Publisher
- A & C Black1
- A. & C. Black3
- AUK Authors4
- AUK New Authors1
- Acorn Books1
- Adlard Coles1
- Adlard Coles Nautical1
- Allen & Unwin1
- Alpha1
- Alpha Books1
- Alpha, a member of Penguin Groups (USA) Inc1
- Amberley Publishing4
- Andrewes UK Limited1
- Andrews UK84
- Andrews UK Limited6
- Andrews UK Ltd8
- Arden Shakespeare1
- Arkana/Penguin Books1
- Arrow2
- Arrow/Guardian Books1