---
title: "GRAPHENE HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/def78482-95b9-5b6c-bf20-4912ddb1136d
json: https://whiteintel.dev/api/public/dossier/def78482-95b9-5b6c-bf20-4912ddb1136d
identifier: oo:GB-COH-10522821
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GRAPHENE HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10522821`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/def78482-95b9-5b6c-bf20-4912ddb1136d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/def78482-95b9-5b6c-bf20-4912ddb1136d  

## Ownership & control

### Owners / controllers

- **Mr Dennis Stephen Engel** (beneficial owner) — 50% — https://whiteintel.dev/entity/f9fde075-2f50-5745-a4f8-7689bb380808
- **CARBON II BIDCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/73f1ed6a-c97c-5d89-a523-64b70d628401
- **SQUIRE PATTON BOGGS DIRECTORS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/021d5b0d-e5e6-598c-a599-56433753fe9b
- **Mr Dennis Stephen Engel** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ff2541ab-8043-48d5-a93d-c1f6a1b18c6a
- **CARBON II BIDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/73f1ed6a-c97c-5d89-a523-64b70d628401
- **Squire Patton Boggs Directors Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/79670d13-6366-4e8a-af23-fea928061409

### Holdings / subsidiaries

- **INGENUITY DIGITAL LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/bf23eee0-3e7b-54ea-9a3e-73f3d6579351
- **WEBEVENTS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/247fb8b4-66bd-576b-bd47-2f94093f381c
- **WEBEVENTS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/247fb8b4-66bd-576b-bd47-2f94093f381c
- **INGENUITY DIGITAL LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bf23eee0-3e7b-54ea-9a3e-73f3d6579351

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

A **24-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:** `10522821`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-12-13
- **Registered office:** 10 South Parade, Leeds, LS1 5QS, England
- **SIC:** 70100

### Officers

- SPROT, Michael — secretary · appointed 2020-07-01
- SELLERS, Lewis Anton Dean — director · British · appointed 2025-06-20
- SPROT, Michael — director · British · appointed 2020-07-01
- SQUIRE PATTON BOGGS SECRETARIES LIMITED — corporate secretary · appointed 2016-12-13 · resigned 2017-04-13
- BEST, David Martin — director · British · appointed 2017-06-01 · resigned 2021-03-05
- CROSSLEY, Peter Mortimer — director · British · appointed 2016-12-13 · resigned 2017-04-13
- ENGEL, Dennis Stephen — director · British · appointed 2017-06-01 · resigned 2025-02-01
- FENN, Jeremy Mark — director · British · appointed 2017-06-01 · resigned 2021-03-05
- HIGHAM, Lisa Jayne — director · British · appointed 2017-04-13 · resigned 2021-03-05
- WOOD, Benjamin Charles — director · British · appointed 2024-04-17 · resigned 2025-06-20
- [SQUIRE PATTON BOGGS DIRECTORS LIMITED](https://whiteintel.dev/entity/79670d13-6366-4e8a-af23-fea928061409) — corporate director · appointed 2016-12-13 · resigned 2017-04-13

### Beneficial owners (Persons with Significant Control)

- [Carbon Ii Bidco Limited](https://whiteintel.dev/entity/73f1ed6a-c97c-5d89-a523-64b70d628401) — 75–100% shares · corporate PSC · England — since 2021-03-05
- Mr Dennis Stephen Engel — 25–50% shares · individual PSC · England — ceased 2021-03-05
- [Squire Patton Boggs Directors Limited](https://whiteintel.dev/entity/79670d13-6366-4e8a-af23-fea928061409) — 75–100% shares · corporate PSC · United Kingdom — ceased 2017-06-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10522821
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10522821

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **GRAPHENE HOLDINGS LIMITED** — https://whiteintel.dev/entity/def78482-95b9-5b6c-bf20-4912ddb1136d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GRAPHENE HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/def78482-95b9-5b6c-bf20-4912ddb1136d · Structured JSON: https://whiteintel.dev/api/public/dossier/def78482-95b9-5b6c-bf20-4912ddb1136d._

_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"._