Detective Agencies in Bristol, Avon
| Name & Address | Phone # | Website |
| Alliance Investigation Services PO Box 1869, Bristol, Avon BS37 9DS | 01454 228677 |  |
| Anchor Bureau Of Investigation 129 Stoke Lane, Bristol, Avon BS9 3RW | 0117-962 2688 |  |
| Aztec Investigation (Nationwide) 700 Waterside Drive, Bristol, Avon BS32 4ST | 01454 620229 | |
| Castle Investigations 60 Westbury Hill, Bristol, Avon BS9 3UJ | 0117-904 2905 | |
| Glenwood Consultants Ridgehill, Bristol, Avon BS9 4SB | 0117-962 8228 | |
| Hennessey Investigations PO Box 131, Bristol, Avon BS16 2YE | 0117-939 2626 | |
| Neblina Castlemead, Bristol, Avon BS1 3AG | 0870-241 1649 | |
| Osborne's Investigations 9 Bramley Square, Bristol, Avon BS49 5HP | 01934 834685 | |
| Pelgate Investigations Ltd 50 Filwood Drive, Bristol, Avon BS15 4HS | 0117-961 0880 | |
| Q Branch Surveillance Specialists Regency House, Bristol, Avon BS4 5QH | 0117-907 4899 | |
| T C Investigations Ltd 1 Imperial House/Harley Place, Bristol, Avon BS8 3JT | 0870-027 0694 | |
| Wessex Enquiry Bureau 10 Windsor Court, Bristol, Avon BS16 6DR | 0117-904 7201 | |
| 007 Detectives Friary, Bristol, Avon BS1 6EA | 07017 410076 | |
