, dates and spelling match before filing with Department of Business Development and the Board of Investment.
- 3
Prepare translations or supporting papers in the prescribed format, then have a second reviewer verify them.
- 4
File with Department of Business Development and the Board of Investment through the channel currently open, keeping proof of every submission.
- 5
Track status, answer officer queries and correct documents immediately if anything is challenged.
- 6
Collect the result, verify it before forwarding, and archive a complete set for future reference.
Cautions and common mistakes
- Some activities restrict foreign shareholding — check before designing the structure
- Objectives that do not cover the actual business activity
- Neglecting post-incorporation filing and tax duties
Compare: do it yourself vs let us handle it
Consult before you start — advisers, not just processors
We do not simply process paperwork — we advise throughout the case. With more than 15 years of experience we review your documents before anything is filed, flag where rejection risk sits, and sequence the full chain end to end. If you would rather not run the process yourself, send the documents for a no-obligation review first.
Talk to our team





