---
title: "SLSM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/626a959a-b01b-5e22-990d-e00e65cf3dde
json: https://whiteintel.dev/api/public/dossier/626a959a-b01b-5e22-990d-e00e65cf3dde
identifier: oo:GB-COH-13037513
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SLSM LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-13037513`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/626a959a-b01b-5e22-990d-e00e65cf3dde  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/626a959a-b01b-5e22-990d-e00e65cf3dde  

## Ownership & control

### Owners / controllers

- **Mr Samuel Lee Sowden-Mardell** (beneficial owner) — 50% — https://whiteintel.dev/entity/5e29cb09-2f16-564e-b452-0b4f9f946c59
- **Ms Joanne Elizabeth Mary Mardell** (beneficial owner) — 50% — https://whiteintel.dev/entity/a3506cc0-e2cb-5794-803c-1f0ced350997
- **Ms Joanne Elizabeth Mary Mardell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/28201a0d-c684-4cb6-80df-596b8221ab0d
- **Mr Samuel Lee Sowden-Mardell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/24ce7707-40d6-4760-b697-7b5a9371bda2

### 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:** `13037513`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-11-23
- **Registered office:** 1 Colleton Crescent, Exeter, EX2 4DG, United Kingdom
- **SIC:** 68209

### Officers

- MARDELL, Joanne Elizabeth Mary — director · British · appointed 2020-11-23
- SOWDEN-MARDELL, Samuel Lee — director · British · appointed 2020-11-23

### Beneficial owners (Persons with Significant Control)

- Mr Samuel Lee Sowden-Mardell — 25–50% shares · individual PSC · United Kingdom — since 2020-11-23
- Ms Joanne Elizabeth Mary Mardell — 25–50% shares · individual PSC · United Kingdom — since 2020-11-23

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13037513
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13037513

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SLSM LIMITED**. Human view: https://whiteintel.dev/entity/626a959a-b01b-5e22-990d-e00e65cf3dde · Structured JSON: https://whiteintel.dev/api/public/dossier/626a959a-b01b-5e22-990d-e00e65cf3dde._

_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"._