21 Holdings
Subscription-licensed branded marketing software for businesses
Highlights
- New on EvolcAdded 2026-11-05
About 21 Holdings
21 Holdings builds branded software, primarily in marketing technology, and licenses its products to companies on a subscription basis.
The company owns its products, companies and intellectual property. It is registered in London, United Kingdom, and was founded in 2017.
Product: Branded software products, primarily for marketing technology, licensed on a subscription basis.
Jobs at 21 Holdings
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Frontend frameworks
- Next.jsHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Website resourcedeclared script/iframe or software asset
- ReactMedium confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Related technologyimplied by Next.js
Hosting
- VercelHigh confidence
- First detected
- Last detected
- Last checked
Detection evidence
- Response headerx-vercel-id
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.