Private company

Quality Line

Former London bus operator

Quality Line was a bus company based in Epsom, England. A subsidiary of the RATP Group, Quality Line operated bus services throughout the South West London and Surrey area, with many under contract to Transport for London.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1986Founded1

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Longcross East Lancs Esteem Quality Line
Photo: Arriva436 at English Wikipedia, Public domain, via Wikimedia Commons3

Quality Line was a bus company based in Epsom, England. A subsidiary of the RATP Group, Quality Line operated bus services throughout the South West London and Surrey area, with many under contract to Transport for London.2

Corporate structure

Quality Line is part of a group headed by RATP. 25 entities, 5 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • RATP Paris, France
    • Quality Line Epsom
    • Bath Bus Company Subsidiary
    • Epsom Coaches Subsidiary · Epsom
    • Ixxi Subsidiary · Paris
    • London United Busways Subsidiary · Twickenham, United Kingdom
    • Open Loop New York Subsidiary · New York City
    • RATP El Djazaïr Subsidiary · Algiers, Algeria
    • Reolian Public Transport Co. Subsidiary · Macau
    • Selwyns Travel Subsidiary · Runcorn, United Kingdom
    • SOFRETU Subsidiary
    • The Original Tour Subsidiary
    • Yellow Buses Subsidiary
    • Compagnie des transports du Yonnais Subsidiary · France
    • DC Streetcar Subsidiary · Washington, D.C., United States
    • Manchester Metrolink Subsidiary · Manchester, United Kingdom
    • Orlyval Subsidiary · Essonne, France
    • RATP Dev Subsidiary · France
    • RATP DEVELOPPEMENT Subsidiary · Paris, France
      • RATP DEV FRANCE INVEST Subsidiary · Paris, France
      • SCI FONCIERE RD Subsidiary · Paris, France
    • TELCITE NAO Subsidiary · Paris, France
    • Transports annemassiens collectifs Subsidiary · Agglomeration community of Annemasse – Les Voirons, France
    • Transports de l'agglomération de Charleville-Mézières Subsidiary · Ardenne Métropole, France
    • Anatole France Owned · Levallois-Perret, France
    • Gambetta Owned · 20th arrondissement of Paris, France
    • Gare de Cité Universitaire Owned · Paris, France
    • Gare du Nord Owned · 10ᵗʰ arrondissement of Paris, France
    • and 3 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1986Founded Founded1

Sources

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

  1. 1
  2. 2
  3. 3