# What does FAC Services, LLC use?

FAC Services, LLC (facfin.com) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-16).

- Industry: IT Services
- Size: 51–200 employees
- Based in: Madison, United States
- Founded: 1985
- LinkedIn: https://www.linkedin.com/company/fac-services-llc

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Custom domain, DNS records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records |  |
| [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [GoTo](https://www.runsonwhat.com/reverse/goto) | Collaboration | DNS verification records |  |
| [Foxit](https://www.runsonwhat.com/reverse/foxit) | Collaboration | DNS verification records |  |
| [Postman](https://www.runsonwhat.com/reverse/postman) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does FAC Services use?

As of October 2026, runsonwhat has found 10 tools at FAC Services (facfin.com) in public records. Go-to-market: Squarespace. Company Ops: Microsoft 365, Atlassian and KnowBe4. Last checked October 16, 2026.

### What email provider does FAC Services use?

FAC Services uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 709,013 companies runsonwhat tracks.

### What is FAC Services's website built with?

FAC Services uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace and DNS records. Squarespace is used by 33,536 companies runsonwhat tracks.

### Does FAC Services use Atlassian?

Yes. runsonwhat found Atlassian at FAC Services through a DNS verification record for Atlassian. Atlassian is a Dev Tools tool used by 65,824 companies runsonwhat tracks.

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

The companies with the stacks most like FAC Services' are GeoX AI, Visionet Systems, Telemattica and Societyone, according to runsonwhat (October 2026). Each shares 2 to 4 tools with FAC Services, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what FAC Services uses?

runsonwhat reads public records only. Of the 10 tools at FAC Services, 7 were found through DNS records, 2 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 facfin.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/facfin.com (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.