# What does Stack Technologies use?

Stack Technologies (redtransact.com) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-11-05).

- Industry: IT Services
- Size: 11–50 employees
- Based in: Stowmarket, United Kingdom
- Founded: 2012
- LinkedIn: https://www.linkedin.com/company/stacktechnologiesltd

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | 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 | DNS verification records, Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |

## FAQ

### What tools does Stack Technologies use?

As of November 2026, runsonwhat has found 8 tools at Stack Technologies (redtransact.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Data & Observability: Google Analytics. Go-to-market: Zoho and Calendly. Company Ops: Microsoft 365 and SendGrid. Last checked November 5, 2026.

### What cloud does Stack Technologies run on?

Stack Technologies uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Google Cloud through Google Cloud code on redtransact.com. Google Cloud is used by 77,240 companies runsonwhat tracks.

### What CRM does Stack Technologies use?

Stack Technologies uses Zoho for its CRM, alongside Calendly, according to runsonwhat (November 2026). runsonwhat found Zoho through a subdomain that points at Zoho. Zoho is used by 64,081 companies runsonwhat tracks.

### What email provider does Stack Technologies use?

Stack Technologies uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 724,287 companies runsonwhat tracks.

### What analytics tools does Stack Technologies use?

Stack Technologies uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on redtransact.com. Google Analytics is used by 906,280 companies runsonwhat tracks.

### Does Stack Technologies use Cloudflare?

Yes. runsonwhat found Cloudflare at Stack Technologies through DNS records that point at Cloudflare. Cloudflare is a CDN & Edge tool used by 727,841 companies runsonwhat tracks.

### How does runsonwhat know what Stack Technologies uses?

runsonwhat reads public records only. Of the 8 tools at Stack Technologies, 3 were found through code on redtransact.com, 2 through DNS records, 1 through website configuration files, 1 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 redtransact.com about monthly.


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