runsonwhat

City Computing Limited's tech stack

What does City Computing Limited use?

City Computing Limited (citycomputing.com) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery and Let's Encrypt for security. Last checked .

Industry
IT Services
Size
11–50 employees
Based in
Hong Kong SAR China
Founded
1993
LinkedIn
Company page
Tools found
7
Categories
3
Layers
2 of 5
Last checked
Oct 2026

City Computing Limited's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

1 tool, where the bytes are served from

CDN & Edge

Company Ops

6 tools, what the team runs on day to day

City Computing Limited tech stack FAQ

What tools does City Computing use?

As of October 2026, runsonwhat has found 7 tools at City Computing (citycomputing.com) in public records. Edge & Hosting: Cloudflare. Company Ops: Microsoft 365, Let's Encrypt and GlobalSign. Last checked October 23, 2026.

What email provider does City Computing use?

City Computing 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 713,678 companies runsonwhat tracks.

Does City Computing use Cloudflare?

Yes. runsonwhat found Cloudflare at City Computing through DNS records that point at Cloudflare. Cloudflare is a CDN & Edge tool used by 706,537 companies runsonwhat tracks.

How does runsonwhat know what City Computing uses?

runsonwhat reads public records only. Of the 7 tools at City Computing, 6 were found through DNS records, 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and citycomputing.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.