---
title: "MKM BUILDING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/21cecb5f-dedd-5e70-bc3c-cf7278702987
json: https://whiteintel.dev/api/public/dossier/21cecb5f-dedd-5e70-bc3c-cf7278702987
identifier: oo:GB-COH-11604656
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MKM BUILDING LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11604656`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/21cecb5f-dedd-5e70-bc3c-cf7278702987  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/21cecb5f-dedd-5e70-bc3c-cf7278702987  

## Ownership & control

### Owners / controllers

- **Mr Marcin Kociolowski** (beneficial owner) — 100% — https://whiteintel.dev/entity/8b129e18-c68c-5f27-bc47-a5c58fd44390
- **Mr Marcin Kociolowski** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/37627046-372f-4c51-baa8-b2e218ff437c

### 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:** `11604656`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-10-04
- **Registered office:** 4 St. Clements Mews, Salisbury, SP2 7TT, England
- **SIC:** 43999

### Officers

- KOCIOLOWSKI, Marcin — director · Polish · appointed 2018-10-04

### Beneficial owners (Persons with Significant Control)

- Mr Marcin Kociolowski — 75–100% shares · individual PSC · England — since 2018-10-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11604656
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11604656

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MKM BUILDING LIMITED**. Human view: https://whiteintel.dev/entity/21cecb5f-dedd-5e70-bc3c-cf7278702987 · Structured JSON: https://whiteintel.dev/api/public/dossier/21cecb5f-dedd-5e70-bc3c-cf7278702987._

_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"._