Established in 1993, Colleran Investigative Services has provided attorneys with the distinctive edge to prevail in both their criminal and civil cases.

To those attorneys specializing in the defense of indigents, Colleran Investigative Services has been a proud CPCS certified vendor for over ten years with a reputation that rivals any other investigative agencies.

We offer an array of services ranging from background profiles and surveillance, to victim/witness statements and criminal scene assessments.