# What does C4 Light use?

C4 Light (c4studios.com) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-06).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Brooklyn, United States
- Founded: 1997
- LinkedIn: https://www.linkedin.com/company/c4-light

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | Support & Docs | Website code |  |

## 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 |  |

## FAQ

### What tools does C4 Light use?

As of October 2026, runsonwhat has found 9 tools at C4 Light (c4studios.com) in public records. Application: Google Fonts. Data & Observability: Google Analytics and Microsoft Clarity. Go-to-market: WhatsApp Business. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 6, 2026.

### What email provider does C4 Light use?

C4 Light 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 694,677 companies runsonwhat tracks.

### What does C4 Light use for customer support?

C4 Light uses WhatsApp Business for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on c4studios.com. WhatsApp Business is used by 132,149 companies runsonwhat tracks.

### What analytics tools does C4 Light use?

C4 Light uses Google Analytics for analytics, alongside Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on c4studios.com. Google Analytics is used by 841,270 companies runsonwhat tracks.

### Does C4 Light use Google Fonts?

Yes. runsonwhat found Google Fonts at C4 Light through Google Fonts code on c4studios.com. Google Fonts is a Media & UI tool used by 783,681 companies runsonwhat tracks.

### How does runsonwhat know what C4 Light uses?

runsonwhat reads public records only. Of the 9 tools at C4 Light, 4 were found through code on c4studios.com, 2 through DNS records, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and c4studios.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/c4studios.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.