---
title: "OPOROTHECA LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/028b6e9b-0522-52bb-8b29-cdcd5a4a636c
json: https://whiteintel.dev/api/public/dossier/028b6e9b-0522-52bb-8b29-cdcd5a4a636c
identifier: oo:GB-COH-08544845
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# OPOROTHECA LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-08544845`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/028b6e9b-0522-52bb-8b29-cdcd5a4a636c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/028b6e9b-0522-52bb-8b29-cdcd5a4a636c  

## Ownership & control

### Owners / controllers

- **Mr Martin John Harban** (beneficial owner) — 50% — https://whiteintel.dev/entity/c44d703f-0379-5397-b003-09e6c512783b
- **Mrs Helen Harban** (beneficial owner) — 50% — https://whiteintel.dev/entity/b88bce28-62c3-5b43-acb3-0bdd8baad35f
- **Mrs Helen Harban** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f980a67b-e7da-4fa9-a150-ff5c307b1104
- **Mr Martin John Harban** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7b26e8ed-26a1-44e4-b050-4a3922e0233e

### Holdings / subsidiaries

- **SHERMIN FINANCE LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/2a773507-8308-506b-8ec8-60ff64c805f3
- **SHERMIN FINANCE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2a773507-8308-506b-8ec8-60ff64c805f3

### 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:** `08544845`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2013-05-24
- **Registered office:** 4 Jordan Close, Kenilworth, Warwickshire, CV8 2AE, England
- **SIC:** 68209

### Officers

- HARBAN, Helen — director · British · appointed 2013-05-24
- KINNERSLY, Ian Aylett — director · British · appointed 2024-09-26
- HARBAN, Martin John — director · British · appointed 2013-05-24 · resigned 2024-07-09

### Beneficial owners (Persons with Significant Control)

- Mrs Helen Harban — 25–50% shares · individual PSC · England — since 2016-04-06
- Mr Martin John Harban — 25–50% shares · individual PSC · England — ceased 2024-07-09

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08544845
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08544845

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **OPOROTHECA LIMITED**. Human view: https://whiteintel.dev/entity/028b6e9b-0522-52bb-8b29-cdcd5a4a636c · Structured JSON: https://whiteintel.dev/api/public/dossier/028b6e9b-0522-52bb-8b29-cdcd5a4a636c._

_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"._