Private company

Castelmore

Castelmore is a French publishing house based in Paris, founded in 2010, part of Bragelonne.¹

Castelmore, maison d'édition créée en 2010, est un département de la société Bragelonne spécialisé dans la publication de livres pour adolescents sur le thème de la fantasy, de la science-fiction et de l'humour. Castelmore publie des inédits en grand format, avec deux à trois titres par mois.² From the French Wikipedia, CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

2010Founded¹

HeadquartersParis, France¹
Websitewww.castelmore.fr

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Corporate structure

Castelmore is part of a group headed by Lagardère Group. 97 entities, 11 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Lagardère Group Paris, France
- Hachette Vanves, France
  - Bragelonne
    - Castelmore Paris, France
    - Mangetsu Subsidiary · Paris, France
    - Milady Subsidiary · Paris, France
  - Hachette Book Group New York, New York, United States
    - Bold Type Books Subsidiary
    - Center Street Subsidiary · Gladstone, Oregon, United States
    - Editions Albert René Subsidiary
    - Hachette Audio Subsidiary · New York City, United States
    - Little, Brown and Company Subsidiary · New York City
      - 5 more
    - Yen Press, LLC Subsidiary · New York City
      - 5 more
    - Meadowbrook Press Subsidiary
    - Twelve Subsidiary
  - Chambers Harrap Subsidiary · London
  - Deux coqs d'or Subsidiary · 15th arrondissement of Paris, France
  - Editorial Salvat Subsidiary
  - Fayard Subsidiary · France
    - Éditions Pauvert Subsidiary · Paris, France
  - Hachette Books Subsidiary · New York City
  - Hachette Fascicoli Subsidiary · Milan, Italy
  - Hachette FLE Subsidiary
  - Hodder & Stoughton Limited Subsidiary · London
    - Sceptre Subsidiary · London
    - Hodder Children's Books Subsidiary
    - Hodderscape Subsidiary
    - Yellow Kite Subsidiary · United Kingdom
  - Librairie générale française Subsidiary · rue de Fleurus, France
    - Le Livre de poche Subsidiary · France
  - Little, Brown Book Group Subsidiary · London
    - Abacus Subsidiary
    - Atom Subsidiary
    - Coersair Subsidiary
    - Dialogue Books Subsidiary
  - Messageries Hachette Subsidiary · Paris
  - Orbit Subsidiary
  - Orion Publishing Group Subsidiary · London
    - Gollancz Subsidiary · London
    - Laurence King Publishing Subsidiary · London
    - Millennium Subsidiary
    - Phoenix Books Subsidiary
  - Teach Yourself Subsidiary · London
  - Éditions Grasset Subsidiary · Paris
  - Éditions Larousse Subsidiary · Paris, France
  - Bookouture Subsidiary · United Kingdom
  - Hachette Australia Subsidiary · Australia
  - HACHETTE FASCICOLI S.R.L. Subsidiary · Milano, Italy
  - Ilex Press Subsidiary · United Kingdom
  - John Murray Business (JMB) Subsidiary · United Kingdom
  - John Murray Press Subsidiary
  - SOCIETE DES EDITIONS GRASSET ET FASQUELLE Subsidiary · Paris, France
- Edicións Xerais de Galicia Subsidiary · Vigo, Spain
- George G. Harrap and Co. Subsidiary
- Grupo Anaya Subsidiary · Madrid, Spain
  - Alianza Editorial Subsidiary
  - Edelsa Subsidiary
  - Ediciones Cátedra Subsidiary
- Hachette Collections Japan Subsidiary
- Hachette India Subsidiary · New Delhi, India
- Keystone Paris Subsidiary · Paris, France
- Lagardère News Subsidiary · Suresnes
  - Europe 2 Entreprise Subsidiary
- Lagardère Publishing Subsidiary
- Lagardère Sports and Entertainment Subsidiary · Boulogne-Billancourt
- Lagardère Travel Retail Subsidiary · Levallois-Perret, France
  - Relay Subsidiary · Toronto
  - LAGARDERE DUTY FREE Subsidiary · Levallois-Perret, France
    - DUTY FREE ASSOCIATES Subsidiary · Levallois-Perret, France
    - LAGARDERE INFLIGHT Subsidiary · Levallois-Perret, France
- Matra Subsidiary · Paris, France
  - Matra Électronique Subsidiary
- Perseus Books Group Subsidiary · New York, New York, United States
  - Basic Books Subsidiary · New York City
  - Da Capo Press Subsidiary · Boston
  - PublicAffairs Subsidiary · New York City
  - Running Press Subsidiary · Philadelphia
- Virgin Megastores Subsidiary · London
- Lagardere Travel Retail, a.s. Subsidiary · 50% · Beroun, Czechia
- Hachette Filipacchi Médias Subsidiary · France
- LAGARDERE DUTY FREE SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (LAGARDERE DUTY FREE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ) Subsidiary · Warszawa, Poland
- LAGARDERE FINANCE Subsidiary · Levallois-Perret, France
- LAGARDERE MEDIA Subsidiary · Paris, France
- LAGARDERE RESSOURCES Subsidiary · Levallois-Perret, France
- LAGARDERE TRAVEL RETAIL SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA Subsidiary · Warszawa, Poland
- Nîmes matin Subsidiary

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

Bragelonne

From Wikidata.¹

Timeline

2010Founded Founded¹

Sources

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

1
WikidataCastelmore on Wikidata
2
WikipediaCastelmore on the French Wikipedia