About Obra Certa

Obra Certa is a free, independent directory of construction professionals in Portugal, operated by Obra Certa.

Free for everyone

No one pays to appear or to move up the list. We don't sell featured spots or positions.

How businesses are included

We include businesses with a verifiable public presence — for example, their own website or a public register such as IMPIC's. Every profile starts as 'Listed'; the business can claim it, correct it or ask for it to be removed.

What we show

We show information collected from public sources, with source consultation dates where available. Reviews are linked on the original platform, not copied. How we source information.

How to get in touch

Use the form on For professionals (claim, correct or remove a listing) or the 'Is this your business?' link on each profile.