---
title: "RMC INC LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/77bd6cb7-e0eb-5663-8dd7-16964aba4cf2
json: https://whiteintel.dev/api/public/dossier/77bd6cb7-e0eb-5663-8dd7-16964aba4cf2
identifier: oo:GB-COH-15555933
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RMC INC LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15555933`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/77bd6cb7-e0eb-5663-8dd7-16964aba4cf2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/77bd6cb7-e0eb-5663-8dd7-16964aba4cf2  

## Ownership & control

### Owners / controllers

- **Mr Mark Stephen Callister** (beneficial owner) — 100% — https://whiteintel.dev/entity/a9badbc8-50ef-5e27-a9ae-974ce2bdf979
- **Mr Mark Stephen Callister** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c7e2a133-fa7f-411c-a4b9-2349a0909267

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

1. **Mr Mark Stephen Callister** — beneficial owner 100% → *RMC INC LTD*
1. **Mr Mark Stephen Callister** — beneficial owner 87.5% → *RMC INC LTD*

## Company profile (live · UK Companies House)

- **Company number:** `15555933`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-03-12
- **Registered office:** Octagon Lodge Hogs Back, Seale, Farnham, Surrey, GU10 1HE, England
- **SIC:** 80100

### Officers

- CALLISTER, Mark Stephen — secretary · appointed 2024-03-12
- CALLISTER, Mark Stephen — director · British · appointed 2024-03-12

### Beneficial owners (Persons with Significant Control)

- Mr Mark Stephen Callister — 75–100% shares · individual PSC · England — since 2024-03-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15555933

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RMC INC LTD**. Human view: https://whiteintel.dev/entity/77bd6cb7-e0eb-5663-8dd7-16964aba4cf2 · Structured JSON: https://whiteintel.dev/api/public/dossier/77bd6cb7-e0eb-5663-8dd7-16964aba4cf2._

_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"._