---
title: "BUILDING BLOCK PROJECTS LLP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d0d2ba18-c7e8-5e51-b3a8-4bd0ac3cf2fa
json: https://whiteintel.dev/api/public/dossier/d0d2ba18-c7e8-5e51-b3a8-4bd0ac3cf2fa
identifier: oo:GB-COH-OC336066
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BUILDING BLOCK PROJECTS LLP

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-OC336066`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d0d2ba18-c7e8-5e51-b3a8-4bd0ac3cf2fa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d0d2ba18-c7e8-5e51-b3a8-4bd0ac3cf2fa  

## Ownership & control

### Owners / controllers

- **Mr Andrew Mathieson Williams** (beneficial owner) — 50% — https://whiteintel.dev/entity/5a2f3904-49e1-5573-b536-195887370564
- **Mrs Samantha Fleur Williams** (beneficial owner) — 50% — https://whiteintel.dev/entity/8e129a81-dcc7-5200-bb23-eff7fdd5a957
- **Mrs Samantha Fleur Williams** (beneficial owner) — https://whiteintel.dev/entity/c1fdae30-a8c9-487c-8f31-5f79c200393d
- **Mr Andrew Mathieson Williams** (beneficial owner) — https://whiteintel.dev/entity/3b2349aa-8158-4586-879e-7b127b5fc38d
- **BUILDING BLOCK PROPERTIES (UK) LLP** (beneficial owner) — https://whiteintel.dev/entity/1eb41438-7322-5a2a-9f48-50ebfe544478

### Holdings / subsidiaries

- **KARVE ANIMATION LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a182513d-4a09-564b-9b64-054fb0d7ac66

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

A **13-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:** `OC336066`
- **Status:** active
- **Type:** llp
- **Incorporated:** 2008-04-01
- **Registered office:** Sovereign House, 82 West Street, Rochford, Essex, SS4 1AS, England

### Officers

- WILLIAMS, Andrew Mathieson — llp designated member · appointed 2008-04-01
- BUILDING BLOCK PROPERTIES (UK) LLP — corporate llp designated member · appointed 2008-04-01

### Beneficial owners (Persons with Significant Control)

- Mr Andrew Mathieson Williams — 25–50% votes · individual PSC · United Kingdom — since 2016-04-06
- Mrs Samantha Fleur Williams — 25–50% votes · individual PSC · United Kingdom — since 2016-04-06
- [Building Block Properties Uk Llp](https://whiteintel.dev/entity/1eb41438-7322-5a2a-9f48-50ebfe544478) — 25–50% votes · corporate PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/OC336066
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/OC336066

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BUILDING BLOCK PROJECTS LLP**. Human view: https://whiteintel.dev/entity/d0d2ba18-c7e8-5e51-b3a8-4bd0ac3cf2fa · Structured JSON: https://whiteintel.dev/api/public/dossier/d0d2ba18-c7e8-5e51-b3a8-4bd0ac3cf2fa._

_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"._