# What does The Arc Companies LLC use?

The Arc Companies LLC (arcny.com) shows public evidence of 6 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Real Estate
- Size: 11–50 employees
- Based in: New York, United States
- Founded: 1992
- LinkedIn: https://www.linkedin.com/company/the-arc-companies-llc

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Perplexity](https://www.runsonwhat.com/reverse/perplexity) | AI | DNS verification records |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Affinity](https://www.runsonwhat.com/reverse/affinity) | Sales & CRM | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |

## FAQ

### What tools does The Arc Companies use?

As of October 2026, runsonwhat has found 6 tools at The Arc Companies (arcny.com) in public records. Application: jQuery and Perplexity. Data & Observability: Google Analytics. Go-to-market: Affinity. Company Ops: Microsoft 365 and Mimecast. Last checked October 20, 2026.

### What CRM does The Arc Companies use?

The Arc Companies uses Affinity for its CRM, according to runsonwhat (October 2026). runsonwhat found Affinity through a DNS verification record for Affinity. Affinity is used by 29 companies runsonwhat tracks.

### What email provider does The Arc Companies use?

The Arc Companies uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 712,508 companies runsonwhat tracks.

### What analytics tools does The Arc Companies use?

The Arc Companies uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on arcny.com. Google Analytics is used by 882,875 companies runsonwhat tracks.

### Does The Arc Companies use jQuery?

Yes. runsonwhat found jQuery at The Arc Companies through jQuery code on arcny.com. jQuery is a Frontend tool used by 917,742 companies runsonwhat tracks.

### Does The Arc Companies use AI tools?

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

### Which companies have a tech stack similar to The Arc Companies's?

The companies with the stacks most like The Arc Companies' are Venrock, Andreessen Horowitz, HPI Real Estate Services & Investments and Tishman Speyer, according to runsonwhat (October 2026). Each shares 4 to 5 tools with The Arc Companies, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what The Arc Companies uses?

runsonwhat reads public records only. Of the 6 tools at The Arc Companies, 2 were found through code on arcny.com, 2 through email records and 2 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and arcny.com about monthly.


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