What is “PK”?
PK (Production cooperative) is a cooperative used primarily in Russia. It signals limited liability and private ownership.
Where it's used
PK 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 PK in other jurisdictions — same entity category, different national law.
Normalizing “PK” in your data
When matching or deduplicating company records, the legal suffix is noise — “Acme PK” 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 PK", "country": "ru"}'{
"data": {
"canonical": "acme pk",
"legal_type": null,
"tokens": [
"acme",
"pk"
]
},
"meta": {
"pipeline": [
"lowercase",
"legal_suffix"
],
"confidence": 0.99
}
}Frequently asked questions
What does PK mean?
PK means "Production cooperative".
Is a PK public or private?
A PK is a private entity — its shares are not publicly listed or traded on a stock exchange.
What is the liability in a PK?
Owners of a PK have limited liability. Their personal assets are protected, and their exposure is capped at the amount they invested.
Which countries use PK?
PK is used in Russia.
Need to normalize PK at scale? The Ambect API handles it across 100+ countries in under 5 ms.
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