---
title: "RSK GROUP LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/76175bc4-203a-5e94-8db2-4e131b579536
json: https://whiteintel.dev/api/public/dossier/76175bc4-203a-5e94-8db2-4e131b579536
identifier: oo:GB-COH-03761340
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RSK GROUP LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03761340`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/76175bc4-203a-5e94-8db2-4e131b579536  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/76175bc4-203a-5e94-8db2-4e131b579536  

## Cross-source identity

The same real-world entity, resolved across sources:

- **RSK GROUP LIMITED** — GLEIF · `lei:2138002YKOT1BRZ8NR62` — https://whiteintel.dev/entity/efcaff26-4e7f-54b7-86d9-38a9c2a204b7
- **Rsk Group Limited** — source · `gb-coh:3761340` — https://whiteintel.dev/entity/f30dbced-9571-4c7e-83a6-54768f972e7d

## Ownership & control

### Owners / controllers

- **Dr Mary Ann Elizabeth Smyth** (beneficial owner) — 50% — https://whiteintel.dev/entity/bbfb7b10-9e25-51b9-a722-46a028bef69f
- **Dr Alasdair Alan Ryder** (beneficial owner) — 50% — https://whiteintel.dev/entity/5153c068-3ddf-53f0-ae4a-5ad38939027a
- **Dr Mary Ann Elizabeth Smyth** (beneficial owner) — https://whiteintel.dev/entity/3dbfcf12-ec32-410e-8c21-9718e98eaabe
- **Alan Ryder Investments Limited** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/818de2a8-b35d-41d6-8a66-cdae276ca10f
- **Alasdair Alan Ryder** (beneficial owner) — https://whiteintel.dev/entity/caf33ebe-1c5c-4ca7-8253-4d79267b60f2

### Holdings / subsidiaries

- **RSK MIDDLE EAST LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/51c75b56-4dba-56a8-ba1e-a5fcb568d91d
- **RSK ENVIRONMENT LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c2e05021-6125-5f5a-b2bb-06ffc00253fa
- **RSK WIGAN PROPERTY LLP** (beneficial owner) — 100% — https://whiteintel.dev/entity/495b0e50-ae21-507a-98f2-1c619c806d74
- **RSK INVESTMENTS (NEWCASTLE) LLP** (beneficial owner) — 100% — https://whiteintel.dev/entity/901b25d0-bea5-5216-9862-5e8e70a64c54
- **RSK NEWCASTLE PROPERTY LLP** (beneficial owner) — 100% — https://whiteintel.dev/entity/41067e83-b6c4-5fea-9a78-76edeee279ea
- **RSK GROUP TRUSTEES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/4b566821-fd69-5e32-9cfd-694966f834d1
- **ABSOLUTE SOLAR AND WIND LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/0f134164-87f3-55ee-8913-08f46a5ab24e
- **RSK REMEDIATION AND DEVELOPMENT LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/1531342e-c53b-5e94-9c28-08a0c6930836
- **RSK ADAS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/3b2164c8-be78-5184-bd71-e570bb1d70bc
- **ABSOLUTE SOLAR AND WIND LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0f134164-87f3-55ee-8913-08f46a5ab24e
- **RSK REMEDIATION AND DEVELOPMENT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1531342e-c53b-5e94-9c28-08a0c6930836
- **RSK ENVIRONMENT LIMITED** (beneficial owner) — https://whiteintel.dev/entity/c2e05021-6125-5f5a-b2bb-06ffc00253fa

…and **7** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

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

A **7-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:** `03761340`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1999-04-28
- **Registered office:** Spring Lodge, 172 Chester Road, Helsby, Cheshire, WA6 0AR
- **SIC:** 70100

### Officers

- EVANS, Sally — secretary · appointed 2019-09-06
- ABBOTT, Stephen John — director · Australian · appointed 2026-03-03
- BANGELS, Stefan — director · Belgian · appointed 2013-10-01
- BOARD, Nigel Paul — director · British · appointed 2005-11-02
- BRESNAN, Paul James — director · British · appointed 2024-04-01
- BRUNSWICK, Zoe — director · British · appointed 2024-04-01
- CHARNOCK, Garry — director · British · appointed 2009-07-01
- CHATTAWAY, Ross Arron — director · British · appointed 2024-04-01
- DENNIS, Michael Christopher — director · British · appointed 2024-09-06
- DURO PEREZ, Lara — director · Spanish · appointed 2024-04-01
- GOODACRE, Ian Robert, Dr — director · British · appointed 2023-08-10
- HERLIHY, Francis — director · British · appointed 2025-04-01
- JACOBS, Louis — director · British · appointed 2025-04-17
- KNIGHTON, Claire Ashley — director · British · appointed 2019-12-01
- MARKWICK, Andrew Paul — director · English · appointed 2025-11-07
- MASON, Michael William — director · British · appointed 2001-01-26
- MOGFORD, Sarah Anne Louise — director · British · appointed 2019-12-01
- PARKINSON, Gary — director · British · appointed 2024-04-01
- REDMAYNE, James Richard Studdart — director · British · appointed 2024-09-06
- RYDER, Alasdair Alan, Dr — director · British · appointed 1999-04-28

### Beneficial owners (Persons with Significant Control)

- Alan Ryder Investments Limited — 25–50% shares · corporate PSC · England — since 2025-12-18
- Dr Mary Ann Elizabeth Smyth — 25–50% votes · individual PSC — ceased 2020-12-09
- Alasdair Alan Ryder — 25–50% votes · individual PSC — ceased 2025-12-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03761340
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03761340

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **RSK GROUP LIMITED** — https://whiteintel.dev/entity/76175bc4-203a-5e94-8db2-4e131b579536 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RSK GROUP LIMITED**. Human view: https://whiteintel.dev/entity/76175bc4-203a-5e94-8db2-4e131b579536 · Structured JSON: https://whiteintel.dev/api/public/dossier/76175bc4-203a-5e94-8db2-4e131b579536._

_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"._