What is “I/S”?
I/S stands for Interessentskab (Danish), a general partnership used primarily in Denmark. The suffix signals that the business has unlimited liability and is privately held.
Full meaning & translation
The full form is Interessentskab, a Danish-language term. It translates literally as “Partnership of shared interests.” You may also encounter it abbreviated or written as interessentskab.
Where it's used
I/S 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 I/S in other jurisdictions — same entity category, different national law.
Normalizing “I/S” in your data
When matching or deduplicating company records, the legal suffix is noise — “Acme I/S” 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 I/S", "country": "dk"}'{
"data": {
"canonical": "acme i s",
"legal_type": null,
"tokens": [
"acme",
"i",
"s"
]
},
"meta": {
"pipeline": [
"lowercase",
"legal_suffix"
],
"confidence": 0.99
}
}Frequently asked questions
What does I/S stand for?
I/S stands for Interessentskab (Danish), which translates as "Partnership of shared interests".
Is a I/S public or private?
A I/S is a private entity — its shares are not publicly listed or traded on a stock exchange.
What is the liability in a I/S?
Members of a I/S have unlimited personal liability — they can be held responsible for the entity's debts beyond their initial investment.
Which countries use I/S?
I/S is used in Denmark.
Need to normalize I/S at scale? The Ambect API handles it across 100+ countries in under 5 ms.
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