---
title: "A1 BUILDING SUPPLIES U.K. LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3d00340b-33a2-5dbf-bb50-a1f60cdc2b89
json: https://whiteintel.dev/api/public/dossier/3d00340b-33a2-5dbf-bb50-a1f60cdc2b89
identifier: oo:GB-COH-05674270
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# A1 BUILDING SUPPLIES U.K. LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-05674270`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3d00340b-33a2-5dbf-bb50-a1f60cdc2b89  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3d00340b-33a2-5dbf-bb50-a1f60cdc2b89  

## Ownership & control

### Owners / controllers

- **Mrs Zipporah Gross** (beneficial owner) — 50% — https://whiteintel.dev/entity/f9799df6-e133-559e-a540-6e8ea67128b7
- **Mr Israel Gross** (beneficial owner) — 50% — https://whiteintel.dev/entity/4ecc2784-370a-59ee-a9d4-322ae6652875
- **Mr Israel Gross** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/1cdfcd14-0afd-4ab3-9288-9f5c019fe3cd
- **Mrs Zipporah Gross** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a1371970-265d-43bc-a7e4-0fcd9ca6e2cb

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

1. **Mrs Zipporah Gross** — beneficial owner 50% → *A1 BUILDING SUPPLIES U.K. LIMITED*
1. **Mr Israel Gross** — beneficial owner 50% → *A1 BUILDING SUPPLIES U.K. LIMITED*
1. **Mr Israel Gross** — beneficial owner 37.5% → *A1 BUILDING SUPPLIES U.K. LIMITED*
1. **Mrs Zipporah Gross** — beneficial owner 37.5% → *A1 BUILDING SUPPLIES U.K. LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `05674270`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2006-01-13
- **Registered office:** 49 Mowbray Road, Edgware, Middlesex, HA8 8JL, England
- **SIC:** 46730

### Officers

- GROSS, Blieme — secretary · British · appointed 2006-01-13
- GROSS, Israel — director · Belgian · appointed 2006-01-13

### Beneficial owners (Persons with Significant Control)

- Mrs Zipporah Gross — 25–50% shares · individual PSC · England — since 2021-01-05
- Mr Israel Gross — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05674270
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/05674270

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **A1 BUILDING SUPPLIES U.K. LIMITED**. Human view: https://whiteintel.dev/entity/3d00340b-33a2-5dbf-bb50-a1f60cdc2b89 · Structured JSON: https://whiteintel.dev/api/public/dossier/3d00340b-33a2-5dbf-bb50-a1f60cdc2b89._

_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"._