# What does Halo eSIM Ltd use?

Halo eSIM Ltd (haloesim.com) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-04).

- Industry: Telecommunications
- Based in: London, United Kingdom
- Founded: 2023

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |

## Recent changes at Halo eSIM Ltd

- 2026-11-04: started using [Apple Business](https://www.runsonwhat.com/reverse/apple)
- 2026-11-04: started using again [Google Search Console](https://www.runsonwhat.com/reverse/gsc)
- 2026-11-04: started using again [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel)
- 2026-11-04: stopped using [PostHog](https://www.runsonwhat.com/reverse/posthog)
- 2026-10-30: stopped using [Google Search Console](https://www.runsonwhat.com/reverse/gsc)
- 2026-10-30: stopped using [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel)

## FAQ

### What tools does Halo eSIM use?

As of November 2026, runsonwhat has found 12 tools at Halo eSIM (haloesim.com) in public records. Edge & Hosting: Cloudflare. Application: Astro. Go-to-market: Meta Pixel. Company Ops: Google Workspace, Apple Business and Let's Encrypt. Last checked November 4, 2026.

### What email provider does Halo eSIM use?

Halo eSIM uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 416,961 companies runsonwhat tracks.

### Does Halo eSIM use Cloudflare?

Yes. runsonwhat found Cloudflare at Halo eSIM through DNS records that point at Cloudflare and code on haloesim.com. Cloudflare is a CDN & Edge tool used by 730,095 companies runsonwhat tracks.

### Has Halo eSIM changed tools recently?

Yes. On runsonwhat's rechecks, Halo eSIM started using Apple Business, Google Search Console and Meta Pixel (latest on November 4, 2026) and stopped using PostHog, Google Search Console and Meta Pixel (latest on November 4, 2026). A change counts only between two checks of haloesim.com done the same way.

### How does runsonwhat know what Halo eSIM uses?

runsonwhat reads public records only. Of the 12 tools at Halo eSIM, 8 were found through DNS records, 2 through email records, 1 through website configuration files and 1 through code on haloesim.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and haloesim.com about monthly.


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