# What does Boom GmbH use?

Boom GmbH (boom.de) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-06).

- Industry: Marketing and Advertising
- Size: 11–50 employees
- Based in: Hamburg, Germany
- Founded: 2009
- LinkedIn: https://www.linkedin.com/company/boom-gmbh

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code |  |
| [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain |  |
| [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification 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 |  |
| [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records |  |
| [CCM19](https://www.runsonwhat.com/reverse/ccm19) | Security & Compliance | Website code |  |

## FAQ

### What tools does Boom use?

As of November 2026, runsonwhat has found 12 tools at Boom (boom.de) in public records. Application: OpenAI. Go-to-market: Mailchimp, Shopify and Calendly. Company Ops: Microsoft 365, Apple Business and Let's Encrypt. Last checked November 6, 2026.

### What sales tools does Boom use?

The sales tools runsonwhat has found at Boom are Calendly (November 2026); no CRM shows up in Boom's public records. runsonwhat found Calendly through Calendly code on boom.de. Calendly is used by 31,508 companies runsonwhat tracks.

### What email provider does Boom use?

Boom uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 734,044 companies runsonwhat tracks.

### What is Boom's website built with?

Boom uses Shopify for its website, according to runsonwhat (November 2026). runsonwhat found Shopify through a subdomain that points at Shopify. Shopify is used by 61,476 companies runsonwhat tracks.

### What marketing software does Boom use?

Boom uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through Mailchimp code on boom.de. Mailchimp is used by 119,024 companies runsonwhat tracks.

### Does Boom use Let's Encrypt?

Yes. runsonwhat found Let's Encrypt at Boom through DNS records that point at Let's Encrypt. Let's Encrypt is a Security & Compliance tool used by 59,463 companies runsonwhat tracks.

### Does Boom use AI tools?

Yes. runsonwhat has found OpenAI at Boom; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Boom may use more AI tools than these.

### Which companies have a tech stack similar to Boom's?

The companies with the stacks most like Boom's are Echopark Produktionsgesellschaft mbH, S3 Advertising, KIWI. Werbeagentur and Thomas Treude, according to runsonwhat (November 2026). Each shares 1 to 6 tools with Boom, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Boom uses?

runsonwhat reads public records only. Of the 12 tools at Boom, 6 were found through DNS records, 3 through code on boom.de, 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 boom.de about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/boom.de (updated November 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.