Best Private Investigators in Houston, TX

The highest-rated Private Investigator & Detective companies out of 168 vetted & reviewed in the Houston area.

Advanced Investigative & Screening Solutions

Advanced Investigative & Screening Solutions

(49)
Polygraph / Lie Detector, Locates / Missing Persons, Cheating Spouse Investigations
“I had a concern about extra marital affairs my wife may have been engaged in and this guy walked me through all my concerns and the best options to resolve my concerns.”
Transparent Fees & Pricing
In Business Since 1999
Licensed, BBB Accredited
4606 Farm to Market 1960 Rd W #400, Houston, TX
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Aces Private Investigations Houston

Aces Private Investigations Houston

(44)
  • Questions
  • Office
  • PI
“Not too long ago I requested the services of a construction guy to do a job at my residence, this dude came into my residence misled me into giving him a part payment when he's even not started the job yet.”
Free Initial Consultation
Emergency Services
In Business Since 2016
Licensed, BBB Accredited
1001 Texas Ave Suite 1400, Houston, TX
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Panoramic Investigations

Panoramic Investigations

(45)
  • Results
  • Email
  • Money
“He literally pulled over on the side of the road (he was driving when I called) and found the contractors home address and texted it to me immediately.”
In Business Since 2012
3616 Richmond Ave., Houston, TX
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Gradoni & Associates

Gradoni & Associates

(40)
Corporate Investigations, Family Law & Divorce, Criminal Defense
“I hired Gradoni and Associates to help me with a background check on a family member who I've been suspecting of not being the person they claimed to be.”
Accepts All Major Credit Cards
In Business Since 1994
Licensed
13810 Champion Forest Dr # 210, Houston, TX
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Cassaro Private Investigations & Security Services

Cassaro Private Investigations & Security Services

(30)
  • Money
  • Chose
  • Sister
“They replied quick to every call and texts, they stayed up late nights working hand and foot on the case, they helped us with many interviews and spreading the word, they even helped my sister with getting out of state and back and was by her side e...”
Free Initial Consultation
Emergency Services
In Business Since 2021
Licensed
3303 Farm to Market 1960 Rd W, Houston, TX
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Houston Process Servers

Houston Process Servers

(32)
  • Team
  • Documents
  • Email
“Extremely pleased with the work done by Houston Process Servers, which we recently hired in connection with a defendant located in Houston (our firm is in Florida).”
Family Business
Free Initial Consultation
In Business Since 2018
Licensed
2401 Fountain View Dr Suite 461, Houston, TX
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My Armor Services

My Armor Services

(23)
  • Job
  • Compassion
  • Organized
“And the 2 officers who we worked with at transport were kind, very knowledgeable, asked all the right questions to ensure everyone's safety, but were all business when the time came.”
Free Initial Consultation
In Business Since 2011
Emergency Services
134 Vintage Park Blvd, Houston, TX
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Kimmons Investigative Services

Kimmons Investigative Services

(2)
Arson and Fire Investigations, Asset Discovery Services, Global Security Services
“True story --the first Houston PI we called told me the job was impossible, wouldn't take it, and that any PI who said otherwise just wanted to steal my client's money.”
Transparent Fees & Pricing
In Business Since 1988
Licensed, BBB Rating: A+
5177 Richmond Ave. #1190, Houston, TX
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S.i.s. Process Service

S.i.s. Process Service

(16)
  • Job
  • Future
  • Price
“I was able to upload the documents that I needed to be served, chose the type of service I was needing (which I chose the RUSH option due to the nature of the matter) and process server Nicholas Ory was able to complete the service of my documents, a...”
Emergency Services
In Business Since 2020
JBCC, JBCC, JBCC Certified
25807 Westheimer Pkwy, Caroline St Suite 415 201, Houston, TX 77494
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Powerhouse Discovery

Powerhouse Discovery

(11)
Ediscovery, Digital Forensics, Paper Discovery
“We look forward to continuing our partnership with Powerhouse Discovery for future projects, as their exceptional team and outstanding service have undoubtedly earned our trust and loyalty.”
Emergency Services
20+ Years Experience
SAS- Certified
2900 Smith St Suite #130, Houston, TX
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Powerhouse Forensics - Digital Forensics Experts

Powerhouse Forensics - Digital Forensics Experts

(4)
Column 4, Column 3, Column 1
“I have been relying on Gary and his team at Powerhouse Forensics for various digital investigations and computer forensics services for over 3 years now.”
Free Initial Consultation
In Business Since 2021
Emergency Services
2900 Smith St #100, Houston, TX
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007 Intel Private Investigations

