---
title: "UP PERISCOPE LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fed7db8e-73bd-5ceb-a3db-2df4942495fd
json: https://whiteintel.dev/api/public/dossier/fed7db8e-73bd-5ceb-a3db-2df4942495fd
identifier: oo:GB-COH-16187642
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# UP PERISCOPE LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-16187642`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/fed7db8e-73bd-5ceb-a3db-2df4942495fd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fed7db8e-73bd-5ceb-a3db-2df4942495fd  

## Ownership & control

### Owners / controllers

- **Mr Jamie Martyn Stiff** (beneficial owner) — 50% — https://whiteintel.dev/entity/ffda7d29-be92-520d-bd74-238ccbed6e7b
- **Mrs Gabrielle Julia Massey Cooke** (beneficial owner) — 50% — https://whiteintel.dev/entity/85155327-e126-5db6-818a-f1969921074a
- **Mrs Gabrielle Julia Massey Cooke** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/cf76ede2-2e7e-4d25-8c09-c6e24a4dabec
- **Mr Jamie Martyn Stiff** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c8b64aa8-2858-429e-a82e-465be5882ba7

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

1. **Mr Jamie Martyn Stiff** — beneficial owner 50% → *UP PERISCOPE LTD*
1. **Mrs Gabrielle Julia Massey Cooke** — beneficial owner 50% → *UP PERISCOPE LTD*
1. **Mrs Gabrielle Julia Massey Cooke** — beneficial owner 37.5% → *UP PERISCOPE LTD*
1. **Mr Jamie Martyn Stiff** — beneficial owner 37.5% → *UP PERISCOPE LTD*

## Company profile (live · UK Companies House)

- **Company number:** `16187642`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2025-01-16
- **Registered office:** 1 Glenhurst Avenue, London, NW5 1PT, England
- **SIC:** 58190

### Officers

- COOKE, Gabrielle Julia Massey — director · Irish · appointed 2025-01-16
- STIFF, Jamie Martyn — director · British · appointed 2025-01-16 · resigned 2025-09-08

### Beneficial owners (Persons with Significant Control)

- Mrs Gabrielle Julia Massey Cooke — 25–50% shares · individual PSC · England — since 2025-01-16
- Mr Jamie Martyn Stiff — 25–50% shares · individual PSC · England — ceased 2025-07-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16187642

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **UP PERISCOPE LTD**. Human view: https://whiteintel.dev/entity/fed7db8e-73bd-5ceb-a3db-2df4942495fd · Structured JSON: https://whiteintel.dev/api/public/dossier/fed7db8e-73bd-5ceb-a3db-2df4942495fd._

_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"._