# What does Celtech Engenharia use?

Celtech Engenharia (celtech.com.br) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: IT Services
- Size: 11–50 employees
- Based in: São Paulo, Brazil
- Founded: 2009
- LinkedIn: https://www.linkedin.com/company/celtech-engenharia

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | Support & Docs | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code |  |
| [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Custom domain, DNS records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |

## FAQ

### What tools does Celtech Engenharia use?

As of October 2026, runsonwhat has found 13 tools at Celtech Engenharia (celtech.com.br) in public records. Edge & Hosting: Cloudflare and Fastly. Data & Observability: Google Analytics and Sentry. Go-to-market: Google Ads, WhatsApp Business and LinkedIn Insight Tag. Company Ops: Microsoft 365 and SendGrid. Last checked October 20, 2026.

### What email provider does Celtech Engenharia use?

Celtech Engenharia uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 714,842 companies runsonwhat tracks.

### What does Celtech Engenharia use for customer support?

Celtech Engenharia uses WhatsApp Business for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on celtech.com.br. WhatsApp Business is used by 136,220 companies runsonwhat tracks.

### What analytics tools does Celtech Engenharia use?

Celtech Engenharia uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on celtech.com.br. Google Analytics is used by 887,633 companies runsonwhat tracks.

### What is Celtech Engenharia's website built with?

Celtech Engenharia uses Wix for its website, according to runsonwhat (October 2026). runsonwhat found Wix through a subdomain that points at Wix and DNS records. Wix is used by 51,496 companies runsonwhat tracks.

### What marketing software does Celtech Engenharia use?

Celtech Engenharia uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on celtech.com.br. Mailchimp is used by 116,063 companies runsonwhat tracks.

### Does Celtech Engenharia use Cloudflare?

Yes. runsonwhat found Cloudflare at Celtech Engenharia through Cloudflare code on celtech.com.br. Cloudflare is a CDN & Edge tool used by 707,426 companies runsonwhat tracks.

### How does runsonwhat know what Celtech Engenharia uses?

runsonwhat reads public records only. Of the 13 tools at Celtech Engenharia, 9 were found through code on celtech.com.br, 1 through DNS records, 1 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and celtech.com.br about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/celtech.com.br (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.