H · 28
- Hachette Books30
- Hachette Children's2
- Hachette UK4
- Hamish Hamilton4
- Harper47
- Harper Collins Publishers267
- Harper Element1
- Harper Fire13
- Harper North2
- Harper Perennial2
- Harper Teen2
- Harper Voyager45
- Harvard Business Review Press5
- Harvill1
- Harvill Secker5
- Hay House3
- Head Of Zeus14
- Headline Book Publishing40
- Headline Eternal1
- Headline Feature2
- Helm1
- Hemlock Press2
- Hodder & Stoughton105
- Hodder Children's Books1
- Hot Key Books11
- HQ Stories39
- Hutchinson & Co.publishers Ltd1
- Hutchinson Heinemann1