Private Investigators in Knottingley
| M T M Investigations 01709 881882 | Rotherham, South Yorkshire S63 8JD 20.8 mi Lowfield Road | Call NowDetails |
| Discreet Investigations 0844 850 5096 | Leeds, West Yorkshire LS1 5JF 23.3 mi Park Row House | Call NowDetails |
| Leeds Detectives 0113 283 9691 | Leeds, West Yorkshire LS2 8AJ 23.5 mi 15, Queen Square | Call NowDetails |
| 247 Detectives 0845 230 1079 | Mexborough, South Yorkshire S64 8BH 23.7 mi Swinton Bridge Industrial Estate | Call NowDetails |
| 1st Call Batley Detectives 0844 411 0622 | Batley, West Yorkshire WF17 5SU 25.8 mi Thornpark House | Call NowDetails |
| North By Northwest Investigations 07845 506363 | Doncaster, South Yorkshire DN9 3GE 27.9 mi Fourth Avenue | Call NowDetails |
| Stephenson's Investigations 0113 345 6698 | Leeds, West Yorkshire LS13 9BL 28.6 mi PO Box 136 | Call NowDetails |