---
title: "SIGMA-HSE (HOLDING) LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4f37182f-2ab2-5ccb-9573-407c0cbb02f2
json: https://whiteintel.dev/api/public/dossier/4f37182f-2ab2-5ccb-9573-407c0cbb02f2
identifier: oo:GB-COH-08322562
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIGMA-HSE (HOLDING) LTD

**Type:** Company  
**Identifier:** `oo:GB-COH-08322562`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4f37182f-2ab2-5ccb-9573-407c0cbb02f2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4f37182f-2ab2-5ccb-9573-407c0cbb02f2  

## Ownership & control

### Owners / controllers

- **Dr Sampuran Singh** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/28ca8a1c-48b3-4048-b5ca-3dc5463814a2
- **Dalewood Limited** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/ed9e3b6a-ac14-44e1-aaa1-c115ca8a9335
- **Dalewood Limited** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/41e78fd8-358c-5d69-b797-ec8f6fc21e9c

### Holdings / subsidiaries

- **THE ENVIRONMENTAL LABORATORY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9b02216f-fd64-5f9b-999b-22ab61ef5c7d
- **ASCEND 100 (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d1b63642-96f0-409b-9060-82af4e3c0201
- **SIGMA-HSE (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3be94382-65a2-56a5-9fa5-e711a6c89b36

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

A **5-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:** `08322562`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2012-12-07
- **Registered office:** UNIT 2 MOORSIDE POINT, MOORSIDE ROAD, WINCHESTER, HAMPSHIRE, SO23 7RX
- **SIC:** 64209 - Activities of other holding companies n.e.c., 71200 - Technical testing and analysis

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08322562
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08322562

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIGMA-HSE (HOLDING) LTD**. Human view: https://whiteintel.dev/entity/4f37182f-2ab2-5ccb-9573-407c0cbb02f2 · Structured JSON: https://whiteintel.dev/api/public/dossier/4f37182f-2ab2-5ccb-9573-407c0cbb02f2._

_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"._