La aseguradora llamó hoy.

Here, la aseguradora most naturally means the insurance company or the insurer.

Although aseguradora can literally be a feminine form related to insurer, in everyday Spanish it is very commonly used to refer to an insurance company itself.

So in this sentence, a learner should usually understand it as:

• the insurance company
• the insurer

rather than specifically a female insurer.

La is the feminine singular definite article, meaning the.

It is used because aseguradora is a feminine singular noun.

• la aseguradora = the insurance company / the insurer

In Spanish, nouns normally need an article more often than in English, especially when referring to a specific thing already known in context.

In this sentence, it is feminine because it takes la, and nouns ending in -a are often feminine.

So:

• la aseguradora = feminine singular

There is also a masculine form, asegurador, but in real usage aseguradora is very commonly used for the company itself.

Llamó comes from the verb llamar.

Llamar can mean:

• to call
• to phone
• to name (in other contexts)

Here it means called/phoned.

So:

• llamar = to call
• llamó = he/she/it called

The accent mark in llamó shows both pronunciation and verb form.

It tells you that this is the third person singular preterite form:

• yo llamé = I called
• él/ella/usted llamó = he/she/you called

The accent also helps distinguish it from llamo:

• llamo = I call / I am calling
• llamó = he/she/it called

So the accent is very important.

Llamó is the preterite, which usually expresses a completed action in the past.

So the basic meaning is:

• called

not:

• was calling → that would usually be llamaba
• has called → that would usually be ha llamado

Because the sentence includes hoy (today), English may sometimes prefer has called today, but Spanish often still uses the preterite in many contexts, especially in some varieties and depending on how the speaker sees the action.

In Spain, you will also often hear:

• La aseguradora ha llamado hoy.

That is also very natural.

Yes, absolutely.

In Spain, with a time expression like hoy (today), the present perfect is very common:

• La aseguradora ha llamado hoy.

That often sounds especially natural when today is still considered part of the speaker’s current time frame.

But La aseguradora llamó hoy is still grammatically correct. It can sound a bit more like the speaker is viewing the event as a finished past action.

So both are possible; the choice depends on usage, region, and nuance.

Spanish often omits subject pronouns because the verb ending already gives the person and number.

Here, llamó already tells us it is he/she/it/you-form singular. Since the subject is explicitly stated as la aseguradora, there is no need to add ella.

So Spanish normally says:

• La aseguradora llamó hoy.

not:

• Ella la aseguradora llamó hoy. ❌

If you added a pronoun, it would usually only be for emphasis or contrast, and it still would not be used in that way.

This is the most neutral Spanish word order:

• Subject + verb + time expression
• La aseguradora
  • llamó
    • hoy

It is similar to English:

• The insurance company called today.

Spanish word order is flexible, so other orders are possible for emphasis, for example:

• Hoy llamó la aseguradora. = The insurance company called today / Today the insurance company called.

That version may put a little more focus on today or present the event more dynamically.

Yes, llamar has several meanings, but in this sentence the most natural one is to call on the phone.

Possible meanings of llamar include:

• to call / phone
• to call out
• to summon
• to be called / named (in some constructions)

Because the subject is the insurance company, the usual interpretation is:

• The insurance company called
  meaning phoned.

In standard Spain Spanish, llamó is usually pronounced roughly like ya-MOH.

A few points:

• ll is usually pronounced like y in modern Spanish in most places
• the stress falls on the last syllable because of the accent: lla-MÓ
• ó sounds like a clear Spanish o, not a diphthong like English oh

So a rough English approximation is:

• ya-MOH

But with a Spanish a and o, both shorter and purer than in English.

Yes.

A very common alternative is:

• La compañía de seguros llamó hoy.

That also means The insurance company called today.

The difference is mainly style:

• aseguradora = shorter, very common, slightly more institutional/business-like
• compañía de seguros = more explicit and transparent for learners

Both are perfectly normal.

Because Spanish, like English, does not always need to state who was called if it is already understood from context.

So:

• La aseguradora llamó hoy. = The insurance company called today.

It leaves open who they called, but usually the listener can infer it.

If you want to specify it, you can say:

• La aseguradora me llamó hoy. = The insurance company called me today.
• La aseguradora nos llamó hoy. = The insurance company called us today.

Without an object, the sentence is still complete.

It is neutral.

Nothing in La aseguradora llamó hoy is especially formal or especially informal. It would sound natural in everyday conversation, messages, or general narration.

The noun aseguradora is a normal real-world word, and the grammar is straightforward and standard.