---
title: "SINCLAIR BAY SUBSEA LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/84c18907-5cc5-55dd-a243-c63019689a5a
json: https://whiteintel.dev/api/public/dossier/84c18907-5cc5-55dd-a243-c63019689a5a
identifier: oo:GB-COH-SC412960
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SINCLAIR BAY SUBSEA LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC412960`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/84c18907-5cc5-55dd-a243-c63019689a5a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/84c18907-5cc5-55dd-a243-c63019689a5a  

## Ownership & control

### Owners / controllers

- **Mr Peter William Sinclair** (beneficial owner) — 50% — https://whiteintel.dev/entity/ac6d44af-62cb-5139-839f-df43dbe65f37
- **Mrs Louise Marie Sinclair** (beneficial owner) — 50% — https://whiteintel.dev/entity/270885c2-e707-5194-ba01-3dc4a0f4e4f5
- **Mrs Louise Marie Sinclair** (beneficial owner) — 100% — https://whiteintel.dev/entity/e318cd58-cc90-5196-ae32-a890e66b1783
- **SINCLAIR BAY  GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a8955a14-b88f-54de-9fad-ce32a5dd44b2
- **Mr Peter William Sinclair** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/af06d1d6-9219-4570-8077-ba055bfb8e89
- **Mrs Louise Marie Sinclair** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fa5abc9a-c5e8-457f-9200-8ad59253bee6
- **CLAN PARTNERS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/22a80c2e-2f2f-5df6-9b78-66bfb5fce82c
- **Mrs Louise Marie Sinclair** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d2a13852-d33d-45d7-9f4e-1bd264fdb3d3

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

A **14-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:** `SC412960`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2011-12-12
- **Registered office:** Inspec House Wellheads Drive, Dyce, Aberdeen, Aberdeen, AB21 7GQ, Scotland
- **SIC:** 71129

### Officers

- [STRONACHS SECRETARIES LIMITED](https://whiteintel.dev/entity/f10afca4-5607-5f30-8111-5e5ec59cef50) — corporate secretary · appointed 2022-10-18
- DUNBAR, Steven Murdoch — director · British · appointed 2023-02-01
- MACGREGOR, John Angus — director · British · appointed 2022-10-18
- SINCLAIR, Louise Marie — director · British · appointed 2011-12-12
- SINCLAIR, Peter William — director · British · appointed 2018-03-01
- SINCLAIR, Louise Marie — secretary · appointed 2011-12-12 · resigned 2022-10-18
- DUNBAR, Steven Murdoch — director · British · appointed 2022-10-18 · resigned 2023-01-31
- SINCLAIR, Peter William — director · British · appointed 2011-12-12 · resigned 2017-06-07

### Beneficial owners (Persons with Significant Control)

- [Clan Partners Limited](https://whiteintel.dev/entity/22a80c2e-2f2f-5df6-9b78-66bfb5fce82c) — 75–100% shares · corporate PSC · Scotland — since 2022-10-18
- [Sinclair Bay  Group Limited](https://whiteintel.dev/entity/a8955a14-b88f-54de-9fad-ce32a5dd44b2) — 75–100% shares · corporate PSC · United Kingdom — ceased 2022-10-18
- Mrs Louise Marie Sinclair — 75–100% shares · individual PSC · United Kingdom — ceased 2019-04-15
- Mr Peter William Sinclair — 25–50% shares · individual PSC · United Kingdom — ceased 2017-06-06
- Mrs Louise Marie Sinclair — 25–50% shares · individual PSC · United Kingdom — ceased 2017-06-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC412960
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC412960

## 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 **SINCLAIR BAY SUBSEA LIMITED** — https://whiteintel.dev/entity/84c18907-5cc5-55dd-a243-c63019689a5a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SINCLAIR BAY SUBSEA LIMITED**. Human view: https://whiteintel.dev/entity/84c18907-5cc5-55dd-a243-c63019689a5a · Structured JSON: https://whiteintel.dev/api/public/dossier/84c18907-5cc5-55dd-a243-c63019689a5a._

_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"._