Försäkringsbolaget behöver polisanmälan.

Swedish makes very frequent use of compound nouns. What English often writes as two or three words, Swedish often writes as one.

So:

• försäkring = insurance
• bolag = company
• försäkringsbolag = insurance company
• försäkringsbolaget = the insurance company

A good rule is: if English has a noun + noun combination, Swedish often turns it into one compound word.

That -s- is a very common linking sound/letter in Swedish compounds.

• försäkring
  • bolag becomes försäkringsbolag

It is not the same as the English possessive 's. It does not mean insurance's company. It is just part of how the compound is formed.

You will see this a lot in Swedish, for example:

• arbetsplats = workplace
• livsmedel = food products
• sjukhuspersonal = hospital staff

In Swedish, definiteness is often shown by adding an ending to the noun instead of using a separate word like the.

The base form is:

• ett försäkringsbolag = an insurance company

The definite form is:

• försäkringsbolaget = the insurance company

The ending -et marks the noun as definite. This happens because the head word is bolag, which is an ett-word.

So:

• ett bolag = a company
• bolaget = the company

And the same pattern carries over into the compound:

• ett försäkringsbolag
• försäkringsbolaget

Behöver is the present tense of the verb behöva, which means to need.

• att behöva = to need
• behöver = need / needs

One important difference from English: Swedish verbs do not change depending on the subject.

So you get:

• jag behöver = I need
• du behöver = you need
• han behöver = he needs
• de behöver = they need

The verb form stays the same.

This is the normal Swedish main-clause pattern:

subject + verb + object

So here:

• Försäkringsbolaget = subject
• behöver = verb
• polisanmälan = object

That is very straightforward.

A useful extra point: Swedish is a V2 language, which means the finite verb usually comes in the second position in a main clause.

So if you start with another element, the verb still stays second:

• Nu behöver försäkringsbolaget polisanmälan. = Now the insurance company needs the police report / a police report.
• I det här fallet behöver försäkringsbolaget polisanmälan.

It is another compound noun:

• polis = police
• anmälan = report / notification / filing a report

So polisanmälan is literally something like police-report, usually meaning a police report or the reporting of something to the police, depending on context.

This is a very common type of Swedish compound: a first noun describes the second noun.

This is one of the trickiest parts of the sentence.

The noun is:

• en polisanmälan = a police report

But the definite singular is also:

• polisanmälan = the police report

That happens because the base noun anmälan behaves like this:

• en anmälan = a report
• anmälan = the report

So when you see bare polisanmälan, it can look article-less, but it may actually be the definite form.

Also, in official or bureaucratic Swedish, a bare noun can sometimes sound a bit more generic, almost like police report required.

So in this sentence, context matters a lot. Depending on the situation, it may mean something like:

• the police report
• or more generally a police report

If you want to make indefinite meaning very clear, en polisanmälan is often clearer.

It is understandable and sounds somewhat official or bureaucratic.

In everyday Swedish, many speakers would very naturally say:

• Försäkringsbolaget behöver en polisanmälan.
• Försäkringsbolaget vill ha en polisanmälan.

Those can sound a little more explicit in ordinary conversation.

So the original sentence is not wrong, but it has a slightly formal, administrative feel.

Here are the useful forms:

försäkringsbolag

• ett försäkringsbolag = an insurance company
• försäkringsbolaget = the insurance company
• försäkringsbolag = insurance companies
• försäkringsbolagen = the insurance companies

polisanmälan

• en polisanmälan = a police report
• polisanmälan = the police report
• polisanmälningar = police reports
• polisanmälningarna = the police reports

Notice again how polisanmälan can be confusing, because the bare form is the definite singular.

Because Swedish does not capitalize nouns the way German does.

So even though försäkringsbolaget and polisanmälan are nouns, they stay lowercase unless they begin the sentence or are part of a name.

That is normal Swedish spelling.

A rough learner-friendly pronunciation is:

• Försäkringsbolaget ≈ fur-SEK-rings-boh-LAH-get
• behöver ≈ beh-HÖ-ver
• polisanmälan ≈ po-LEES-an-MEH-lan

A few notes:

• ö in behöver does not exist exactly in English.
• ä in försäkrings- and -mä- is somewhat like the vowel in bed, but not identical.
• polis has stress on the second syllable: po-LEES.

If you want a more technical version, an approximate IPA rendering is:

[fœˈsɛːkrɪŋsˌbuːlɑːɡɛt bɛˈhøːvɛr pʊˈliːsˌanmɛːlan]

They are:

• försäkringsbolaget -> dictionary form: ett försäkringsbolag
• behöver -> dictionary form: att behöva
• polisanmälan -> dictionary form: en polisanmälan

This is often how Swedish words are listed in dictionaries:

• nouns with their article: en or ett
• verbs in the infinitive with att

So if you were looking these up, those are the forms you would search for.