What is “AAT”?
AAT (Open joint-stock company) is a public limited liability company used primarily in Belarus. It signals limited liability and potential public listing.
Where it's used
AAT 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 AAT in other jurisdictions — same entity category, different national law.
Normalizing “AAT” in your data
When matching or deduplicating company records, the legal suffix is noise — “Acme AAT” 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 AAT", "country": "by"}'{
"data": {
"canonical": "acme aat",
"legal_type": null,
"tokens": [
"acme",
"aat"
]
},
"meta": {
"pipeline": [
"lowercase",
"legal_suffix"
],
"confidence": 0.99
}
}Frequently asked questions
What does AAT mean?
AAT means "Open joint-stock company".
Is a AAT public or private?
A AAT is a public entity — it can issue shares that are listed and traded on a stock exchange.
What is the liability in a AAT?
Owners of a AAT have limited liability. Their personal assets are protected, and their exposure is capped at the amount they invested.
Which countries use AAT?
AAT is used in Belarus.
Need to normalize AAT at scale? The Ambect API handles it across 100+ countries in under 5 ms.
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