A rejected company name is rarely bad luck: the registration system checks the name against the existing enterprise database and the Enterprise Law prohibitions, so almost every rejection is predictable with one proper search and check round before filing. In reality, the incorporation stage is when a company has the least experience in Vietnam yet must make the decisions with the longest-lasting effects, and decisions of the company name rejection type are concentrated precisely in this stage, from capital accounts and seals to accounting structure alike.
Short answer
In short: the six common rejection reasons are a name identical or confusingly similar to a registered enterprise, a name violating prohibitions (using barred agency or organisation names or offensive wording), a name with unacceptable characters or structure, a foreign-language or abbreviated name conflicting with the main name, a name falsely suggesting a sector or legal status, and a name infringing protected industrial property rights. Passing the first time means cross-searching on the National Portal and keeping backup options ready.
Understanding company name rejection requires separating two layers: the law sets the framework of rights and obligations; actual application depends on how banks, tax authorities and registration authorities examine each specific document.
Detailed analysis
The heaviest reason is identity and confusing similarity: the registration office compares not only identical names, but names that sound alike, look alike or contain the distinctive element of a well-known earlier-registered enterprise, nationwide rather than within one province. Foreign investors often trip on the English name variant and the abbreviation: the registered foreign-language name must correspond to the Vietnamese name, and if any of the three name forms (Vietnamese, foreign language, abbreviation) conflicts, the whole dossier must be amended. Names containing place names or sector wording suggesting a state agency or special organisation also draw close scrutiny.
The first-try naming method is a four-step process: build a five-to-seven option list in priority order, search each option on the National Business Registration Portal including similar forms, run a basic trademark conflict check for the name intended as a brand, and design a name with a strong distinctive element (an invented component) rather than a purely descriptive name — the more generic-descriptive a name, the easier it clashes and the weaker its later protection.
Framework: enterprise naming rules — identical names, confusing names and prohibited names — under Enterprise Law 59/2020/QH14; dossier search and handling under Decree 168/2025/ND-CP on enterprise registration (replacing Decree 01/2021/ND-CP) and National Business Registration Portal data; trademark conflicts under current Intellectual Property Law (as amended by Law 131/2025/QH15 on examination changes — cited at framework level, without asserting a direct effect on enterprise naming procedure).
Risks and practical notes
The consequences of company name rejection usually arrive late: errors are often discovered only when the company borrows capital, completes a tax finalisation or changes a licence, by which time the cost of correction has multiplied.
The specific risk: renaming after rejection costs not only a new filing round; if the investor has already printed materials, made a signboard, opened accounts or signed documents under the intended name, all those products must be redone; and since the company name is the core of the trademark and domain plan, one forced rename can break a brand plan already invested in.
Action checklist
- Build a five-to-seven name option list in priority order, each with all three name forms
- Search nationwide on the National Portal including sound-alike and look-alike names
- Run a basic trademark conflict check for the option intended as a brand
- Avoid purely descriptive names, state-status-suggesting names and unacceptable characters
- Print nothing, make no signboard and sign nothing under the intended name before it is accepted
Frequently asked questions
Why is a company name rejected?
Because the name violates one of the registration system matching rules: identical or confusing with an existing enterprise, in a prohibited name group, invalid characters or structure, conflict among the accompanying registered name forms, false sector or status suggestion, or infringement of a protected trademark. The registration office notice will state the reason so the investor fixes the right point.
What are the 6 common reasons names are rejected?
The six reasons are: (1) identical or confusingly similar to a registered name; (2) using prohibited names such as state agencies, armed units, political organisations or offensive wording; (3) unacceptable characters, numbers or structure; (4) a conflicting or non-corresponding foreign-language or abbreviated name; (5) a name falsely suggesting a sector, type or status; (6) infringing another party industrial property rights. Each reason is detailed in the analysis section.
How to name a company to pass the first time?
Apply the four-step process: build a multi-option priority list, search carefully on the National Portal including similar variants, run a basic trademark check, and design a name with its own distinctive element instead of generic description. Also prepare a complete backup name set to switch options within the same filing instead of thinking of a new name only after a return.
How long does renaming take after a rejection?
If the name is returned at the enterprise registration round, renaming costs one more amended filing round after a replacement name passes the search — exact time depends on how fast the new name is chosen and on authority handling. The bigger loss usually sits outside the procedure: printing, signboards, accounts and the brand plan tied to the old name must be redone.
FLAT Law Firm accompanies investors
On company name rejection, the FLAT Law Firm has handled many similar incorporation matters and can give differentiated filing advice based on receiving practice in different provinces, avoiding the mistake of applying one locality’s experience nationwide. For advice tailored to your company’s specific situation, please contact the FLAT Law Firm for a case assessment; we will propose a workable filing path based on your project structure and timeline.
This article has been quality-reviewed by the FLAW AI Legal Council
