---
title: "December 2015 Software Limited — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e811ae3a-e585-4c97-8a13-d9e375cbb522
json: https://whiteintel.dev/api/public/dossier/e811ae3a-e585-4c97-8a13-d9e375cbb522
identifier: psc:p73atRiRSHYuj77qmO55NIAv3vA
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# December 2015 Software Limited

**Type:** Organization  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:p73atRiRSHYuj77qmO55NIAv3vA`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e811ae3a-e585-4c97-8a13-d9e375cbb522  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e811ae3a-e585-4c97-8a13-d9e375cbb522  

## Ownership & control

### Holdings / subsidiaries

- **Altair Engineering Inc** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7ce80962-a7b4-52d1-acc3-51d99098ad6b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **December 2015 Software Limited**. Human view: https://whiteintel.dev/entity/e811ae3a-e585-4c97-8a13-d9e375cbb522 · Structured JSON: https://whiteintel.dev/api/public/dossier/e811ae3a-e585-4c97-8a13-d9e375cbb522._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._