How to choose a renovation company in Portugal (and the traps to avoid)

Here's something most foreign buyers don't know: in Portuguese residential construction there is no mandatory certification for individual tradesmen. Anyone with a van and a logo can call themselves a builder. The flip side surprises people even more — a big, well-marketed renovation brand is not automatically safer. Plenty of the glossiest names in the sector are franchises: they sell the job, take their margin, and subcontract the actual building work to whoever is available.

Judge builders by buildings, not badges

Awards, seals and five-star ratings are marketing instruments in this industry, and many are easier to obtain than the public assumes. We've seen highly decorated companies leave jobs abandoned mid-renovation. Ignore the badges. Ask to see completed projects — real addresses, not photographs — and speak to the owners. A builder proud of their work will arrange it without hesitation. One who makes excuses has answered your question.

Deposits: what's normal, and what makes you a mark

First, what's normal: deposits in Portugal are bigger than what UK or Australian buyers are used to, and that's legitimate — materials are expensive here, and the contractor carries those costs up front. A sizeable deposit on its own is not a red flag.

The trap is different: handing over a large sum — often in cash — to the first contractor who happens to be available, with nothing in writing. Do that and you're a mark. Most renovation firms here are small limited companies (Lda); when one fails mid-job, litigating the dispute routinely takes years, and by the end the company has often been dissolved with nothing left to recover. So vet the company before any money moves (the checks below take ten minutes), pay the deposit by bank transfer against a proper invoice and a signed contract, and tie the remaining payments to completed, inspected stages of work.

Keep your finance away from your builder

Renovation credit arranged at the point of sale by the contractor is convenient right up until the job stalls — then you're paying instalments on a half-finished house while the company that signed the contract disappears. If you need finance, arrange it independently, through your own bank, on your own terms.

Five checks you can run in ten minutes

Portugal actually gives you decent public tools for vetting a contractor — almost nobody uses them. Before you sign anything:

• Check their IMPIC licence (alvará) at impic.pt — the public register of licensed construction companies. A "renovation company" with no licence, or one limited to trivial works, is telling you something.
• Look them up on the corporate register. A company claiming twenty years of experience that was incorporated eighteen months ago with €5,000 of capital is a brand, not a builder.
• Check the registered activity matches the work. We've seen firms registered for industrial maintenance selling home renovations. The register doesn't lie; the website might.
• Read their complaint history on Portal da Queixa — and read the actual complaints, not the star rating or the badges. Look for abandoned jobs and deposit disputes; those patterns repeat.
• Ask who actually does the work and who signs the contract. If the brand on the van is not the company on the contract, understand exactly who is responsible when something goes wrong — because the contract is what counts.

And a sixth check worth making in person: ask for proof of liability insurance — and whether the people who'll actually be on your site are employed and insured by the company you're contracting. If an uninsured subcontractor is injured on your property, the problem can land at your door. A serious contractor answers that question without flinching; the other kind changes the subject.

A proper scope of works is your best protection

Most renovation disputes don't start with bad workmanship — they start with a vague quote. A one-page estimate for "remodelação geral" protects nobody. What you want is a detailed scope of works: what's being done, with which materials, in what sequence, paid on what milestones. It makes quotes comparable, keeps extras honest, and gives you something enforceable when memories differ.

What a proper contract looks like

The contract is where good intentions either become enforceable or evaporate. A serious one has the detailed scope of works attached as an annex, a payment schedule tied to defined milestones rather than dates, a stated programme with consequences for drift, and a written variations procedure — any extra priced and signed before the work happens, not negotiated from memory at the end. If the "contract" is one page with a price and a start date, you don't have a contract; you have a receipt for a donation.

Have someone on your side of the table

The single best protection is independent oversight — a builder who works for you, not the contractor, checking quality at each stage and signing off payments against actual progress. That's what we do. We scope the job before it's priced, bring in Portuguese trades we know and trust, and stay until handover. Read more about how we run construction projects, or talk to us before you sign anything — the cheapest time to fix a renovation is before it starts.

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