---
title: "TAMPNET UK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bfb1081e-e3ad-5ba1-bef9-3d3169c855d2
json: https://whiteintel.dev/api/public/dossier/bfb1081e-e3ad-5ba1-bef9-3d3169c855d2
identifier: oo:GB-COH-08979990
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TAMPNET UK LIMITED

**Type:** Company  
**Identifier:** `oo:GB-COH-08979990`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bfb1081e-e3ad-5ba1-bef9-3d3169c855d2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bfb1081e-e3ad-5ba1-bef9-3d3169c855d2  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Tampnet Uk Limited** — source · `gb-coh:8979990` — https://whiteintel.dev/entity/20a60c6f-0f2a-4c96-be14-d28556c7c87a
- **TAMPNET UK LIMITED** — GLEIF · `lei:213800Z8CCUPMC4BSL90` — https://whiteintel.dev/entity/7c5c4ff6-c8ab-5091-998b-1a397c49fc99

## Ownership & control

### Owners / controllers

- **COLOMBO BIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b70f5c65-feb7-5b96-949a-eb2115479892
- **3I INVESTMENTS PLC** (beneficial owner) — https://whiteintel.dev/entity/2e5d6cc9-f5a8-5b50-ac1d-bb02eea9b946
- **3i Infrastructure Plc** (beneficial owner) — https://whiteintel.dev/entity/e160e33f-5fd5-4d0c-8fed-f461cb04b363

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

A **31-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.

## Company profile (live · UK Companies House)

- **Company number:** `08979990`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2014-04-04
- **Registered office:** 1 PARK ROW, LEEDS, LS1 5AB
- **SIC:** 61900 - Other telecommunications activities

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08979990
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08979990

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TAMPNET UK LIMITED**. Human view: https://whiteintel.dev/entity/bfb1081e-e3ad-5ba1-bef9-3d3169c855d2 · Structured JSON: https://whiteintel.dev/api/public/dossier/bfb1081e-e3ad-5ba1-bef9-3d3169c855d2._

_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"._