---
title: "SPHERETECH LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/62fb2fc2-bbc8-50e5-9db4-7fb5bded3264
json: https://whiteintel.dev/api/public/dossier/62fb2fc2-bbc8-50e5-9db4-7fb5bded3264
identifier: oo:GB-COH-09310194
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SPHERETECH LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-09310194`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/62fb2fc2-bbc8-50e5-9db4-7fb5bded3264  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/62fb2fc2-bbc8-50e5-9db4-7fb5bded3264  

## Ownership & control

### Owners / controllers

- **Mr Marc Knibbs** (beneficial owner) — 75% — https://whiteintel.dev/entity/6cddf00a-3b04-5811-a06b-b29272bbe386
- **Mr Simon James Wheeler** (beneficial owner) — 50% — https://whiteintel.dev/entity/506e529c-3fd2-59a2-bb8f-4265f4040719

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

1. **Mr Marc Knibbs** — beneficial owner 75% → *SPHERETECH LIMITED*
1. **Mr Simon James Wheeler** — beneficial owner 50% → *SPHERETECH LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `09310194`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2014-11-13
- **Registered office:** Pacioli House 9 Brookfield, Duncan Close,  Moulton Park, Northampton, NN3 6WL
- **SIC:** 43220

### Officers

- KNIBBS, David Leslie — director · British · appointed 2014-11-13
- KNIBBS, Marc — director · British · appointed 2015-02-09

### Beneficial owners (Persons with Significant Control)

- [Amberstone Sterling Holdings Limited](https://whiteintel.dev/entity/22311c87-1d1a-4e14-87ff-c7cddec0255b) — 75–100% shares · corporate PSC · United Kingdom — since 2025-12-18
- Mr Marc Knibbs — 50–75% shares · individual PSC · United Kingdom — ceased 2025-12-18
- Mr Simon James Wheeler — 25–50% shares · individual PSC · United Kingdom — ceased 2025-12-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09310194

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SPHERETECH LIMITED**. Human view: https://whiteintel.dev/entity/62fb2fc2-bbc8-50e5-9db4-7fb5bded3264 · Structured JSON: https://whiteintel.dev/api/public/dossier/62fb2fc2-bbc8-50e5-9db4-7fb5bded3264._

_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"._