---
title: "SIGMAE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2856d50d-d3cc-5d7b-9722-dfdfabcf862b
json: https://whiteintel.dev/api/public/dossier/2856d50d-d3cc-5d7b-9722-dfdfabcf862b
identifier: oo:GB-COH-12359421
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIGMAE LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-12359421`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2856d50d-d3cc-5d7b-9722-dfdfabcf862b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2856d50d-d3cc-5d7b-9722-dfdfabcf862b  

## Ownership & control

### Owners / controllers

- **Miss Heather Lorraine Threlfall** (beneficial owner) — 100% — https://whiteintel.dev/entity/aa95e783-041d-5c87-8871-e81da050cc7f
- **Miss Heather Lorraine Threlfall** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8e913b7e-ff24-45d5-a7c8-6ededb9a6c63

### 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:** `12359421`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-12-11
- **Registered office:** 16 Carlton Avenue, Broadstairs, CT10 1AG, England
- **SIC:** 69201, 69202, 69203

### Officers

- THRELFALL, Heather Lorraine — director · British · appointed 2019-12-11

### Beneficial owners (Persons with Significant Control)

- Miss Heather Lorraine Threlfall — 75–100% shares · individual PSC · England — since 2019-12-11

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12359421
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12359421

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIGMAE LIMITED**. Human view: https://whiteintel.dev/entity/2856d50d-d3cc-5d7b-9722-dfdfabcf862b · Structured JSON: https://whiteintel.dev/api/public/dossier/2856d50d-d3cc-5d7b-9722-dfdfabcf862b._

_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"._