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Antioch Investigators

Browse these investigators with great ratings from Thumbtack customers in Antioch.

  • 20 years in business
  • 101 hires on Thumbtack
Monica L.
Verified review

Hired Rivera & Associate private Investigators for personal matters. I was about to make a big life decision when Roberto came on board! He is a life savor! Very professional, I strongly recommend him. A million Thank you!!!

Nero & Associates
4.6
from 53 reviews
  • 16 years in business
  • 139 hires on Thumbtack
Harry L.
Verified review

Investigator was was very efficient, did an excellent job, and was very friendly. I would utilize her services again and recommend her to others.

  • 3 years in business
  • 88 hires on Thumbtack
Ernest G.
Verified review

Personable. Anxious to help. Trusting. Investigation still in progress so to early to give a complete critique.

  • 23 years in business
  • 99 hires on Thumbtack
Sandy L.
Verified review

I can't even begin to say how wonderful these people are. I would rate them a 10 out of 5! The administrative side is very friendly and super quick to respond. The investigators are not only great at their job, they're compassionate and as caring as can be. Instead of crying through my experience, they had me laughing and made the painful part so much easier to bear. Their results were quick and they surprised me at how efficient they are. I hired them on Wednesday and got the info I needed by Saturday. Their pricing is reasonable - I am on a strict budget and they were able to work within it and still get me results. As you can see, I recommend them whole heartedly.

  • 6 years in business
  • 23 hires on Thumbtack
Easton B.
Verified review

Simply amazing ! This is pretty much my 5th hire of an investigator and no one was able to help for 2 years. John took over and simply took care of it. I still can't believe how he did what others weren't able to find. Not only did he help but he helped super fast. So thankful and will definitively recommend John to anyone! He is the best hands down and worth every penny. Not only is he professional but he is also compassionate and truly cares about his clients. I felt understood and even got advice from him he didn't even have to give me. I thank John from the bottom of my heart for helping out and would always use him again.

Krollpfeiffer & Co.
4.4
from 8 reviews
    Shem I.
    Verified review

    It's a business nightmare. I had a trusted employee whom I suspected of stealing large sums of money over an extended period of time. I didn't know what to do, but I did know who to call. I contacted Stephen Krollpfeiffer and explained the situation. He knew that if I confronted the employee I could be opening a legal can of worms. He instructed me to go about my business as if all was fine. He began his investigation and had soon documented proof of the theft. He even handled the termination. I appreciate that Stephen was very sensitive to my company's needs, and other than a few key individuals, no-one knew anything had happened. I was able to continue to focus on business and, thanks to Krollpfeiffer and Co, we never missed a beat. Now Krollpfeiffer and Co performs background checks on all new hires, so I'll never find myself in the same situation again. If you own a business, you can't afford not to have this same protection.

    • 18 years in business
    • 1 hire on Thumbtack
    Luke V.
    Verified review

    Central Investigation found bank accounts offshore that helped me collect on an old judgement I had from 7 years ago. Highly recommended Danny and his team.

    • 31 years in business
    • 29 hires on Thumbtack
    Colleen R.
    Verified review

    Frank was quick to respond to my request and was able to provide fast , affordable service. I would use him again in the future. He provided me with excellent video needed for my court hearing.

    • 8 years in business
    • 5 hires on Thumbtack
    Carlos P.
    Verified review

    Antoinette is absolutely amazing she has went above and beyond my expectations of your looking for a server hire her you will be very pleased , she is very responsive,knowledgeable and very good at what she does I contacted her and within one hour she met with me we went over the paperwork and she served and responded all within that one hour 👍

    Delphi Investigations
    3.0
    from 2 reviews
    • 43 years in business
    • 2 hires on Thumbtack
    About

    Providing clients with the information they need to make informed decisions. Over forty-two years in the field speaks for itself.

    • 22 years in business
    Suzie A.
    Verified review

    Matt Thompson was extremely helpful with a family law matter I had. He was very knowledgeable and was very detailed and fair with his pricing. I highly recommend him to anyone needing an investigator. I couldn't have got the desired results without his investigation. I would definitely use him again.

    Fishbaugh and Associates
    5.0
    from 1 review
    • 10 years in business
    • 1 hire on Thumbtack
    Nick G.
    Verified review

    Fishbaugh and Associates has helped me a couple different times now. Connie was amazing at getting me the answers I needed fast and I thought the service was very affordable. I will use them again if needed.

    Robert H.
    Verified review

    I have worked with Mr. Sanchez for many years. Mr. Sanchez is a skilled investigator and his vast experience will guarantee a quality work product. His experience will often reduce the hours needed to complete your case and reduce the end cost to the client. If your case involves the need for speaking Spanish, Mr. Sanchez is fluent in Spanish and you will save the cost of an interpreter. Mr. Sanchez is very trustworthy and you can be certain your case will remain confidential. Mr. Sanchez has my highest recommendation. Best regards, Robert Hessee Hessee & Associates Investigative Services

    • 6 years in business
    About

    We are licensed private investigators in northern California. We have networked with many talented attorneys, investigators, and law enforcement members. At Valley Investigations, we take our vast law enforcement, surveillance, and litigation experience and put it to work for you! Contact us today for a free consultation 24/7.

    • 8 years in business
    • 4 hires on Thumbtack
    About

    Nate is a California licensed private investigator (PI), with 6 years of experience and is operating out of the San Francisco Bay area. In addition to his experience as a professional PI, Nate served in the US armed forces, a private contractor in the Middle East and a vice and narcotic detective operating a K-9. Nate is a well-respected and trusted individual who has assisted his clients with sensitive investigations and work, to include the following: * Surveillance * Background checks * Computer forensics * Counter surveillance * Armed escorts * Protection services * Infidelities * Poor business practices * General monkey businesses * Tenant/landlord disputes * Vehicle tracking * Business disputes

    About

    ASAP Investigations provides legal support to attorneys in both civil and criminal matters. Our staff is highly trained and dedicated to our clients' needs. ASAP Investigations offers polygraph testing to the public as well as many other services.

    About

    Custom Protection and Investigation provides private security guard, private investigation, process server, mobile notary/notary signing agent services.

    About

    We provide surveillance video, interview, honest employee, research, property, backgrounds, locates, security and protection. We are professional and discreet.

    • 4 years in business
    About

    I am here to help you get answers. I am available 24/7, and I will do my best to get the proof you're looking for.

    About

    If you want efficient and effective legal research on criminal and civic litigation matter, I deliver. We deliver your expected end results when you need to interview, locate witnesses, do background investigations, and anything related to community sources and research mitigating issues for case and trial. I have over ten years in the criminal pretrial investigations and over five in the trial investigations, plus investigation in post habeas investigations. I am passionate about what I do, and I do it well. My past experience and expertise are the result of working for Alameda County Probation Department as a Pretrial Specialist and for San Francisco County as a Pretrial Investigator working with judges for defendants requesting their own recognizance release, drug diversion and probable cause hearing. My other expertise area includes investigator for defendants in state and federal court appeal process as well as a social worker, community outreach advocate and community coordinator of welfare to work program.

    About

    I Provide a Quality Product for a Great Price!

    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.

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