British Aircraft Companies - P
- Perkins
- Perman
- Perry-Beadle
- Peterborough
- Petre
- Petter
- Philips
- Phillips and Co. (circa 1909)
- Phillips, Arthur (circa 1908)
- Phillips, Henry Fentum (circa 1909)
- Phillips, Horatio (circa 1902)
- Phillips, Peter J.C. (circa 1990)
- Phillips & Powis
- Phoenix (circa 1917)
- Phoenix (circa 1958)
- Phoenix (circa 1985)
- Pickering and Willoughby
- Pickering-Pearson
- Pickersgill
- Piffard
- Piggot
- Pilatus Britten-Norman
- Pilcher
- Pilot
- Piper Target Technology
- Pivot
- Planes
- Planet