Concord, CA
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Concord Private Detectives

Browse these private detectives with great ratings from Thumbtack customers in Concord.

  • 20 years in business
  • 96 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!!!

Top Pro
  • 13 years in business
  • 41 hires on Thumbtack
  • Top pro on Thumbtack
Dina R.
Verified review

K&K Confidential Investigations responded to my request for service immediately. They were very professional and took care of the process service within hours of speaking.

Top Pro
  • 17 years in business
  • 65 hires on Thumbtack
  • Top pro on Thumbtack
Harold R.
Verified review

We hired Delta private security for a wedding reception we had at McHenry Manor in Modesto. The guards were professional and arrived on time. Everything went very smoothly.

  • 6 years in business
  • 22 hires on Thumbtack
Sydni T.
Verified review

John got into contact with me immediately and performed great, accurate service and was very friendly, professional, and helpful. Highly recommend him as a private investigative resource that is cost effective.

Krollpfeiffer & Co.
4.4
from 8 reviews
  • New on Thumbtack
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.

Tabke & Associates
4.9
from 9 reviews
  • 7 hires on Thumbtack
Erin E.
Verified review

Gary has amazing insight. I used to think you only needed a private detective for following or finding someine. Recently we ran into a couple of situations that had us perplexed. They were around a sudden death and the final cal and legal aspects. Gary was amazing. He had great suggestions. Yet; the kindness, understanding and his ability to help defuse the emotions going on were priceless. He is a wealth of information.

  • 15 years in business
  • 1 hire on Thumbtack
Christopher B.
Verified review

Jim did a fantastic job for us on a very sensitive issue. He's very through and meticulous about his work. You will find him resourceful and easy to work with. Hopefully we won't need another private investigator anytime soon but if we did, this is the person we would go with.

McMackin Investigations
5.0
from 4 reviews
  • 1 hire on Thumbtack
Tom T.
Verified review

As a licensed private investigator for over 30 years, I am in constant need of experienced investigators to handle cases from the simple to the complex. I recently was in need of an investigator in the San Francisco Bay Area and Nancy came highly recommended by a fellow investigator. This case involved an international client. Nancy not only worked well with me, but represented my interests with the client equally well. She worked tirelessly on this case both day and night for over two months. I would recommend her without reservation.

  • 25 years in business
  • 9 hires on Thumbtack
Lauren P.
Verified review

I just came from meeting Steve yesterday. We hired him to place our business and two employees under surveillance. So impressed with his hard work that we hired him to manage all our background checks, penetration testing and investigations in the future.

Atlas Investigations
4.0
from 6 reviews
  • 22 years in business
  • 1 hire on Thumbtack
Cristina M.
Verified review

I hired Atlas Investigations to assist me with an infidelity issue. I was offered a free consultation where I got to meet the investigator assigned to my case. Frank was able to put a plan together for me that fit my budget, and my needs. I was very pleased with the results and the professionalism of Atlas Investigations! I would recommend them to anyone in need of a private investigator,

  • New on Thumbtack
About

We offer a full range of professional investigative services, including fraud investigation, surveillance, and elder abuse investigation.

  • 23 years in business
  • New on Thumbtack
About

Discovery Investigations consistently provides exceptional investigative services to our clients by employing the most innovative investigative methods available. The conduct of our private investigators will always be of the highest ethical and moral standards. As our client, you will be treated with the utmost respect and courtesy. Domestic Investigations Discovery Investigations offers a wide range of specialized private investigations and other professional services intended to detect and uncover infidelity, adultery, cheating spouses and unfaithful partners quickly and affordably. Our infidelity investigators, surveillance specialists, and forensic experts are highly trained and have extensive experience in their respective fields. Our agency is staffed entirely by active and retired law enforcement investigators to ensure your case is thoroughly investigated to its logical conclusion. We do the following: * Surveillance and Activities Checks * Covert Electronic Surveillance * GPS Tracking * Computer Forensics (Chat sessions, browsing histories, emails, and dating sites) * Hidden Video Technology * Divorce/Infidelity/Child Custody Corporate Investigations Let us, at Discovery Investigations, utilize our investigative experience in the nonprofit and corporate sectors to help you resolve your business dilemmas. No matter your investigative needs, our experienced investigators are ready to conduct thorough and comprehensive investigations in a timely manner. We do the following: * Surveillance and Activities Check * Intellectual Property Investigations * Hidden Video Technology * Internal Theft Investigations * Corporate Fraud * Due Diligence/Background Checks * Preemployment Screening * Background Research and Investigations Additional services are available upon request. Legal Investigations We are committed to helping point your case in the right direction. Whether needing to locate witnesses for deposition, subpoena services, or surveillance assignments, Discovery Investigations is your source for your legal investigative needs. We do the following: * Surveillance and Activities Checks * Crime Scene Reconstruction * Process Service/Notary * Witness Locates * Personal Injury Cases * Due Diligence/Background Checks * Trial Case Preparation

About

We have over 10 years experience specializing in infidelity and child support evidence cases. For a small fee we offer surveillance with a dvd and a formal investigative report to be used in court if needed. All our communications and findings are confidential. Hablo Español

  • 6 years in business
  • New on Thumbtack
About

I always hate questions like this because most of my peers are above board ethically and morally. Professionally, I am prohibited from disparaging my peers. What I can say is that when one receives a report from my agency, one knows the information is precise, accurate, and lawfully obtained.

About

I do surveillance of all types including child custody, extra marital affairs, criminal investigation, etc. You name it, I perform it.

  • New on Thumbtack
About

We handle every case on an individual basic with understanding and care.

  • 4 years in business
  • New on Thumbtack
About

We provide private security services for any event at any time. We are available from Mondays to Sundays at 12:00 AM to 12:00 PM, and even on holidays and weddings. Feel free to express what you need in great details.

About

I Provide a Quality Product for a Great Price!

  • 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

  • New on Thumbtack
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.

  • New on Thumbtack
About

We provide a full array of investigation services to include: * civil/criminal defense * legal research * surveillance * witness location * background investigation * subpoena service * insurance fraud, and many other services

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