Contactei a seguradora para declarar o sinistro e ser indemnizado.

Contactei is the 1st person singular of the pretérito perfeito simples of contactar.

So it means I contacted.

• contactar = to contact
• contactei = I contacted

In this sentence, it refers to a completed action in the past.

Portuguese often drops the subject pronoun when it is clear from the verb ending.

So:

• (Eu) contactei a seguradora = I contacted the insurance company

The ending -ei already shows that the subject is I, so eu is unnecessary unless you want emphasis or contrast.

For example:

• Eu contactei a seguradora, não foi ele. = I contacted the insurance company, not him.

A seguradora means the insurance company or the insurer.

It comes from seguro = insurance, and seguradora is the company that provides insurance.

In this sentence, it refers to a specific insurance company, so Portuguese uses the definite article a = the.

Because contactar in Portuguese is normally a direct transitive verb. That means it takes a direct object without a preposition.

So:

• contactei a seguradora = correct
• contactei com a seguradora = not standard here

This is different from English, where learners may expect a preposition because of expressions like get in touch with.

Because para + infinitive is a very common way to express purpose in Portuguese.

Here it means in order to or to:

• para declarar o sinistro = to report the claim/incident
• e ser indemnizado = and to be compensated

So the structure is:

• Contactei a seguradora = I contacted the insurance company
• para... = for the purpose of...
• declarar o sinistro e ser indemnizado = reporting the incident/claim and being compensated

Literally, yes, declarar is related to declare, but in this insurance context the most natural English meaning is usually:

• to report the claim
• to report the incident
• to file the claim

So this is a good example where a literal translation may sound unnatural in English even though the Portuguese is perfectly normal.

No, not in this sentence.

In insurance language, sinistro means something like:

• claim
• insured incident
• accident/loss that gives rise to an insurance claim

This is a very important vocabulary point, because for an English speaker sinistro may look like sinister, but here it has a specific insurance meaning.

So in this sentence, o sinistro is the event being reported to the insurance company.

Both are possible, but they are slightly different in style.

• ser indemnizado = to be compensated / to be indemnified
• receber uma indemnização = to receive compensation

The version with ser + past participle is more formal and more typical of administrative, legal, or insurance language.

So this sentence sounds quite natural in an insurance context.

Because ser indemnizado is a passive infinitive structure:

• ser = to be
• indemnizado = compensated

Together, they mean to be compensated.

If you used indemnizar, that would mean to compensate someone, not to be compensated.

Compare:

• A seguradora vai indemnizar o cliente. = The insurance company will compensate the client.
• O cliente quer ser indemnizado. = The client wants to be compensated.

Because indemnizado is a past participle/adjective that agrees with the person being compensated.

In this sentence, the speaker is understood to be masculine singular:

• ser indemnizado = to be compensated (male speaker)

If the speaker were female, it would be:

• ser indemnizada

If it were plural:

• ser indemnizados = masculine plural / mixed group
• ser indemnizadas = feminine plural

So the form changes according to gender and number.

Yes, this spelling is especially associated with European Portuguese.

In Portugal, the usual spelling is:

• indemnizar
• indemnização
• indemnizado

In Brazil, the usual spelling is:

• indenizar
• indenização
• indenizado

So if you are learning Portuguese from Portugal, indemnizado is exactly what you should expect.

In this sentence, yes, that is the natural interpretation.

The understood subject of declarar and ser indemnizado is the same as the subject of contactei.

So the sentence means that I contacted the insurer:

• to report the claim
• and to be compensated

Portuguese often leaves this subject unstated because it is understood from the structure.

Yes. In natural English, you could understand it as:

• and to be compensated
• and so that I could be compensated
• with the aim of being compensated

So the coordination with e links two purposes:

1. declarar o sinistro
2. ser indemnizado

Both are reasons for contacting the insurer.

Yes, it sounds fairly formal, especially because of:

• declarar o sinistro
• ser indemnizado

These are typical of insurance, legal, or administrative language.

In everyday speech, someone might choose simpler wording depending on context, but this sentence is very natural in a formal insurance setting.

A helpful breakdown is:

• Contactei = I contacted
• a seguradora = the insurance company / the insurer
• para = to / in order to
• declarar = report / declare
• o sinistro = the claim / the insured incident
• e = and
• ser indemnizado = be compensated

So the full structure is:

I contacted the insurance company in order to report the claim and be compensated.