# What does Síminn use?

Síminn (siminn.is) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Mobile Phone
- Based in: Iceland
- Founded: 1906

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Status.io](https://www.runsonwhat.com/reverse/statusio) | Monitoring | Custom domain |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code |  |
| [Sanity](https://www.runsonwhat.com/reverse/sanity) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | DNS verification records, Email records, Website code |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Síminn use?

As of October 2026, runsonwhat has found 17 tools at Síminn (siminn.is) in public records. Edge & Hosting: Amazon Web Services. Application: React, Tailwind CSS and Next.js. Data & Observability: Status.io. Go-to-market: Meta Pixel, Mailchimp and Salesforce. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 9, 2026.

### What cloud does Síminn run on?

Síminn uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on siminn.is. Amazon Web Services is used by 144,835 companies runsonwhat tracks.

### What CRM does Síminn use?

Síminn uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on siminn.is. Salesforce is used by 33,472 companies runsonwhat tracks.

### What email provider does Síminn use?

Síminn uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 701,682 companies runsonwhat tracks.

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

Síminn uses Sanity for its website, according to runsonwhat (October 2026). runsonwhat found Sanity through Sanity code on siminn.is. Sanity is used by 4,698 companies runsonwhat tracks.

### What marketing software does Síminn use?

Síminn uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,159 companies runsonwhat tracks.

### Does Síminn use Meta Pixel?

Yes. runsonwhat found Meta Pixel at Síminn through a DNS verification record for Meta Pixel. Meta Pixel is a Ads & Pixels tool used by 383,527 companies runsonwhat tracks.

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

The companies with the stacks most like Síminn's are Planet Labs PBC, Unity Software, Esure and MaxMind, according to runsonwhat (October 2026). Each shares 2 to 11 tools with Síminn, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Síminn uses?

runsonwhat reads public records only. Of the 17 tools at Síminn, 8 were found through DNS records, 4 through code on siminn.is, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and siminn.is about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/siminn.is (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.