---
title: "OYSTER BAY SYSTEMS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca
json: https://whiteintel.dev/api/public/dossier/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca
identifier: oo:GB-COH-01888290
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# OYSTER BAY SYSTEMS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-01888290`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca  

## Ownership & control

### Owners / controllers

- **CASWELL BAY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3bc04bd9-d850-543d-b12e-bd73b95852ae
- **Mrs Anne Louise Breach** (beneficial owner) — 50% — https://whiteintel.dev/entity/038ea7f3-aefa-5d64-b309-7047abc75a8e
- **Mr Michael Robert Breach** (beneficial owner) — 75% — https://whiteintel.dev/entity/b3e30ca0-b6b3-59fc-9be8-ab963657aef5
- **Mrs Anne Louise Breach** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c331cdd2-77a1-49b7-9d14-e2d328b1016b
- **Mr Michael Robert Breach** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/054d7097-d9d2-451b-bca1-5167bce38005
- **ARYZA UK SERVICES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/362a7429-ca84-56e1-a034-f3d6a02dcf0e
- **CASWELL BAY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3bc04bd9-d850-543d-b12e-bd73b95852ae

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

A **34-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.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/01888290
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/01888290

## 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 **OYSTER BAY SYSTEMS LIMITED** — https://whiteintel.dev/entity/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **OYSTER BAY SYSTEMS LIMITED**. Human view: https://whiteintel.dev/entity/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca · Structured JSON: https://whiteintel.dev/api/public/dossier/2ebd6d7c-8e8e-5b38-8f58-7320290a34ca._

_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"._