---
title: "SERIOUS MEDIA LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7bde2e7b-ca59-59d3-b64e-ff7cf09a5ecf
json: https://whiteintel.dev/api/public/dossier/7bde2e7b-ca59-59d3-b64e-ff7cf09a5ecf
identifier: oo:GB-COH-03661135
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SERIOUS MEDIA LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03661135`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7bde2e7b-ca59-59d3-b64e-ff7cf09a5ecf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7bde2e7b-ca59-59d3-b64e-ff7cf09a5ecf  

## Ownership & control

### Owners / controllers

- **Ms Gillian Ruth Tinklin** (beneficial owner) — 100% — https://whiteintel.dev/entity/d6938ab2-5f57-5aa1-93d2-1e3eebc997d5
- **Ms Gillian Ruth Tinklin** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/34fdd8c1-af82-484e-b27a-e9a6f623b0bd

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

A **2-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:** `03661135`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1998-11-04
- **Registered office:** 29 Browfield Terrace, Silsden, Keighley, BD20 9PJ, England
- **SIC:** 59112

### Officers

- TINKLIN, Gillian Ruth — director · British · appointed 1998-11-09
- SANDELL, Julian — secretary · British · appointed 1998-11-04 · resigned 2014-11-03
- FORM 10 SECRETARIES FD LTD — corporate nominee secretary · appointed 1998-11-04 · resigned 1998-11-04
- FORM 10 DIRECTORS FD LTD — corporate nominee director · appointed 1998-11-04 · resigned 1998-11-04

### Beneficial owners (Persons with Significant Control)

- Ms Gillian Ruth Tinklin — 75–100% shares · individual PSC · England — since 2016-11-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03661135
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03661135

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SERIOUS MEDIA LIMITED**. Human view: https://whiteintel.dev/entity/7bde2e7b-ca59-59d3-b64e-ff7cf09a5ecf · Structured JSON: https://whiteintel.dev/api/public/dossier/7bde2e7b-ca59-59d3-b64e-ff7cf09a5ecf._

_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"._