---
title: "3i Infrastructure Plc — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cdcafcb1-bc56-5124-81f0-7efe973b4598
json: https://whiteintel.dev/api/public/dossier/cdcafcb1-bc56-5124-81f0-7efe973b4598
identifier: oo:GB-COH-04015401
risk: Low
source: WhiteIntel corporate-ownership graph
---

# 3i Infrastructure Plc

**Type:** Company  
**Identifier:** `oo:GB-COH-04015401`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cdcafcb1-bc56-5124-81f0-7efe973b4598  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cdcafcb1-bc56-5124-81f0-7efe973b4598  

## Ownership & control

### Owners / controllers

- **3I INVESTMENTS PLC** (beneficial owner) — https://whiteintel.dev/entity/2e5d6cc9-f5a8-5b50-ac1d-bb02eea9b946
- **Tampnet Uk Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/20a60c6f-0f2a-4c96-be14-d28556c7c87a
- **3i Infrastructure Plc** (beneficial owner) — https://whiteintel.dev/entity/e160e33f-5fd5-4d0c-8fed-f461cb04b363
- **3I INVESTMENTS PLC** (beneficial owner) — https://whiteintel.dev/entity/2e5d6cc9-f5a8-5b50-ac1d-bb02eea9b946

### UBO chain (walk to the ultimate owner)

A **35-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04015401

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **3i Infrastructure Plc**. Human view: https://whiteintel.dev/entity/cdcafcb1-bc56-5124-81f0-7efe973b4598 · Structured JSON: https://whiteintel.dev/api/public/dossier/cdcafcb1-bc56-5124-81f0-7efe973b4598._

_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"._