---
title: "RAIL FIRST UK HOLDINGS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fdb40a3b-b51b-5b09-b063-c7b9ccacfd4e
json: https://whiteintel.dev/api/public/dossier/fdb40a3b-b51b-5b09-b063-c7b9ccacfd4e
identifier: oo:GB-COH-14278859
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RAIL FIRST UK HOLDINGS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14278859`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/fdb40a3b-b51b-5b09-b063-c7b9ccacfd4e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fdb40a3b-b51b-5b09-b063-c7b9ccacfd4e  

## Ownership & control

### Owners / controllers

- **AEIF RF INVESTCO LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/e5c67531-d6c1-5c14-9e7c-c6e0a446e7ee
- **AMBER INVESTMENT HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/c104162c-c398-568b-8740-19ca6d029602
- **AEIF RF INVESTCO LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e5c67531-d6c1-5c14-9e7c-c6e0a446e7ee
- **Amber Investment Holdings Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3d2bf98c-6b88-4a28-b8d6-bb2e7250ad75

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

A **27-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:** `14278859`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-08-05
- **Registered office:** Level 1, 111 Strand, London, WC2R 0AG, United Kingdom
- **SIC:** 64209

### Officers

- JANSONIUS, Willem — director · Dutch · appointed 2024-07-26
- MARVELL, Neil Philip — director · British · appointed 2024-07-26
- SPINOLA, Rocio Oriol — director · Spanish · appointed 2025-10-22
- BARRIENTOS OSSIO, Mariana — director · Bolivian · appointed 2022-09-01 · resigned 2023-04-24
- FINCH, Alexander John — director · British · appointed 2022-08-05 · resigned 2022-10-07
- GREGORY, Michael John — director · British · appointed 2022-08-05 · resigned 2024-07-26
- KOTTERING, Andreas Hermann, Dr — director · German · appointed 2023-04-24 · resigned 2025-10-22
- TAIT, Gavin Richard — director · British · appointed 2022-08-05 · resigned 2022-10-08
- WOODS, Amanda Elizabeth — director · British · appointed 2022-08-05 · resigned 2024-07-26

### Beneficial owners (Persons with Significant Control)

- [Aeif Rf Investco Limited](https://whiteintel.dev/entity/e5c67531-d6c1-5c14-9e7c-c6e0a446e7ee) — 25–50% shares · corporate PSC · England — ceased 2024-07-26
- [Amber Investment Holdings Limited](https://whiteintel.dev/entity/3d2bf98c-6b88-4a28-b8d6-bb2e7250ad75) — 75–100% shares · corporate PSC · England — ceased 2022-09-27

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14278859
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14278859

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RAIL FIRST UK HOLDINGS LIMITED**. Human view: https://whiteintel.dev/entity/fdb40a3b-b51b-5b09-b063-c7b9ccacfd4e · Structured JSON: https://whiteintel.dev/api/public/dossier/fdb40a3b-b51b-5b09-b063-c7b9ccacfd4e._

_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"._