Private company

Rhymney Railway

Former railway company in South Wales

The Rhymney Railway (RR) was a railway company in South Wales, founded to transport minerals and materials to and from collieries and ironworks in the Rhymney Valley of South Wales, and to docks in Cardiff. It opened a main line in 1858, and a limited passenger service was operated in addition.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

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The Rhymney Railway (RR) was a railway company in South Wales, founded to transport minerals and materials to and from collieries and ironworks in the Rhymney Valley of South Wales, and to docks in Cardiff. It opened a main line in 1858, and a limited passenger service was operated in addition.2

Corporate structure

Rhymney Railway sits at the top of its group. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Rhymney Railway reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Subsidiaries and ownership

Also owns

From Wikidata.1

Acquisitions

  1. Succeeded by Great Western Railway1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2