Callosum

The Intelligent Systems Company. Co-evolving chips & intelligence.

Latest funding

Seed · August 20, 2026

Amount not disclosed in a source on record.

Website: callosum.com.

X: @CallosumAI · 2,406 followers.

LinkedIn: callosumtechnologies.

Category: AI infrastructure and compute.

Sectors: AI.

Subcategory: artificial intelligence.

Stage: Seed.

Based in: London, United Kingdom.

Founded: 2024.

Last round: Aug 20, 2026 · 84 days ago.

On Recent Funding since: Aug 20, 2026.

Signals

X account@CallosumAI · created Feb 13, 2026 (9 months old) · 2,406 followers

Website registeredAug 19, 2002 (24 years old)

August 20, 2026
Seed · amount undisclosed
AAtomico, DDCVC, PPlural, PPlural Platform, UUK Sovereign AI
February 13, 2026
X account created
2024
EEntrepreneur First · batch
Source: joinef.com
August 19, 2002
Website created

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/callosum (get a free API key).