---
title: "PSB-UK LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2601ebec-88e0-58df-a1b0-9e9dbef3ce2c
json: https://whiteintel.dev/api/public/dossier/2601ebec-88e0-58df-a1b0-9e9dbef3ce2c
identifier: oo:GB-COH-04006640
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PSB-UK LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-04006640`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2601ebec-88e0-58df-a1b0-9e9dbef3ce2c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2601ebec-88e0-58df-a1b0-9e9dbef3ce2c  

## Ownership & control

### Owners / controllers

- **Mr Karsten Witt** (beneficial owner) — https://whiteintel.dev/entity/0544e8bc-9b0d-5161-a6a3-1b622630cc8e
- **WITT & SON UK HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/cde23094-6d82-55c2-95be-cc99045a6b12
- **WITT & SON UK HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/cde23094-6d82-55c2-95be-cc99045a6b12
- **Dr Henrik Witt** (beneficial owner) — https://whiteintel.dev/entity/b10ac2d5-1845-4616-a31c-f1b2146b5b61
- **Mr Karsten Witt** (beneficial owner) — https://whiteintel.dev/entity/99c38434-db65-4968-9dbd-4a4a05fdab8d

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

1. **Mr Karsten Witt** — beneficial owner → *PSB-UK LIMITED*
1. **WITT & SON UK HOLDINGS LIMITED** — beneficial owner 100% → *PSB-UK LIMITED*
1. **WITT & SON UK HOLDINGS LIMITED** — beneficial owner 87.5% → *PSB-UK LIMITED*
1. **Dr Henrik Witt** — beneficial owner → *PSB-UK LIMITED*
1. **Mr Karsten Witt** — beneficial owner → *PSB-UK LIMITED*
2. **Dr Henrik Torsten Witt** — beneficial owner 50% → *WITT & SON UK HOLDINGS LIMITED*
2. **Dr Henrik Torsten Witt** — beneficial owner 37.5% → *WITT & SON UK HOLDINGS LIMITED*
2. **Mr Karsten Christian Witt** — beneficial owner 37.5% → *WITT & SON UK HOLDINGS LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `04006640`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2000-05-30
- **Registered office:** WITT HOUSE WADE HOUSE ROAD, SHELF, HALIFAX, WEST YORKSHIRE, HX3 7BJ
- **SIC:** 43999 - Other specialised construction activities n.e.c.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04006640
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04006640

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PSB-UK LIMITED**. Human view: https://whiteintel.dev/entity/2601ebec-88e0-58df-a1b0-9e9dbef3ce2c · Structured JSON: https://whiteintel.dev/api/public/dossier/2601ebec-88e0-58df-a1b0-9e9dbef3ce2c._

_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"._