---
title: "RM HOLDCO LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3ed94a63-e609-53e7-bf89-0e7bd54928c3
json: https://whiteintel.dev/api/public/dossier/3ed94a63-e609-53e7-bf89-0e7bd54928c3
identifier: oo:GB-COH-13302020
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RM HOLDCO LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13302020`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3ed94a63-e609-53e7-bf89-0e7bd54928c3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3ed94a63-e609-53e7-bf89-0e7bd54928c3  

## Ownership & control

### Owners / controllers

- **Mr Nils Fredrik Knagenhielm-Karlsson** (beneficial owner) — 100% — https://whiteintel.dev/entity/1228b294-50f8-55de-a8d8-fbffc178b952
- **Mr Tomas Gunnar Billing** (beneficial owner) — 100% — https://whiteintel.dev/entity/32b92811-b64c-5bda-a0a5-de5fefda9570
- **Mr Nils Fredrik Knagenhielm-Karlsson** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3689e24e-cc21-404c-b63e-5f3ec0835491
- **Mr Tomas Gunnar Billing** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ac02c809-7fe6-4123-9958-92bd7effb2e4
- **ROKO UK HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/76887315-526e-4d59-ab08-c321c9cbb598

### Holdings / subsidiaries

- **ROCKET MEDICAL PLC** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1c2b1dc0-fa42-5819-a123-db4355ba3d2d

### 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:** `13302020`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-03-30
- **Registered office:** C/O Rocket Medical Plc, Imperial Way, Watford, WD24 4XX, England
- **SIC:** 64209, 70100

### Officers

- BERNBERG, Robert Lee — director · British · appointed 2021-05-19
- BLADH, Lars Johan — director · Swedish · appointed 2021-03-30
- KNAGENHIELM-KARLSSON, Nils Fredrik — director · Swedish · appointed 2021-03-30

### Beneficial owners (Persons with Significant Control)

- [Roko Uk Holdco Ltd](https://whiteintel.dev/entity/76887315-526e-4d59-ab08-c321c9cbb598) — 75–100% shares · corporate PSC · United Kingdom — since 2026-05-22
- Mr Nils Fredrik Knagenhielm-Karlsson — 75–100% shares · individual PSC · England — ceased 2026-05-22
- Mr Tomas Gunnar Billing — 75–100% shares · individual PSC · Sweden — ceased 2026-05-22

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13302020
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13302020

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RM HOLDCO LTD**. Human view: https://whiteintel.dev/entity/3ed94a63-e609-53e7-bf89-0e7bd54928c3 · Structured JSON: https://whiteintel.dev/api/public/dossier/3ed94a63-e609-53e7-bf89-0e7bd54928c3._

_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"._