A UK-based software house run by Richard Wildey between 1992 and 1995.
Sentinel sold commercial software including:
- Zap't'Balls (Advanced Edition) by EGS
- Soundtrakker by BSC (only 10 copies ever imported)
- Xexor by Richard Wilson
- Pro-Ext by Richard Fairhurst
- RoutePlanner by Richard Fairhurst
- TUSS by Richard Wildey
- DesText by Richard Wildey
- a series of programming tutorials by Robin Gilbert of Pipeline Software