---
title: "20/30 LABS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/546c12ea-eabb-5db8-996f-d9ae70dba8e7
json: https://whiteintel.dev/api/public/dossier/546c12ea-eabb-5db8-996f-d9ae70dba8e7
identifier: oo:GB-COH-06178552
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# 20/30 LABS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-06178552`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/546c12ea-eabb-5db8-996f-d9ae70dba8e7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/546c12ea-eabb-5db8-996f-d9ae70dba8e7  

## Ownership & control

### Owners / controllers

- **NORMEC HOLDING UK LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/a03bff6c-aa1a-594a-a0f6-5c61ec0af677
- **Mrs Mett Lindsay - Smart** (beneficial owner) — 50% — https://whiteintel.dev/entity/7c181044-f92f-5d48-b354-0e873ab44f4a
- **NORMEC ENVIRONMENTAL TESTING LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/cdbbba9a-c703-5728-84e3-fb960a1548b7
- **Mrs Mett Lindsay - Smart** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f6b1893b-633b-4714-a864-b8aa1d6802e4
- **NORMEC ENVIRONMENTAL TESTING LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/cdbbba9a-c703-5728-84e3-fb960a1548b7
- **NORMEC HOLDING UK LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/a03bff6c-aa1a-594a-a0f6-5c61ec0af677

### Holdings / subsidiaries

- **MS LAB PRODUCTS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/7dfd6d36-0b93-50b0-82e5-37f1b2258d88
- **MS LAB PRODUCTS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/7dfd6d36-0b93-50b0-82e5-37f1b2258d88

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

1. **NORMEC HOLDING UK LIMITED** — beneficial owner 75% → *20/30 LABS LIMITED*
1. **Mrs Mett Lindsay - Smart** — beneficial owner 50% → *20/30 LABS LIMITED*
1. **NORMEC ENVIRONMENTAL TESTING LIMITED** — beneficial owner 75% → *20/30 LABS LIMITED*
1. **Mrs Mett Lindsay - Smart** — beneficial owner 37.5% → *20/30 LABS LIMITED*
1. **NORMEC ENVIRONMENTAL TESTING LIMITED** — beneficial owner 62.5% → *20/30 LABS LIMITED*
1. **NORMEC HOLDING UK LIMITED** — beneficial owner 62.5% → *20/30 LABS LIMITED*
2. **NORMEC HOLDING UK LIMITED** — beneficial owner 100% → *NORMEC ENVIRONMENTAL TESTING LIMITED*
2. **NORMEC HOLDING UK LIMITED** — beneficial owner 87.5% → *NORMEC ENVIRONMENTAL TESTING LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `06178552`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-03-22
- **Registered office:** 1-2 Charterhouse Mews, London, EC1M 6BB, United Kingdom
- **SIC:** 71200

### Officers

- BRUINS, Joep Jacobus — director · Dutch · appointed 2024-08-30
- DEFLINE, Olivier Marie Jérôme Jean — director · French · appointed 2025-10-01
- EVANS, Stephen Roy — director · British · appointed 2026-04-22
- LINDSAY - SMART, Mett — director · British · appointed 2007-03-22
- SCHUURS, Britt Denise — director · Dutch · appointed 2024-08-30
- BREWER, Suzanne — secretary · British · appointed 2007-03-22 · resigned 2007-03-22
- LINDSAY - SMART, Mett — secretary · appointed 2011-11-01 · resigned 2018-06-06
- SMART, Valerie — secretary · British · appointed 2007-03-22 · resigned 2011-11-01
- BREMMER, Vincent Johan — director · Dutch · appointed 2025-01-01 · resigned 2025-10-01
- BREWER, Kevin Michael — director · British · appointed 2007-03-22 · resigned 2007-03-22
- CLARKE, James — director · British · appointed 2022-01-01 · resigned 2023-11-03
- LAUGHTON, Anthony John — director · British · appointed 2021-03-15 · resigned 2023-10-06
- LAUGHTON, Zoe Elizabeth — director · British · appointed 2020-01-01 · resigned 2023-09-22
- VAN SCHAIK, Mariska Henrica Maria — director · Dutch · appointed 2024-08-30 · resigned 2025-01-01

### Beneficial owners (Persons with Significant Control)

- [Normec Environmental Testing Limited](https://whiteintel.dev/entity/cdbbba9a-c703-5728-84e3-fb960a1548b7) — 50–75% shares · corporate PSC · United Kingdom — since 2024-11-11
- Mrs Mett Lindsay - Smart — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06
- [Normec Holding Uk Limited](https://whiteintel.dev/entity/a03bff6c-aa1a-594a-a0f6-5c61ec0af677) — 50–75% shares · corporate PSC · United Kingdom — ceased 2024-11-11

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06178552
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06178552

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **20/30 LABS LIMITED**. Human view: https://whiteintel.dev/entity/546c12ea-eabb-5db8-996f-d9ae70dba8e7 · Structured JSON: https://whiteintel.dev/api/public/dossier/546c12ea-eabb-5db8-996f-d9ae70dba8e7._

_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"._