---
title: "GAMMA DELTA ADVISORY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/28e2b85a-c226-563f-abd3-d2f139db3ecc
json: https://whiteintel.dev/api/public/dossier/28e2b85a-c226-563f-abd3-d2f139db3ecc
identifier: oo:GB-COH-10585745
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GAMMA DELTA ADVISORY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10585745`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/28e2b85a-c226-563f-abd3-d2f139db3ecc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/28e2b85a-c226-563f-abd3-d2f139db3ecc  

## Ownership & control

### Owners / controllers

- **Sandra Ann Hayday** (beneficial owner) — 50% — https://whiteintel.dev/entity/f799bfa3-7096-55da-b5d1-d78b2f3d9ba0
- **Adrian Clive Hayday** (beneficial owner) — 50% — https://whiteintel.dev/entity/e7d1525c-96fc-5d4f-9fd0-7c014ce55edd
- **Sandra Ann Hayday** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/11f8bd8a-5acf-4644-8812-9c3a4ff5d79b
- **Adrian Clive Hayday** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/07dc0a4f-aca1-4a40-89b8-41bc25b2a46a

### 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:** `10585745`
- **Status:** liquidation
- **Type:** ltd
- **Incorporated:** 2017-01-26
- **Registered office:** Sussex Innovation Centre, Science Park Square, Brighton, BN1 9SB, England
- **SIC:** 70229

### Officers

- HAYDAY, Adrian Clive — director · British · appointed 2017-01-26
- HAYDAY, Sandra Ann — director · British · appointed 2017-01-26

### Beneficial owners (Persons with Significant Control)

- Sandra Ann Hayday — 25–50% shares · individual PSC · England — since 2017-01-26
- Adrian Clive Hayday — 25–50% shares · individual PSC · England — since 2017-01-26

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10585745
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10585745

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GAMMA DELTA ADVISORY LIMITED**. Human view: https://whiteintel.dev/entity/28e2b85a-c226-563f-abd3-d2f139db3ecc · Structured JSON: https://whiteintel.dev/api/public/dossier/28e2b85a-c226-563f-abd3-d2f139db3ecc._

_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"._