---
title: "MAEN KARNE CONCRETE PRODUCTS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/13614262-ea29-5fca-97b9-b13f9d20283a
json: https://whiteintel.dev/api/public/dossier/13614262-ea29-5fca-97b9-b13f9d20283a
identifier: oo:GB-COH-07349632
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAEN KARNE CONCRETE PRODUCTS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-07349632`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/13614262-ea29-5fca-97b9-b13f9d20283a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/13614262-ea29-5fca-97b9-b13f9d20283a  

## Ownership & control

### Owners / controllers

- **Mr Julian Winston Chenoweth** (beneficial owner) — 50% — https://whiteintel.dev/entity/6293a54d-2b22-5ee1-bafc-672f209e01ad
- **Mr Brian George Chenoweth** (beneficial owner) — 75% — https://whiteintel.dev/entity/f7ccb1c6-5ddd-567b-adc2-6901c2db04b8
- **GRS ROADSTONE GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/192a4a16-fc76-5301-9d96-07e8e7a0d3bb
- **GRS ROADSTONE GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/192a4a16-fc76-5301-9d96-07e8e7a0d3bb
- **Mr Julian Winston Chenoweth** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c6da78d1-0f8f-4d47-b591-e05a5505c45e
- **Mr Brian George Chenoweth** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/13e289b7-b448-4a13-a393-e474baa2e480

### 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:** `07349632`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2010-08-18
- **Registered office:** Melbur Works, Summercourt, Newquay, Cornwall, TR8 5UA
- **SIC:** 46730

### Officers

- CHENOWETH, Julian Winston — director · British · appointed 2010-08-18
- EVANS, Philip David — director · British · appointed 2026-03-31
- FISHER, Jonathan Gareth — director · British · appointed 2017-01-03
- HUDSON, Lee — director · British · appointed 2023-03-09
- HARPER, Cathy — secretary · appointed 2010-08-18 · resigned 2012-01-12
- BEAMISH, Antony Charles — director · British · appointed 2020-06-26 · resigned 2023-03-09
- CHENOWETH, Brian George — director · British · appointed 2010-08-18 · resigned 2017-01-03
- CLAMP, Stephen Mark — director · British · appointed 2024-12-11 · resigned 2026-03-31
- CRUTCHLEY, Gavin Lee — director · British · appointed 2018-09-01 · resigned 2020-05-27
- FACEY, Ross Alexander — director · British · appointed 2017-01-03 · resigned 2022-01-31
- GALBRAITH, Douglas John — director · British · appointed 2020-06-05 · resigned 2024-05-08
- GOSLING, Matthew Leslie — director · British · appointed 2019-05-07 · resigned 2026-03-31
- LEWIS, Lucy Diana — director · British · appointed 2014-08-06 · resigned 2019-02-22
- QUINN, Laurence Anthony — director · British · appointed 2019-02-22 · resigned 2020-04-03
- REID, Martin Paul — director · British · appointed 2017-01-03 · resigned 2026-03-30

### Beneficial owners (Persons with Significant Control)

- [Grs Roadstone Group Limited](https://whiteintel.dev/entity/192a4a16-fc76-5301-9d96-07e8e7a0d3bb) — 75–100% shares · corporate PSC · England — since 2016-12-30
- Mr Julian Winston Chenoweth — 25–50% shares · individual PSC — ceased 2016-12-30
- Mr Brian George Chenoweth — 50–75% shares · individual PSC — ceased 2016-12-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07349632
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07349632

## 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 **MAEN KARNE CONCRETE PRODUCTS LTD** — https://whiteintel.dev/entity/13614262-ea29-5fca-97b9-b13f9d20283a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAEN KARNE CONCRETE PRODUCTS LTD**. Human view: https://whiteintel.dev/entity/13614262-ea29-5fca-97b9-b13f9d20283a · Structured JSON: https://whiteintel.dev/api/public/dossier/13614262-ea29-5fca-97b9-b13f9d20283a._

_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"._