---
title: "SEALSIXTY LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cac4e621-43a6-5fd3-832f-d0fc4e2cc8d1
json: https://whiteintel.dev/api/public/dossier/cac4e621-43a6-5fd3-832f-d0fc4e2cc8d1
identifier: oo:GB-COH-09716973
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SEALSIXTY LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09716973`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cac4e621-43a6-5fd3-832f-d0fc4e2cc8d1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cac4e621-43a6-5fd3-832f-d0fc4e2cc8d1  

## Ownership & control

### Owners / controllers

- **Mr Sinan Bulluroglu** (beneficial owner) — 100% — https://whiteintel.dev/entity/99660624-3b53-50eb-b062-b10cced344f0
- **Mr Sinan Bulluroglu** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/717d6be1-63f2-4ea3-a77b-f9478adfa4ce
- **Mr Ian Victor Prizeman** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/12043eab-1eff-46a3-a801-318394aaa447
- **Mr Sinan Bulluroglu** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/378e17fe-cb70-496b-9627-77ac918d02f6

### 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:** `09716973`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2015-08-04
- **Registered office:** 20-22 Wenlock Road, London, N1 7GU, England
- **SIC:** 81229

### Officers

- BULLUROGLU, Sinan — director · British · appointed 2015-09-22
- WEEKES, Aaron — director · British · appointed 2015-08-04 · resigned 2015-09-22

### Beneficial owners (Persons with Significant Control)

- Mr Sinan Bulluroglu — 75–100% shares · individual PSC · United Kingdom — since 2016-04-06
- Mr Ian Victor Prizeman — 25–50% shares · individual PSC · United Kingdom — ceased 2024-06-21
- Mr Sinan Bulluroglu — 75–100% shares · individual PSC · England — ceased 2022-01-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09716973
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09716973

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SEALSIXTY LTD**. Human view: https://whiteintel.dev/entity/cac4e621-43a6-5fd3-832f-d0fc4e2cc8d1 · Structured JSON: https://whiteintel.dev/api/public/dossier/cac4e621-43a6-5fd3-832f-d0fc4e2cc8d1._

_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"._