---
title: "SYSTEMS ENGINEERING & ASSESSMENT INTERNATIONAL LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c1faf0fa-2713-548a-ae55-28d0e2e97eb3
json: https://whiteintel.dev/api/public/dossier/c1faf0fa-2713-548a-ae55-28d0e2e97eb3
identifier: oo:GB-COH-15719053
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SYSTEMS ENGINEERING & ASSESSMENT INTERNATIONAL LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15719053`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c1faf0fa-2713-548a-ae55-28d0e2e97eb3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c1faf0fa-2713-548a-ae55-28d0e2e97eb3  

## Ownership & control

### Owners / controllers

- **SEA (GROUP) LTD.** (beneficial owner) — 100% — https://whiteintel.dev/entity/50915a70-e707-51d6-b224-131d102c3c65
- **SEA (GROUP) LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/50915a70-e707-51d6-b224-131d102c3c65

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

A **3-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:** `15719053`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-05-14
- **Registered office:** Beckington Castle 17 Castle Corner, Beckington, Frome, BA11 6TA, England
- **SIC:** 84220

### Officers

- MAYBURY, Helen Grace — secretary · appointed 2024-05-14
- FLITTON, Richard Alan — director · British · appointed 2024-05-14
- THOMIS, Andrew Stephen — director · British · appointed 2024-05-14
- WALTHER, Simon Robert — director · British · appointed 2024-05-14
- WHALVIN, Julia Caroline — director · British · appointed 2024-05-14

### Beneficial owners (Persons with Significant Control)

- [Sea (Group) Ltd](https://whiteintel.dev/entity/50915a70-e707-51d6-b224-131d102c3c65) — 75–100% shares · corporate PSC · England — since 2024-05-14

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15719053
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15719053

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SYSTEMS ENGINEERING & ASSESSMENT INTERNATIONAL LTD**. Human view: https://whiteintel.dev/entity/c1faf0fa-2713-548a-ae55-28d0e2e97eb3 · Structured JSON: https://whiteintel.dev/api/public/dossier/c1faf0fa-2713-548a-ae55-28d0e2e97eb3._

_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"._