---
title: "VISTAR MEDIA UK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8fe845f1-859e-55f3-8bac-eacad91f4d0d
json: https://whiteintel.dev/api/public/dossier/8fe845f1-859e-55f3-8bac-eacad91f4d0d
identifier: oo:GB-COH-10874227
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# VISTAR MEDIA UK LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10874227`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8fe845f1-859e-55f3-8bac-eacad91f4d0d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8fe845f1-859e-55f3-8bac-eacad91f4d0d  

## Ownership & control

### Owners / controllers

- **Mark Cassidy Chadwick** (beneficial owner) — 50% — https://whiteintel.dev/entity/44b7567b-da2a-5a28-9b40-06f92547257d
- **Mark Cassidy Chadwick** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7c204e0f-3f04-46a0-b8d6-fd11d009ce3d
- **Michael Louis Provenzano** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/8dfbba21-1e82-4cc5-b79d-924fbbe58975
- **T-Mobile Us, Inc.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0692db3c-4701-460d-92ae-b6e3da682450

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

A **4-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:** `10874227`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-07-19
- **Registered office:** 1st Floor West Davidson House, Forbury Square, Reading, Berkshire, RG1 3EU, United Kingdom
- **SIC:** 62012, 62020, 62090

### Officers

- PROVENZANO, Michael Louis — director · American · appointed 2017-07-19

### Beneficial owners (Persons with Significant Control)

- [T-Mobile Us, Inc.](https://whiteintel.dev/entity/0692db3c-4701-460d-92ae-b6e3da682450) — 75–100% shares · corporate PSC · United States — since 2025-05-13
- Mark Cassidy Chadwick — 25–50% shares · individual PSC · United States — ceased 2025-05-13
- Michael Louis Provenzano — 25–50% shares · individual PSC · United States — ceased 2025-05-13

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10874227
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10874227

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **VISTAR MEDIA UK LIMITED**. Human view: https://whiteintel.dev/entity/8fe845f1-859e-55f3-8bac-eacad91f4d0d · Structured JSON: https://whiteintel.dev/api/public/dossier/8fe845f1-859e-55f3-8bac-eacad91f4d0d._

_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"._