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Columbia Private Investigators

Browse these private investigators with great ratings from Thumbtack customers in Columbia.

  • 22 hires on Thumbtack
Roberty S.
Verified review

As a former Federal Agent with Army Criminal Investigation Division/Command (CID) I've had the opportunity to know INV Harris for many years, and had the opportunity to work with him. INV Harris is one the most competent investigators I know and worked with. He is very detailed oriented, and has a logical and analytical approach to each investigation. With those traits, and the drive he possesses, I highly recommend INV Harris for any of your investigative needs. Robert Sirmons Jr. Private Investigator Army CID (Ret)

  • 4 years in business
Jeff W.
Verified review

Very Professional, he went above and beyond. I would recommend him to anyone who needs a Private Investigator that will get the job done.

Dean Investigation Agency
from 1 review
  • 19 years in business
  • 3 hires on Thumbtack
Elnora D.
Verified review

My firm has used The Dean Investigation Agency to conduct surveillance in family court matter and to interview witnesses in criminal matters. The investigators have always provided prompt service and produced results that were beneficial to my clients.

Private and Secure Inc.
from 1 review
  • 13 years in business
  • 1 hire on Thumbtack
Michael J.
Verified review

Derek was tasked with providing security at a sensitive event-a family funeral. An unsavory character had threatened to disrupt a solemn ceremony. Derek answered all of my questions before I made a decision through email, text and phone. He did not pressure me into choosing his services, but instead, provided expert consolation and made me aware of challenges and potential threats I had not thought of. Throughout the consultation, his professionalism, expertise, and empathy during a very difficult time were a reflection on his character. For me, this contrasted with a number of other quotes I received and finalized my decision to hire him- and I was not disappointed. The funeral was made possible, without disruption, because of Derek. I cannot recommend his services enough. Anyone can hire a bouncer, but when you need an insightful, tactful professional - you hire Derek.

  • 4 years in business
  • 1 hire on Thumbtack
Rebecca T.
Verified review

Trevor was very good to work with. Easy to talk with and undedstood my concerns. I would use him in the future and recommend him to others. Elizabeth


We conduct personal, confidential investigative services. We specialize in criminal defense, skip locating, interviews with witnesses, covert surveillance, research, death dependency verification, etc.


I can fly to you in a location of 200 miles from Columbia, SC. I can do a small investigation to locate a person.


TPT Investigations, LLC offers a wide range of investigations stemming from background, surveillance, child custody, expert witness, skip tracing, recorded statements to include examination under oath, criminal and civil investigations, asset investigations, and locate.


We offer the following services: * Private Investigations * Covert Surveillance * Investigations For Attorneys, Insurance Companies, Cheating Spouses, Workman's Compensation and Missing Persons We are licensed by the South Carolina law enforcement division and are professional detectives with many references available.


Dowling is an upwardly mobile private investigative agency which initiated numerous investigations that otherwise would not have been pursued. The goal is to ensure that its clients receive quality detailed investigative services. We have gained a reputation for quick and accurate assessment of situations using strong analytical and troubleshooting skills. Dowling is the owner of over 1.7 billion personal information records and provides professional consultation in criminal defense, industrial theft, background checks, and accident investigative cases. He is excellent with the use of both the technical and creative skills of photography. Being in possession of a valid U.S. passport, an international driver's license, as well as a lifetime membership in the international private investigative union, Dowling has the capability to work both domestic and internationally. He has extensive knowledge of the latest technology equipment, as well as the ability to see and understand things from another person's perspective. Dowling has over 30 years' combined law enforcement and private investigative knowledge and specializes in both state and federal criminal defense investigations. He is familiar with various aspects of business, personal, and criminal law. To date, he has won over 95% of all cases.


We provide private investigations (Insurance Fraud Workman Compensation) and are NRA and CWP weapons instructor. We are willing to travel 100 miles for training. We are a federal, and state of S.C. licensed firearms dealer. We sell handguns, assault weapons, rifles, and shotguns.


I am a professional and feel that my 25 years of law enforcement has prepared me for any investigation. I will always keep my clients informed of the progress of their case. There will not be any surprises when it comes to your bill from me. Every step I take with your case will be communicated with you. All information that is gathered is always confidential.


We are a well-respected and experienced PI firm, a full-service private investigation agency who's reputation speaks for itself. We offer the following services: * private investigator * insurance fraud investigator * criminal investigator


Over 30 years of combined experience from local private investigators with strong backgrounds in law enforcement, security, surveillance and more. We are reasonably priced and will work closely with you to get the evidence you need. We understand this is a difficult situation so contact us today and let us help you.

Q & A

Answers to commonly asked questions from the experts on Thumbtack.

What does a private investigator do?

First and foremost, good private investigators follow laws. Unlike on TV, they don’t break in windows or hack into hospital computer systems to get you intel. When you hire a private investigator, you’re hiring a professional to gather facts and find information for you. Although they can’t obtain certain information (such as health records), they do have access to information that most civilians do not. Often private investigators are hired to perform surveillance or background checks or investigate cases such as adultery, child custody, missing persons, hidden assets, or debugging, and theft or other crimes.

Private investigators can be hired to interview people and provide that information to the client, perform photo or video surveillance, monitor activity at a location where you suspect criminal activities or questionable behavior, track a person’s movements, find missing people, do deep-dive background checks, and more. Private investigation can be helpful if you’re trying to get a court order but need evidence. Private investigators can also help find birth parents. Nationally, the average price range for private investigation is $70-$210 per hour.

What does a private investigator cost?

Private investigation isn’t just for blockbuster action movies. Hiring a private investigator can help in all kinds of situations ranging from finding a birth parent to improving personal security. Nationally, the average price range for private investigation is $70-$210, although pricing often hovers between $40 and $100 depending on the complexity of the services you need. Where you live in the country will affect your costs for private investigation; larger cities have higher business overhead and a higher cost of living, which in turn means higher service rates. The complexity of your case can also affect cost. A basic background check may have a flat rate, while hiring a private investigator to help with your child custody case may require more legwork and research, and therefore cost more. Some private investigators work on retainer. A retainer is essentially a nonrefundable deposit you pay to the professional — meaning you have retained their services — who then works against that amount. Here are some examples of average private investigation costs:

  • Hourly rate: $60-$70; costs can vary based on current fuel prices.
  • Flat rate: $100 for comprehensive background investigation services.
  • Retainer: $1,500 minimum retainer required by some pros before starting work.

Actual Requests

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Need Private Investigator

Columbia, SC

  • Case type
  • Details
    Need PI on specific dates only. Married Couple
  • $1100
    Average price

Need a Private Investigator

Charlotte, NC

  • Case type
    Other (survellaince)
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