---
title: "NEW DAY BUILDING LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b82e486c-4e4a-5f56-bdb0-96df76526a64
json: https://whiteintel.dev/api/public/dossier/b82e486c-4e4a-5f56-bdb0-96df76526a64
identifier: oo:GB-COH-13458176
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NEW DAY BUILDING LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13458176`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b82e486c-4e4a-5f56-bdb0-96df76526a64  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b82e486c-4e4a-5f56-bdb0-96df76526a64  

## Ownership & control

### Owners / controllers

- **Mr Wojciech Grynczel** (beneficial owner) — 50% — https://whiteintel.dev/entity/d786ffce-a16b-513b-a736-edbe06e42d95
- **Mrs Iwona Grynczel** (beneficial owner) — 50% — https://whiteintel.dev/entity/6101fff6-f7e8-50a3-8ecf-49756967d9a9
- **Mr Wojciech Grynczel** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/046e2e3f-7c14-4153-a51b-deb8193da001
- **Mrs Iwona Grynczel** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/633de424-e04c-49dc-ad2a-cbb321468916

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

A **4-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:** `13458176`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-06-15
- **Registered office:** 10 Markway, Sunbury-On-Thames, TW16 5NU, England
- **SIC:** 41100

### Officers

- GRYNCZEL, Iwona — director · Polish · appointed 2021-06-15
- GRYNCZEL, Szymon — director · Polish · appointed 2025-10-28
- GRYNCZEL, Wojciech — director · Polish · appointed 2021-06-15

### Beneficial owners (Persons with Significant Control)

- Mr Wojciech Grynczel — 25–50% shares · individual PSC · England — since 2021-06-15
- Mrs Iwona Grynczel — 25–50% shares · individual PSC · England — since 2021-06-15

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13458176
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13458176

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NEW DAY BUILDING LTD**. Human view: https://whiteintel.dev/entity/b82e486c-4e4a-5f56-bdb0-96df76526a64 · Structured JSON: https://whiteintel.dev/api/public/dossier/b82e486c-4e4a-5f56-bdb0-96df76526a64._

_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"._