What is “ZJK”?
ZJK (All-purpose business association) is a general partnership used primarily in Japan. It signals unlimited liability and private ownership.
Where it's used
ZJK appears in company names registered in the following jurisdiction:
What it tells you about the company
Equivalent forms around the world
These are the closest structural equivalents to ZJK in other jurisdictions — same entity category, different national law.
Normalizing “ZJK” in your data
When matching or deduplicating company records, the legal suffix is noise — “Acme ZJK” and “Acme” should resolve to the same entity. One API call strips it and returns a stable canonical form:
curl -X POST https://api.ambect.com/v1/normalize/company \
-H "Authorization: Bearer $AMBECT_KEY" \
-H "Content-Type: application/json" \
-d '{"name": "Acme ZJK", "country": "jp"}'{
"data": {
"canonical": "acme zjk",
"legal_type": null,
"tokens": [
"acme",
"zjk"
]
},
"meta": {
"pipeline": [
"lowercase",
"legal_suffix"
],
"confidence": 0.99
}
}Frequently asked questions
What does ZJK mean?
ZJK means "All-purpose business association".
Is a ZJK public or private?
A ZJK is a private entity — its shares are not publicly listed or traded on a stock exchange.
What is the liability in a ZJK?
Members of a ZJK have unlimited personal liability — they can be held responsible for the entity's debts beyond their initial investment.
Which countries use ZJK?
ZJK is used in Japan.
Need to normalize ZJK at scale? The Ambect API handles it across 100+ countries in under 5 ms.
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