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A Thai company limited carries a 13-digit registration number and a registered rule most foreigners overlook: exactly which director signatures — sometimes with the company seal — bind the company. Order the official record for any Thai Co Ltd: identity, status, directors and registered particulars, in minutes. From €9.99.
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Thai business practice runs on the company affidavit — a certified summary of the registered facts: name, number, directors, signing authority, registered office and capital. Counterparties exchange it at the start of any serious relationship, and its substance is exactly what a register check verifies: the current registered state of the company, not last year's photocopy.
Dates matter accordingly: directors and signing rules change, and an outdated affidavit is one of the most common ways deals in Thailand go procedurally wrong.
The official record for the Co Ltd: registered name (Thai, with English where recorded), 13-digit registration number, status, directors and registered particulars including capital and address as published — structured data plus a branded PDF, emailed in minutes. From €9.99.
Because Thai company registrations specify authorised directors and how they must sign — jointly, singly, with or without the seal. A contract signed outside the registered rule is vulnerable, so the recorded authority is the first thing Thai lawyers check.
Two, since the 2023 reform lowered the old three-promoter minimum. Very small shareholder counts are therefore normal for new companies rather than a red flag.
The 13-digit juristic-person registration number, which also serves as the tax ID. It belongs on invoices and is the key to match against the register record.
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