---
title: "BRIGHTSIDE03 LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ad653d4d-1ba6-53a6-aa2c-076441a73b71
json: https://whiteintel.dev/api/public/dossier/ad653d4d-1ba6-53a6-aa2c-076441a73b71
identifier: oo:GB-COH-12203724
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BRIGHTSIDE03 LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12203724`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ad653d4d-1ba6-53a6-aa2c-076441a73b71  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ad653d4d-1ba6-53a6-aa2c-076441a73b71  

## Ownership & control

### Owners / controllers

- **Mr Darren James Humberstone** (beneficial owner) — 50% — https://whiteintel.dev/entity/4c935488-65ad-57d4-98d7-4162a8e7efed
- **Mrs Joanna Louise Humberstone** (beneficial owner) — 50% — https://whiteintel.dev/entity/4cb09fcb-1a74-5ffb-adca-5b898f78d73b
- **Mr Darren James Humberstone** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/866d00b6-0882-4924-8490-0c8077b10590
- **Mrs Joanna Louise Humberstone** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f3f9051c-491a-4f8f-9c07-722eddc5ab32

### Holdings / subsidiaries

- **C3 Holdings Limited** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e6fca4fe-e8ef-4d7e-adda-ad64c6715e9e

### 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:** `12203724`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-09-12
- **Registered office:** 1 Merus Court, Meridian Business Park, Leicester, LE19 1RJ, England
- **SIC:** 68209

### Officers

- HUMBERSTONE, Darren James — director · British · appointed 2019-09-12
- HUMBERSTONE, Joanna Louise — director · British · appointed 2022-01-19

### Beneficial owners (Persons with Significant Control)

- Mrs Joanna Louise Humberstone — 25–50% shares · individual PSC · England — since 2020-06-30
- Mr Darren James Humberstone — 25–50% shares · individual PSC · England — since 2019-09-12

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12203724
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12203724

## 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 **BRIGHTSIDE03 LIMITED** — https://whiteintel.dev/entity/ad653d4d-1ba6-53a6-aa2c-076441a73b71 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BRIGHTSIDE03 LIMITED**. Human view: https://whiteintel.dev/entity/ad653d4d-1ba6-53a6-aa2c-076441a73b71 · Structured JSON: https://whiteintel.dev/api/public/dossier/ad653d4d-1ba6-53a6-aa2c-076441a73b71._

_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"._