---
title: "J & A OFFSHORE SERVICES LTD. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5bcf1390-cfcf-568d-8b64-c7874eeea655
json: https://whiteintel.dev/api/public/dossier/5bcf1390-cfcf-568d-8b64-c7874eeea655
identifier: oo:GB-COH-SC248197
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# J & A OFFSHORE SERVICES LTD.

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-SC248197`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5bcf1390-cfcf-568d-8b64-c7874eeea655  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5bcf1390-cfcf-568d-8b64-c7874eeea655  

## Ownership & control

### Owners / controllers

- **Mr John Cardno Sim** (beneficial owner) — 50% — https://whiteintel.dev/entity/e7fe8178-c5c3-5263-8dbc-d45e81bc75ff
- **Mrs Sheena Sim** (beneficial owner) — 50% — https://whiteintel.dev/entity/e5af3d3b-1c10-5f3f-b4dd-131086a7913b
- **Mr John Cardno Sim** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0953bb4e-17b2-4ed2-9f09-bd7b55f06e56
- **Mrs Sheena Sim** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/1ff6b5b6-ba55-4260-b5e0-f8c92aa71545

### 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:** `SC248197`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2003-04-23
- **Registered office:** 27 Finlayson Street, Fraserburgh, Aberdeenshire, AB43 9JQ, Scotland
- **SIC:** 03110

## Financials (Companies House accounts)

| Figure | 2026-03-31 |
|---|---:|
| Cash | £278 |
| Shareholder funds | £100 |
| Employees | 0 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- SIM, Sheena — secretary · British · appointed 2003-04-23
- SIM, John Cardno — director · British · appointed 2003-04-23
- SIM, Sheena — director · British · appointed 2012-04-06
- BRIAN REID LTD. — corporate nominee secretary · appointed 2003-04-23 · resigned 2003-04-23
- STEPHEN MABBOTT LTD. — corporate nominee director · appointed 2003-04-23 · resigned 2003-04-23

### Beneficial owners (Persons with Significant Control)

- Mr John Cardno Sim — 25–50% shares · individual PSC · Scotland — since 2016-04-06
- Mrs Sheena Sim — 25–50% shares · individual PSC · Scotland — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC248197
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/SC248197/filing-history
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC248197

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **J & A OFFSHORE SERVICES LTD.**. Human view: https://whiteintel.dev/entity/5bcf1390-cfcf-568d-8b64-c7874eeea655 · Structured JSON: https://whiteintel.dev/api/public/dossier/5bcf1390-cfcf-568d-8b64-c7874eeea655._

_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"._