---
title: "AB SYSTEMS (UK) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7d29550c-bdb0-5a5c-ba1a-4e92e4b4e7fb
json: https://whiteintel.dev/api/public/dossier/7d29550c-bdb0-5a5c-ba1a-4e92e4b4e7fb
identifier: oo:GB-COH-07731835
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AB SYSTEMS (UK) LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-07731835`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7d29550c-bdb0-5a5c-ba1a-4e92e4b4e7fb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7d29550c-bdb0-5a5c-ba1a-4e92e4b4e7fb  

## Cross-source identity

The same real-world entity, resolved across sources:

- **AB SYSTEMS (UK) LIMITED** — GLEIF · `lei:5493008MDA1VILN03P43` — https://whiteintel.dev/entity/a697a560-d752-59f0-ae85-8246abb0ace5

## Ownership & control

### Owners / controllers

- **Mr David Arthur Thurnam Wynne** (beneficial owner) — 50% — https://whiteintel.dev/entity/6bd51a6b-bb86-5529-b3dc-cd14fb6a30aa
- **Susan Carole Wynne** (beneficial owner) — 50% — https://whiteintel.dev/entity/eb9d7340-9c0d-5524-a822-cc55bc8eb032
- **Mr Douglas Wynne** (beneficial owner) — 50% — https://whiteintel.dev/entity/3c2f1546-c59d-5bd8-bc10-a8064e659637
- **Mr David Arthur Thurnam Wynne** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/431f2401-2508-4d68-9081-b93f2dc503c1
- **Susan Carole Wynne** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/3a4dae9b-a0c4-4e3c-b37a-994f0197efb0
- **Mr Douglas Wynne** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c32591d3-25a0-47da-9bab-0c846380fb72

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

1. **Mr David Arthur Thurnam Wynne** — beneficial owner 50% → *AB SYSTEMS (UK) LIMITED*
1. **Susan Carole Wynne** — beneficial owner 50% → *AB SYSTEMS (UK) LIMITED*
1. **Mr Douglas Wynne** — beneficial owner 50% → *AB SYSTEMS (UK) LIMITED*
1. **Mr David Arthur Thurnam Wynne** — beneficial owner 37.5% → *AB SYSTEMS (UK) LIMITED*
1. **Susan Carole Wynne** — beneficial owner 37.5% → *AB SYSTEMS (UK) LIMITED*
1. **Mr Douglas Wynne** — beneficial owner 37.5% → *AB SYSTEMS (UK) LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `07731835`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2011-08-08
- **Registered office:** Coursebeer House, Whiddon Down, Okehampton, Devon, EX20 2QZ, United Kingdom
- **SIC:** 01610

### Officers

- WYNNE, David Arthur Thurnam — director · British · appointed 2011-08-08
- WYNNE, Douglas — director · British · appointed 2015-08-12
- WYNNE, Susan Carole — director · British · appointed 2011-08-08

### Beneficial owners (Persons with Significant Control)

- Mr Douglas Wynne — 25–50% shares · individual PSC · United Kingdom — since 2016-06-07
- Mr David Arthur Thurnam Wynne — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06
- Susan Carole Wynne — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07731835
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07731835

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AB SYSTEMS (UK) LIMITED**. Human view: https://whiteintel.dev/entity/7d29550c-bdb0-5a5c-ba1a-4e92e4b4e7fb · Structured JSON: https://whiteintel.dev/api/public/dossier/7d29550c-bdb0-5a5c-ba1a-4e92e4b4e7fb._

_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"._