runsonwhat

Proef's tech stack

What does Proef use?

Proef (proef.com) uses at least 12 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Mailjet for email delivery and Termly for security. Last checked .

Industry
Construction
Size
1,001–5,000 employees
Based in
Porto, Portugal
Founded
1984
LinkedIn
Company page
Re-check liveVisit proef.com
Tools found
12
Categories
6
Layers
4 of 5
Last checked
Oct 2026

Proef's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Application

1 tool, what the product is built with

AI

Data & Observability

3 tools, what they measure and store

Analytics

Go-to-market

3 tools, how they find and keep customers

Ads & Pixels

Company Ops

5 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Companies like Proef also use

Tools common among companies with a similar stack that we haven't found at Proef.

Companies with a stack like Proef's

Ranked by shared tools, with rare tools counting more.

More Construction companies

Other Construction companies we've checked.

Proef tech stack FAQ

What tools does Proef use?

We've found 12 tools at Proef (proef.com). Application: Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Apple Business and Mailjet. Last checked October 7, 2026.

What email provider does Proef use?

Proef uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records.

What analytics tools does Proef use?

Proef uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics. We found Google Analytics through website code.

Does Proef use Microsoft 365?

Yes. We found Microsoft 365 at Proef through email records. Microsoft 365 is used by 685,402 companies we track.

How does runsonwhat know what Proef uses?

We read public traces only: Proef's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.