# What does Passle Ltd use?

Passle Ltd (passle.net) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Software
- Size: 11–50 employees
- Based in: London, United Kingdom
- Founded: 2012
- LinkedIn: https://www.linkedin.com/company/passle

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | Email records |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain |  |
| [Campaign Monitor](https://www.runsonwhat.com/reverse/campaign-monitor) | Marketing | Email records |  |
| [Circle](https://www.runsonwhat.com/reverse/circle) | Support & Docs | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [Postman](https://www.runsonwhat.com/reverse/postman) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Passle use?

As of November 2026, runsonwhat has found 12 tools at Passle (passle.net) in public records. Edge & Hosting: Amazon Web Services and Amazon Route 53. Go-to-market: Zoho, Zendesk and Campaign Monitor. Company Ops: Google Workspace, Let's Encrypt and Postmark. Last checked November 10, 2026.

### What cloud does Passle run on?

Passle uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 147,630 companies runsonwhat tracks.

### What CRM does Passle use?

Passle uses Zoho for its CRM, according to runsonwhat (November 2026). runsonwhat found Zoho through email records that authorize Zoho. Zoho is used by 65,482 companies runsonwhat tracks.

### What email provider does Passle use?

Passle uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 421,855 companies runsonwhat tracks.

### What does Passle use for customer support?

Passle uses Zendesk for customer support and documentation, alongside Circle, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 43,775 companies runsonwhat tracks.

### What marketing software does Passle use?

Passle uses Campaign Monitor for marketing, according to runsonwhat (November 2026). runsonwhat found Campaign Monitor through email records that authorize Campaign Monitor. Campaign Monitor is used by 8,974 companies runsonwhat tracks.

### Does Passle use Amazon Route 53?

Yes. runsonwhat found Amazon Route 53 at Passle through DNS records that point at Amazon Route 53. Amazon Route 53 is a DNS tool used by 89,064 companies runsonwhat tracks.

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

The companies with the stacks most like Passle's are Coinpanel, Kelp.app, Surfer and Vantage Forward, according to runsonwhat (November 2026). Each shares 3 to 4 tools with Passle, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Passle uses?

runsonwhat reads public records only. Of the 12 tools at Passle, 5 were found through DNS records, 4 through email records and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and passle.net about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/passle.net (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.
