---
title: "M&O BUILDING SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/db1b9da3-31ca-50ea-adaa-07333ec69615
json: https://whiteintel.dev/api/public/dossier/db1b9da3-31ca-50ea-adaa-07333ec69615
identifier: oo:GB-COH-10311378
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# M&O BUILDING SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10311378`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/db1b9da3-31ca-50ea-adaa-07333ec69615  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/db1b9da3-31ca-50ea-adaa-07333ec69615  

## Ownership & control

### Owners / controllers

- **Mr Krzysztof Pietrzak** (beneficial owner) — 100% — https://whiteintel.dev/entity/e503f973-ee97-562a-b577-083bc6cb4fe0
- **Mr Krzysztof Pietrzak** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/14f8cae6-8bfe-4d5d-9a32-85f8b950b929

### 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:** `10311378`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-08-04
- **Registered office:** Ground Floor Wessex House, Pixash Lane, Keynsham, Bristol, BS31 1TP, United Kingdom
- **SIC:** 43390

### Officers

- PIETRZAK, Krzysztof — director · Polish · appointed 2016-08-04

### Beneficial owners (Persons with Significant Control)

- Mr Krzysztof Pietrzak — 75–100% shares · individual PSC · United Kingdom — since 2016-08-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10311378
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10311378

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **M&O BUILDING SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/db1b9da3-31ca-50ea-adaa-07333ec69615 · Structured JSON: https://whiteintel.dev/api/public/dossier/db1b9da3-31ca-50ea-adaa-07333ec69615._

_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"._