---
title: "KNOWHOW DEVELOPMENTS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8d2f89d5-401e-53fd-90c2-ed73df29cb4b
json: https://whiteintel.dev/api/public/dossier/8d2f89d5-401e-53fd-90c2-ed73df29cb4b
identifier: oo:GB-COH-15988453
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KNOWHOW DEVELOPMENTS LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15988453`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8d2f89d5-401e-53fd-90c2-ed73df29cb4b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8d2f89d5-401e-53fd-90c2-ed73df29cb4b  

## Ownership & control

### Owners / controllers

- **Mr Boris Samouilov Spirov** (beneficial owner) — 100% — https://whiteintel.dev/entity/45f61260-e647-52de-8a0f-587c46fbb871
- **Mr Boris Samouilov Spirov** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/db16e55c-2b14-4e7e-87fc-4fd7e3486265

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

1. **Mr Boris Samouilov Spirov** — beneficial owner 100% → *KNOWHOW DEVELOPMENTS LTD*
1. **Mr Boris Samouilov Spirov** — beneficial owner 87.5% → *KNOWHOW DEVELOPMENTS LTD*

## Company profile (live · UK Companies House)

- **Company number:** `15988453`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-09-30
- **Registered office:** 83 Haig Road, Uxbridge, UB8 3EQ, England
- **SIC:** 41202

## Financials (Companies House accounts)

| Figure | 2025-09-30 |
|---|---:|
| Net assets | £4,178 |
| Cash | £2,144 |
| Shareholder funds | £1 |
| Current assets | £6,661 |
| Employees | 1 |

_As filed at Companies House. Micro-entities file no profit-and-loss account._

### Officers

- SPIROV, Boris Samouilov — director · Bulgarian · appointed 2024-09-30

### Beneficial owners (Persons with Significant Control)

- Mr Boris Samouilov Spirov — 75–100% shares · individual PSC · England — since 2024-09-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15988453
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/15988453/filing-history
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/15988453

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KNOWHOW DEVELOPMENTS LTD**. Human view: https://whiteintel.dev/entity/8d2f89d5-401e-53fd-90c2-ed73df29cb4b · Structured JSON: https://whiteintel.dev/api/public/dossier/8d2f89d5-401e-53fd-90c2-ed73df29cb4b._

_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"._