---
title: "JOHNS MANVILLE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8ff16f12-1033-5a29-bfdb-da78c7b8ae25
json: https://whiteintel.dev/api/public/dossier/8ff16f12-1033-5a29-bfdb-da78c7b8ae25
identifier: oo:GB-COH-00358002
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JOHNS MANVILLE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-00358002`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8ff16f12-1033-5a29-bfdb-da78c7b8ae25  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8ff16f12-1033-5a29-bfdb-da78c7b8ae25  

## Ownership & control

### Owners / controllers

- **Mr Roger Twisselman** (beneficial owner) — https://whiteintel.dev/entity/a8b8bdd0-dbb2-59b0-857c-881dab645a73
- **Mr James George Beasley** (beneficial owner) — https://whiteintel.dev/entity/c7a716ed-e12d-5a67-9a26-fa0963cce508
- **Mr James George Beasley** (beneficial owner) — https://whiteintel.dev/entity/0156a8b0-a162-47a4-bce7-a9b24238b252
- **Mr Roger Twisselman** (beneficial owner) — https://whiteintel.dev/entity/b7b87700-787b-46f8-98f3-fefd4a683c03
- **Berkshire Hathaway Inc.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e8920c4b-0094-43d2-a160-1f09e1f34925
- **Berkshire Hathaway Inc.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e8920c4b-0094-43d2-a160-1f09e1f34925

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

A **6-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:** `00358002`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1939-12-02
- **Registered office:** Suite 1a, First Floor, Rossett Business Village Llyndir Lane, Rossett, Wrexham, LL12 0AY, Wales
- **SIC:** 82990

### Officers

- AMMON, Anastasia Marie — director · American · appointed 2025-06-01
- MILTON, Staci Mari — director · American · appointed 2022-03-16
- CANTY, Michael John — secretary · British · resigned 1999-02-25
- TATTAM, Charles Soren Robert — secretary · British · appointed 1999-02-25 · resigned 2011-08-15
- BEASLEY, James George — director · American · appointed 2021-09-01 · resigned 2023-12-31
- BROWN, Jeffrey Lee — director · Usa Citizen · resigned 1992-01-20
- BULLOCK, William Stephen — director · Usa · appointed 1997-06-10 · resigned 1999-07-15
- CAMPBELL, Robert James — director · American · appointed 2008-07-01 · resigned 2022-03-16
- CANTY, Michael John — director · British · resigned 1992-06-18
- CARABETTA, Matthew Paul — director · American · appointed 2024-01-01 · resigned 2025-05-31
- CROSSLAND, David Michael — director · British · resigned 1992-06-18
- DRAPER, Cecil Van — director · Usa · appointed 1993-03-15 · resigned 1997-06-10
- DUFF, Elizabeth Marie — director · American · appointed 1998-10-29 · resigned 1999-02-25
- FERON, Jan — director · Dutch · appointed 2001-06-26 · resigned 2002-05-31
- FRIDLUND, Ulf Christer — director · Swedish · appointed 1999-10-29 · resigned 2000-06-30
- JESINGHAUS, Berthold Hermann Julius — director · German · appointed 2011-09-26 · resigned 2016-06-14
- MACKINDER, William Thomas — director · British · appointed 1999-02-25 · resigned 2001-03-31
- NGUYEN, Van Thanh — director · French Citizen · resigned 1992-01-20
- ROSEBERY, John Michael — director · British · appointed 1992-01-20 · resigned 1992-12-15
- TATTAM, Charles Soren Robert — director · British · appointed 1999-11-30 · resigned 2001-03-31

### Beneficial owners (Persons with Significant Control)

- [Berkshire Hathaway Inc](https://whiteintel.dev/entity/e8920c4b-0094-43d2-a160-1f09e1f34925) — 75–100% shares · corporate PSC · United States — since 2024-08-02
- Mr James George Beasley — significant influence or control · individual PSC · Wales — ceased 2023-12-31
- Mr Roger Twisselman — significant influence or control · individual PSC · Wales — ceased 2021-09-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00358002
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00358002

## 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 **JOHNS MANVILLE LIMITED** — https://whiteintel.dev/entity/8ff16f12-1033-5a29-bfdb-da78c7b8ae25 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JOHNS MANVILLE LIMITED**. Human view: https://whiteintel.dev/entity/8ff16f12-1033-5a29-bfdb-da78c7b8ae25 · Structured JSON: https://whiteintel.dev/api/public/dossier/8ff16f12-1033-5a29-bfdb-da78c7b8ae25._

_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"._