Fermo restando che il committente paga l'acconto, il libero professionista inizia.

It introduces a very formal, contractual, or bureaucratic condition/background assumption.

In everyday English, learners often want to translate it too literally as remaining fixed that, but that is not how it works. In practice, it means something like:

• provided that
• it being understood that
• on the understanding that
• without prejudice to the fact that in more legal English

So Fermo restando che il committente paga l'acconto... sets up a formal condition before the main clause il libero professionista inizia.

This expression is much more common in formal written Italian than in casual conversation.

For learning purposes, it is best to treat fermo restando as a largely fixed formal expression.

You can break it down:

• fermo = firm, fixed
• restando = remaining

But in real use, the phrase functions idiomatically. It is not usually understood word-by-word in the way a learner might first expect.

So it is better to learn:

• fermo restando che... = provided that / it being understood that...

rather than trying to build the meaning from fermo + restando each time.

In this expression, fermo is normally part of the fixed phrase fermo restando.

Historically and grammatically, it relates to an implied idea such as ciò or il fatto, something like this remaining established. Because of that, you often see the masculine singular form fermo.

So in practice, learners usually memorize:

• fermo restando che...

as a set phrase, without trying to make it agree with committente or acconto.

This is a very good question, because many Italian conjunctions that express condition require the subjunctive, but this structure does not automatically work the same way.

Here, paga is the present indicative of pagare.

That said, there is an important usage note: this sentence sounds quite formal, but also slightly unusual if the intended meaning is a straightforward condition like if the client pays the deposit.

For a clearer condition, Italian often prefers:

• A condizione che il committente paghi l'acconto, il libero professionista inizia.
• Se il committente paga l'acconto, il libero professionista inizia.

So:

• paga = indicative, as written in your sentence
• paghi = subjunctive, which you would expect after a condizione che

In other words, the form in your sentence is possible as given, but for many learners the more transparent conditional pattern would be a condizione che ... paghi.

Committente is a more specific and often more formal word than simple cliente.

It usually refers to:

• the person or company that commissions work
• the party that engages a professional
• the contracting client in a business or legal context

So while client may be a good translation in many cases, committente often has a more professional/contractual nuance.

Compare:

• cliente = customer/client in a general sense
• committente = the party who commissions the work

In a sentence about contracts, invoices, deposits, and professional services, committente is very natural.

They are the two different parties involved.

• il committente = the person/company ordering the work
• il libero professionista = the self-employed professional doing the work

So the sentence describes a business arrangement:

1. the committente pays the deposit
2. the libero professionista starts

A libero professionista is not just any worker. It usually refers to someone who works independently, such as:

• a consultant
• an architect
• a lawyer
• a designer
• a translator

So this is more specific than simply saying lavoratore or professionista.

Acconto is a partial payment made in advance, usually a deposit or installment paid before the full amount.

In business contexts, acconto often implies:

• the total price is not paid yet
• this is only one part of the payment
• the rest will be paid later

Anticipo can also mean an advance payment, but it is broader and can be used in more general situations.

Very roughly:

• acconto = deposit / partial payment on a total amount
• anticipo = advance, advance payment, something given beforehand

In your sentence, l'acconto is exactly the kind of term you would expect in a formal professional agreement.

Because Italian normally uses the definite article much more often than English.

So where English might say:

• pays a deposit
• pays the deposit

Italian very naturally says:

• paga l'acconto

The article here refers to the deposit understood in the agreement or situation. This is perfectly normal Italian usage.

Italian often uses the present tense to express:

• habitual actions
• scheduled actions
• instructions
• contract-like statements
• general rules

So il libero professionista inizia can mean something like:

• the freelancer starts
• the freelancer will begin
• the freelancer begins work

In a contractual or procedural sentence, the present tense can sound quite natural, even when English might prefer will start.

If you wanted to make the future more explicit, you could also say:

• il libero professionista inizierà

But the present in formal statements is very common.

Yes, that is the most natural interpretation.

Italian often leaves out obvious words when the context makes them clear. So:

• il libero professionista inizia

is understood as:

• the freelancer begins the work
• the professional starts the job
• the professional gets started

If you wanted to spell it out more fully, you could say:

• il libero professionista inizia il lavoro
• il libero professionista inizia l'attività

But the shorter version is normal if the context is already clear.

Yes. The structure is:

1. Fermo restando che... = formal introductory condition/background clause
2. il libero professionista inizia = main clause

So the sentence is built like this:

• [formal condition], [main action].

This is a very normal pattern in formal Italian writing.

A more everyday version would usually sound simpler:

• Se il committente paga l'acconto, il libero professionista inizia.

That version is less formal but easier to process.

Usually not in ordinary conversation.

Fermo restando che sounds:

• formal
• bureaucratic
• legal
• contractual
• written rather than spoken

In everyday speech, Italians would more likely say:

• Se il committente paga l'acconto, il libero professionista inizia.
• A patto che il committente paghi l'acconto, il libero professionista inizia.
• Una volta pagato l'acconto, il libero professionista inizia.

So your original sentence is useful to learn because it shows formal Italian, but it is not the most conversational way to express the idea.

It is understandable and clearly formal, but many native speakers would probably find it a bit stiff or not the most idiomatic way to express a simple condition.

If the intended meaning is straightforwardly the freelancer starts once the client pays the deposit, more natural options would be:

• Se il committente paga l'acconto, il libero professionista inizia.
• A condizione che il committente paghi l'acconto, il libero professionista inizia.
• Una volta che il committente ha pagato l'acconto, il libero professionista inizia.
• Il libero professionista inizia dopo il pagamento dell'acconto.

So the original sentence is plausible in a formal register, but it is good for a learner to know that there are more idiomatic alternatives depending on the context.