Privacy policy

Who we are
The main website address is:
What data we collect and why we collect it
When visitors leave comments on the site, we collect the data shown in the comments form and also the visitor's IP address and browser user agent string to help detect spam.
If you upload images to the site, avoid uploading images with embedded location data (GPS EXIF) included. Site visitors can download and extract any location data from images on the site.
Contact Forms
If you leave a comment on our site, you may choose to save your name, email address and website in cookies. These are for your convenience, so you don't have to fill in your details again when leaving another comment. These cookies will last a year.
If you have an account and log in to this site, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.
When you sign in, we will also set various cookies to save your login information and your on-screen display options. Login cookies last two days and screen options cookies last one year. If you select “Remember Me,” your login will persist for two weeks. If you sign out of your account, login cookies will be removed.
If you edit or publish an article, an additional cookie will be saved in your browser. This cookie does not include personal data and simply indicates the post ID you just edited. Expires after 1 day.
Content from other websites
Articles on this site may include embedded content (e.g., videos, images, articles, etc.). Embedded content from other sites behaves the same as if the visitor had visited the other site.
These sites may collect data about you, use cookies, incorporate additional third-party tracking, and monitor your interaction with embedded content, including tracking your interaction with embedded content, if you have an account and are connected to the site.
How long we keep your data
If you leave a comment, the comment and its metadata will be retained indefinitely. This is so that we can automatically recognize and approve any follow-up comments, rather than keeping them in a moderation queue.
For users who register on our site, we also store the personal information they provide in their user profile. All users can view, edit or delete their personal information at any time (except they cannot change their username). Site administrators can also view and edit this information.
What rights do we have over your data
If you have an account on this site or have left comments, you may request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You may also request that you delete any personal data we have about you. This does not include any data that we are required to keep for administrative, legal or security purposes.


Ideas that matter

We implement results driven solutions.

We improve your productivity. We add real value.

Through innovation and efficiency we challenge Engineering and deliver you answers relevant to your industry.

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What sets us apart?


We optimize each stage of the workflow, increasing your financial results in less time spent.


Through global analysis to our products and services, we present the safest and most reliable solutions to be developed from design to production and operation.


We target gaps in the market and listen to your internal needs, crossing smart and never heard of solutions.


Feasibility. Design. Engineering. Operation. Maintenance. All which we do to get ahead of operational and corporate risks.

Our engineering team will reveal and boost your company's technical abilities.
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The opinions of who already contracted our services.

  • It is a pleasure to work with Slefty, we highly recomend your services!

    Dário Gonçalves

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Slefty was built to win over the most ambitious goals. To achieve this we need a team of excelence and the best candidates. We are a Force and you're just a short Distance away: apply! This is your Moment to join us.

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