A civil investigation is an investigation to collect data and supporting materials for a civil legal matter, such as a lawsuit claiming damages, property etc. Both sides in a case may conduct an investigation to compile materials, documents they will use to press a case or refute claims, depending on the situation. Square Investigation Experts work with lawyers who specialize in civil matters and strengthen the case with their investigation skills.

In a civil investigation, experts may use variety of tools to collect information which include interviewing people, taking photographs, gaining access to various records, and conducting surveillance, fingerprint comparison. The goal is to gather as much information as possible, so the lawyers can sift through it to see what will be useful in court. Square Investigation Experts conduct civil investigations to try and prove insurance fraud; identify sources of undisclosed income in child support cases, and for a variety of other purposes.