---
title: "AINAOPEN LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/63ed4144-e271-574c-bbac-61f9df972cf9
json: https://whiteintel.dev/api/public/dossier/63ed4144-e271-574c-bbac-61f9df972cf9
identifier: oo:GB-COH-16070815
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AINAOPEN LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-16070815`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/63ed4144-e271-574c-bbac-61f9df972cf9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/63ed4144-e271-574c-bbac-61f9df972cf9  

## Ownership & control

### Owners / controllers

- **Mr Joni Paolo Petteri Sairanen** (beneficial owner) — 50% — https://whiteintel.dev/entity/59d0efaf-88b3-5a4b-97e7-3096a4dcdc4b
- **Mr Mikko Klaus Heikkila** (beneficial owner) — 50% — https://whiteintel.dev/entity/47cc7548-1419-51b8-a91b-b13a6da3a980
- **Mr Mikko Klaus Heikkila** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/3c427c07-c8fb-4ab7-92bc-a49c5b1a8aa6
- **Mr Joni Paolo Petteri Sairanen** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ce7f343b-0cfb-4baf-9016-211baa748c0a

### 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:** `16070815`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-11-11
- **Registered office:** 167 - 169 Great Portland Street, 5th Floor, London, W1W 5PF, England
- **SIC:** 58290, 62012

## Financials (Companies House accounts)

| Figure | 2025-11-30 |
|---|---:|
| Net assets | £33,727 |
| Shareholder funds | £33,727 |
| Fixed assets | £26,166 |
| Current assets | £16,025 |
| Employees | 0 |

_Latest filed period. As filed at Companies House._

### Officers

- HEIKKILA, Mikko Klaus — director · Finnish · appointed 2024-11-11
- SAIRANEN, Joni Paolo Petteri — director · Finnish · appointed 2024-11-11

### Beneficial owners (Persons with Significant Control)

- Mr Joni Paolo Petteri Sairanen — 25–50% shares · individual PSC · United Kingdom — since 2024-11-11
- Mr Mikko Klaus Heikkila — 25–50% shares · individual PSC · United Kingdom — since 2024-11-11

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16070815
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/16070815
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/16070815/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AINAOPEN LIMITED**. Human view: https://whiteintel.dev/entity/63ed4144-e271-574c-bbac-61f9df972cf9 · Structured JSON: https://whiteintel.dev/api/public/dossier/63ed4144-e271-574c-bbac-61f9df972cf9._

_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"._