---
title: "MARTIN SECKER AND WARBURG LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/45674559-62a2-52c8-bd16-d72952344c68
json: https://whiteintel.dev/api/public/dossier/45674559-62a2-52c8-bd16-d72952344c68
identifier: oo:GB-COH-00311333
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARTIN SECKER AND WARBURG LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-00311333`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/45674559-62a2-52c8-bd16-d72952344c68  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/45674559-62a2-52c8-bd16-d72952344c68  

## Ownership & control

### Owners / controllers

- **THE RANDOM HOUSE GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/cc3d44d7-1958-5748-b0b1-2295220c82a2
- **The Random House Group Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9d990599-66fa-4f16-bda7-fa7f7acf9705

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

A **22-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:** `00311333`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1936-03-07
- **Registered office:** One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW, United Kingdom
- **SIC:** 74990

## Financials (Companies House accounts)

| Figure | 2025-12-31 |
|---|---:|
| Net assets | £162,694 |
| Shareholder funds | £82,500 |
| Current assets | £162,694 |
| Employees | 0 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- MARTIN, Sinead Mary — secretary · appointed 2016-06-30
- GARDINER, Mark William — director · British · appointed 2000-07-03
- WELDON, Thomas Daryl — director · British · appointed 2014-10-20
- PEACOCK, Helena Caroline — secretary · appointed 2014-10-20 · resigned 2016-06-30
- RADCLIFFE, Willoughby Mark St John — secretary · British · resigned 1992-12-31
- SMITH, Roger Ling — secretary · British · appointed 1997-03-14 · resigned 2014-10-20
- RIB SECRETARIES LIMITED — corporate secretary · appointed 1992-12-31 · resigned 1997-03-20
- BLACKWELL, Arthur John Harvey — director · British · resigned 1992-12-31
- CHARKIN, Richard Denis Paul — director · British · resigned 1992-12-31
- CHEESEMAN, Peter Ernest — director · British · resigned 1992-12-31
- FRANKLIN, Dan — director · British · resigned 1992-12-31
- MCCONNELL, Anthony Sudlow — director · British · appointed 1997-03-14 · resigned 2001-06-29
- SMITH, Roger Ling — director · British · appointed 1997-03-14 · resigned 2014-10-20
- RIB DIRECTORS 1 LIMITED — corporate director · appointed 1992-12-31 · resigned 1997-03-20
- RIB DIRECTORS 2 LIMITED — corporate director · appointed 1992-12-31 · resigned 1997-03-20

### Beneficial owners (Persons with Significant Control)

- [The Random House Group Limited](https://whiteintel.dev/entity/9d990599-66fa-4f16-bda7-fa7f7acf9705) — 75–100% shares · corporate PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00311333
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00311333
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/00311333/filing-history

## 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 **MARTIN SECKER AND WARBURG LIMITED** — https://whiteintel.dev/entity/45674559-62a2-52c8-bd16-d72952344c68 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARTIN SECKER AND WARBURG LIMITED**. Human view: https://whiteintel.dev/entity/45674559-62a2-52c8-bd16-d72952344c68 · Structured JSON: https://whiteintel.dev/api/public/dossier/45674559-62a2-52c8-bd16-d72952344c68._

_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"._