---
title: "TANDEM MARKETING WORLDWIDE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a8408e26-e951-53ad-9795-e1919467e226
json: https://whiteintel.dev/api/public/dossier/a8408e26-e951-53ad-9795-e1919467e226
identifier: oo:GB-COH-15609364
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TANDEM MARKETING WORLDWIDE LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15609364`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a8408e26-e951-53ad-9795-e1919467e226  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a8408e26-e951-53ad-9795-e1919467e226  

## Ownership & control

### Owners / controllers

- **Ms Natalie Amy Lisa Yalden** (beneficial owner) — 50% — https://whiteintel.dev/entity/51270ba3-3dea-557d-af19-97ca38936e2f
- **Ms Fiona Mary Somerville** (beneficial owner) — 50% — https://whiteintel.dev/entity/a73c07ac-1cc9-56b2-bf16-c14a5336c1af
- **Miss Rona Christina Kelly** (beneficial owner) — 50% — https://whiteintel.dev/entity/9068b673-6ba8-573d-9065-63cffbb2aa70
- **GINKGO STUDIO LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/42e8bec5-138f-5802-b01c-1bfc34873e06
- **NATALIE YALDEN MARKETING LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/4758f90b-4167-5be7-9187-5397675c7c07
- **RONA KELLY DIGITAL LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/15ccf009-748d-5a23-9f85-d15346006f7e

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

1. **Ms Natalie Amy Lisa Yalden** — beneficial owner 50% → *TANDEM MARKETING WORLDWIDE LIMITED*
1. **Ms Fiona Mary Somerville** — beneficial owner 50% → *TANDEM MARKETING WORLDWIDE LIMITED*
1. **Miss Rona Christina Kelly** — beneficial owner 50% → *TANDEM MARKETING WORLDWIDE LIMITED*
1. **GINKGO STUDIO LIMITED** — beneficial owner 50% → *TANDEM MARKETING WORLDWIDE LIMITED*
1. **NATALIE YALDEN MARKETING LIMITED** — beneficial owner 50% → *TANDEM MARKETING WORLDWIDE LIMITED*
1. **RONA KELLY DIGITAL LIMITED** — beneficial owner 50% → *TANDEM MARKETING WORLDWIDE LIMITED*
2. **Miss Rona Christina Kelly** — beneficial owner 100% → *RONA KELLY DIGITAL LIMITED*
2. **Miss Rona Christina Kelly** — beneficial owner 87.5% → *RONA KELLY DIGITAL LIMITED*
2. **Ms Fiona Mary Somerville** — beneficial owner 100% → *GINKGO STUDIO LIMITED*
2. **Ms Natalie Amy Lisa Yalden** — beneficial owner 100% → *NATALIE YALDEN MARKETING LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `15609364`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-04-02
- **Registered office:** Second Floor, Kirkland House, 11-15 Peterborough Road, Harrow, Middlesex, HA1 2AX, United Kingdom
- **SIC:** 73200, 74909

### Officers

- KELLY, Rona Christina — director · Irish · appointed 2024-04-02
- SOMERVILLE, Fiona Mary — director · British · appointed 2024-04-02
- YALDEN, Natalie Amy Lisa — director · British · appointed 2024-04-02

### Beneficial owners (Persons with Significant Control)

- Ms Natalie Amy Lisa Yalden — 25–50% shares · individual PSC · United Kingdom — since 2024-05-09
- Ms Fiona Mary Somerville — 25–50% shares · individual PSC · United Kingdom — since 2024-05-09
- Miss Rona Christina Kelly — 25–50% shares · individual PSC · United Kingdom — since 2024-05-09
- [Ginkgo Studio Limited](https://whiteintel.dev/entity/42e8bec5-138f-5802-b01c-1bfc34873e06) — 25–50% shares · corporate PSC · England — ceased 2024-05-09
- [Natalie Yalden Marketing Limited](https://whiteintel.dev/entity/4758f90b-4167-5be7-9187-5397675c7c07) — 25–50% shares · corporate PSC · England — ceased 2024-05-09
- [Rona Kelly Digital Limited](https://whiteintel.dev/entity/15ccf009-748d-5a23-9f85-d15346006f7e) — 25–50% shares · corporate PSC · England — ceased 2024-05-09

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15609364

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TANDEM MARKETING WORLDWIDE LIMITED**. Human view: https://whiteintel.dev/entity/a8408e26-e951-53ad-9795-e1919467e226 · Structured JSON: https://whiteintel.dev/api/public/dossier/a8408e26-e951-53ad-9795-e1919467e226._

_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"._