---
title: "ONE EFFICIENCY LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0dd02691-8d90-5b05-910b-5a387d76566f
json: https://whiteintel.dev/api/public/dossier/0dd02691-8d90-5b05-910b-5a387d76566f
identifier: oo:GB-COH-08622027
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ONE EFFICIENCY LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-08622027`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0dd02691-8d90-5b05-910b-5a387d76566f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0dd02691-8d90-5b05-910b-5a387d76566f  

## Ownership & control

### Owners / controllers

- **Miss Helen Trott** (beneficial owner) — 100% — https://whiteintel.dev/entity/89588180-79d5-5861-9f0f-6c7ebe9e3edb
- **Miss Helen Trott** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bec0bfc7-ac3a-4352-8081-0346adac9c34

### 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:** `08622027`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2013-07-24
- **Registered office:** International House The Mclaren Building, 46 The Priory Queensway, Birmingham, West Midlands, B4 7LR, England
- **SIC:** 63990, 71121, 74909, 90030

### Officers

- TROTT, Helen — secretary · appointed 2013-07-24
- TROTT, Helen — director · British · appointed 2013-07-24

### Beneficial owners (Persons with Significant Control)

- Miss Helen Trott — 75–100% shares · individual PSC · England — since 2016-07-24

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/08622027
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/08622027

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **ONE EFFICIENCY LTD** — https://whiteintel.dev/entity/0dd02691-8d90-5b05-910b-5a387d76566f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ONE EFFICIENCY LTD**. Human view: https://whiteintel.dev/entity/0dd02691-8d90-5b05-910b-5a387d76566f · Structured JSON: https://whiteintel.dev/api/public/dossier/0dd02691-8d90-5b05-910b-5a387d76566f._

_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"._