007 Intel Private Investigations

(1)
“In addition to that, I have had them do lookups of new potential employees, so that we can feel safe and secure with our new hires.”
Free Initial Consultation
Emergency Services
In Business Since 2021
Licensed
5535 Memorial Dr, Houston, TX
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Jaguar Security and Investigations

Jaguar Security and Investigations

(8)
“Good Company”
In Business Since 2016
Emergency Services
10301 Northwest Fwy #308, Houston, TX
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Acta-Pannell - Investigations • Research • Processing

Acta-Pannell - Investigations • Research • Processing

(2)
“The professional approach to handling my situation was truly outstanding.”
Emergency Services
Accepts All Major Credit Cards
Transparent Fees & Pricing
In Business Since 1972
5100 Westheimer Rd, Houston, TX
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Main Security and Investigations

Main Security and Investigations

(11)
Concierge and Doorman Services, Bodyguard and Executive Protection Services, Cctv & Control Services
“Working at MSI was one of the best opportunities I have ever had, from the very beginning the instructors were pleasant knowledgeable and offered me training and whenever I asked for.”
In Business Since 2017
Licensed
10103 Fondren Rd Suite 426A, Houston, TX
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Atlas Security & Investigations

Atlas Security & Investigations

(15)
  • Company
“She treated her supervisors and colleagues with respect (especially me), but she would never associate with anyone who did not exhibit similar good values and morals.”
In Business Since 2015
505 N Sam Houston Pkwy E #100, Houston, TX
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Janissary

Janissary

(4)
“Great place to do business with.”
Emergency Services
In Business Since 1999
SBA Certified
306 Main St 3rd floor, Houston, TX
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Applied Operations Security & Investigation

Applied Operations Security & Investigation

Bodyguards, Security, Investigations
“Summer pool season used to be a nightmare for me. I dreaded the pool season for various reasons including the lack of proper enforcement of the community pool rules. Since we hired you guys, I must say that I now look forward to the summer pool seaso...”
Emergency Services
In Business Since 2005
Licensed
7322 Southwest Fwy #1100, Houston, TX
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Tri Shield Security & Investigations

Tri Shield Security & Investigations

(4)
Personal Protection Officers, Private Investigators, Security Officers
“Plenty of ot currently and never issues with management”
Free Initial Consultation
In Business Since 2023
Licensed
1980 Post Oak Blvd Suite Ste 100, Houston, TX
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Berg Plummer Johnson & Raval

Berg Plummer Johnson & Raval

(7)
  • Team
  • Law Firm
  • Disability
“I encourage "All" who need the "Best" , "Professional" representation" in a LTD issue to please contact Mr.”
In Business Since 2016
Free Initial Consultation
3700 Buffalo Speedway #1150, Houston, TX
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A. K. Gardner Law

A. K. Gardner Law

(3)
Products Liability, Personal Injury, Bicycle Accident Injuries
“I've known Andrew a very long time and have worked with him on personal injury related matters, he is someone that fights hard for his clients and is a diligent and thorough attorney.”
In Business Since 2016
Free Initial Consultation
5600 NW Central Dr #100B, Houston, TX
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Metropol Security Services

Metropol Security Services

“Understanding the psychodynamics of interpersonal violence has made Metropol Security Services a value driven watch, guard and patrol organization committed to excellence. Whether you're looking for a complete security solution or a specific assignme...”
In Business Since 2010
Emergency Services
10601 Grant Rd Suite 215, Houston, TX
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R.g.g. Services

R.g.g. Services

(2)
“I worked for this agency for many years, they are good employers.”
Family Business
Free Initial Consultation
In Business Since 2000
Licensed
4800 W 34th St c7, Houston, TX
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Swailes & Company

Swailes & Company

(2)
Employment Background Checks, Investigations, Digital Forensics
“His team has helped on many projects and continues to be our go to resource for computer forensics.”
Family Business
In Business Since 1997
Licensed
2800 Post Oak Blvd STE 4100, Houston, TX
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Private Detective Services in Houston, TX Cost Estimates

Minimum cost
$375
Maximum cost
$11866
National Average
$1499
Avg Per Hour Rates
$157
$875
$2498
Typical price range is based on 450 cost profiles
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Average Cost $1499
Minimum cost $375
Maximum cost $11866
Avg Per Hour Rates $157

Typical range $875 to $2498 is based on 450 cost profiles.

Why these companies made our list

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