# What does Experius | Now Happy Horizon use?

Experius | Now Happy Horizon (experius.nl) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-23).

- Industry: Internet
- Size: 51–200 employees
- Based in: Utrecht, Netherlands
- Founded: 2008
- LinkedIn: https://www.linkedin.com/company/experius

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | Email records, DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Have I Been Pwned](https://www.runsonwhat.com/reverse/hibp) | Security & Compliance | DNS verification records |  |
| [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Experius | Now Happy Horizon use?

As of October 2026, runsonwhat has found 14 tools at Experius | Now Happy Horizon (experius.nl) in public records. Edge & Hosting: Google Cloud. Go-to-market: Mailchimp and HubSpot. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 23, 2026.

### What cloud does Experius | Now Happy Horizon run on?

Experius | Now Happy Horizon uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 76,131 companies runsonwhat tracks.

### What CRM does Experius | Now Happy Horizon use?

Experius | Now Happy Horizon uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 94,748 companies runsonwhat tracks.

### What email provider does Experius | Now Happy Horizon use?

Experius | Now Happy Horizon uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,062 companies runsonwhat tracks.

### What marketing software does Experius | Now Happy Horizon use?

Experius | Now Happy Horizon uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 116,249 companies runsonwhat tracks.

### Does Experius | Now Happy Horizon use SendGrid?

Yes. runsonwhat found SendGrid at Experius | Now Happy Horizon through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 194,460 companies runsonwhat tracks.

### How does runsonwhat know what Experius | Now Happy Horizon uses?

runsonwhat reads public records only. Of the 14 tools at Experius | Now Happy Horizon, 7 were found through DNS records, 6 through email records 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 experius.nl about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/experius.nl (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.