---
title: "TETRAHEDRON LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/07cb81cb-2ba2-5043-855e-41c0e165d02c
json: https://whiteintel.dev/api/public/dossier/07cb81cb-2ba2-5043-855e-41c0e165d02c
identifier: oo:GB-COH-05034540
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TETRAHEDRON LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-05034540`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/07cb81cb-2ba2-5043-855e-41c0e165d02c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/07cb81cb-2ba2-5043-855e-41c0e165d02c  

## Ownership & control

### Owners / controllers

- **Mr Mark Rutherford** (beneficial owner) — 50% — https://whiteintel.dev/entity/c37b1a3f-5df8-529c-b1e0-e6dd1590c9dc
- **Miss Kathryn Elizabeth Rimmer** (beneficial owner) — 50% — https://whiteintel.dev/entity/7bbeec43-d62b-5066-b903-cc5b65e22d63
- **Miss Kathryn Elizabeth Rimmer** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/febc3354-904b-4326-97fb-104a26413e04
- **Mr Mark Rutherford** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/794d9f9e-6f97-4793-8237-30dc41f533fc

### 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:** `05034540`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2004-02-04
- **Registered office:** Suite 5, 1st Floor Martland Mill, Mart Lane, Burscough, Lancashire, L40 0SD
- **SIC:** 74909

### Officers

- RUTHERFORD, Mark — secretary · appointed 2010-04-16
- RUTHERFORD, Mark — director · British · appointed 2004-02-04
- RUTHERFORD, Anna — secretary · British · appointed 2004-02-04 · resigned 2010-04-16
- RIMMER, Kenneth William — director · British · appointed 2007-01-25 · resigned 2026-02-09

### Beneficial owners (Persons with Significant Control)

- Mr Mark Rutherford — 25–50% shares · individual PSC · England — since 2016-04-06
- Miss Kathryn Elizabeth Rimmer — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05034540
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/05034540

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TETRAHEDRON LIMITED**. Human view: https://whiteintel.dev/entity/07cb81cb-2ba2-5043-855e-41c0e165d02c · Structured JSON: https://whiteintel.dev/api/public/dossier/07cb81cb-2ba2-5043-855e-41c0e165d02c._

_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"._