---
title: "GOLDEN RATIO CONSTRUCTION LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e9ac529c-db05-55ee-baec-9d222fd1aed0
json: https://whiteintel.dev/api/public/dossier/e9ac529c-db05-55ee-baec-9d222fd1aed0
identifier: oo:GB-COH-13113609
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GOLDEN RATIO CONSTRUCTION LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13113609`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e9ac529c-db05-55ee-baec-9d222fd1aed0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e9ac529c-db05-55ee-baec-9d222fd1aed0  

## Ownership & control

### Owners / controllers

- **Mr Oleksandr Serzhantu** (beneficial owner) — 100% — https://whiteintel.dev/entity/ccacfe84-4eba-58fa-87c3-525fbc4e4ad7
- **Mr Oleksandr Serzhantu** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3ba9a024-396c-4429-9d86-3302f0f0de07

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

A **2-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:** `13113609`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2021-01-05
- **Registered office:** 18 The Orangery, Earley, Reading, RG6 1FH, England
- **SIC:** 41202

### Officers

- SERZHANTU, Oleksandr — director · Ukrainian · appointed 2021-01-05
- SERJANTU, Anastasia — secretary · appointed 2021-01-21 · resigned 2021-03-17

### Beneficial owners (Persons with Significant Control)

- Mr Oleksandr Serzhantu — 75–100% shares · individual PSC · United Kingdom — since 2021-01-05

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13113609

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GOLDEN RATIO CONSTRUCTION LTD**. Human view: https://whiteintel.dev/entity/e9ac529c-db05-55ee-baec-9d222fd1aed0 · Structured JSON: https://whiteintel.dev/api/public/dossier/e9ac529c-db05-55ee-baec-9d222fd1aed0._

_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"._