Best Private Investigators in Houston, TX

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

Ranger Guard and Investigations

Ranger Guard and Investigations

(29)
Building Security, Foot Patrol Services, Armed Security
“I called the owner of Ranger Guard to report suspicious activity and he was very interested and concerned and took down the information to be on the lookout.”
In Business Since 2020
Emergency Services
4660 Beechnut St Suite 200, Houston, TX
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Edward Michael Investigations

Edward Michael Investigations

(29)
  • Information
  • Business
  • Honest
“Called Edward Michael on a matter (quick background check); he was very prompt & professional, up front about how much a more extensive investigation would cost, & did not charge me for my time.”
Accepts All Major Credit Cards
In Business Since 2001
Licensed, BBB Rating: A+
5100 Westheimer Rd #200, Houston, TX
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Advanced Investigative & Screening Solutions

Advanced Investigative & Screening Solutions

(30)
Polygraph / Lie Detector, Locates / Missing Persons, Cheating Spouse Investigations
“This course gives you an informative and comprehensive understanding of more than just surveillance, but also the ins and outs of being in the investigation field.”
Transparent Fees & Pricing
In Business Since 1999
Licensed, BBB Accredited
4606 Farm to Market 1960 Rd W #400, Houston, TX
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GT Security Solutions

GT Security Solutions

(27)
  • Job
  • Information
  • Company
“This a great company to work for I have been in the security industry for a long time and this has been of the best company I have worked for they really treat you like family”
Emergency Services
In Business Since 2017
Licensed
12 Greenway Plaza Suite 1100, Houston, TX
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Houston Process Servers

Houston Process Servers

(29)
  • Email
  • Job
  • Price
“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. Ste 224 Unit, #1040, Houston, TX
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My Armor Services

My Armor Services

(21)
  • God
  • Compassion
  • Job
“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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Gradoni & Associates • Private Investigators

Gradoni & Associates • Private Investigators

(29)
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
2611 Cypress Creek Pkwy c100, Houston, TX
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Kimmons Investigative Services

Kimmons Investigative Services

(2)
High Tech Services, Surveillance, Personal Protection 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 1986
Licensed, BBB Rating: A+
5177 Richmond Ave. #1190, Houston, TX
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Cassaro Private Investigations

Cassaro Private Investigations

(13)
  • Professional
“Very appreciative for your patience and hard work.”
Transparent Fees & Pricing
Emergency Services
In Business Since 2021
Licensed
3934 Farm to Market 1960 Rd W #370, Houston, TX
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Panoramic Investigations

Panoramic Investigations

(26)
  • Quality
  • Email
  • Company
“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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Spectre Protection & Investigations

Spectre Protection & Investigations

(9)
  • Company
“Elite security, every time!”
Emergency Services
In Business Since 2020
Licensed
6720 Sands Point Dr #202, Houston, TX
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Jaguar Security and Investigations

Jaguar Security and Investigations

(9)
“Good Company”
In Business Since 2016
Emergency Services
10301 Northwest Fwy #308, Houston, TX
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Atlas Security & Investigations

Atlas Security & Investigations

(15)
Industries
“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
Licensed
505 N Sam Houston Pkwy E #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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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 1974
5100 Westheimer Rd, Houston, TX
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E M Investigation

E M Investigation

(1)
“I recommend 100%.”
Free Initial Consultation
In Business Since 2010
Emergency Services
7015 Gulf Fwy # 225, Houston, TX
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Kress

Kress

(2)
Verification & Credentialing, Driving Records, Social Media Screening
“Love the customer service and fast turnaround time!”
Free Initial Consultation
In Business Since 1994
Accepts All Major Credit Cards
13105 Northwest Fwy Suite 1050, Houston, TX
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Applied Operations Security & Investigation

Applied Operations Security & Investigation

In Business Since 2005
Emergency Services
7322 Southwest Fwy #1100, Houston, TX
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Blue Moon Investigations

Blue Moon Investigations

Missing Persons, Surveillance, Background Checks
“Blue Moon Investigations is a successful combination of an elite management team, highly trained investigators who utilize state of the art equipment, as well as worldwide affiliations and capabilities. Blue Moon provides Investigators that offer a c...”
Emergency Services
Accepts All Major Credit Cards
In Business Since 2008
Licensed
957 E NASA Pkwy, 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

“Wetake great pride in providing quality security services.We achieve this by goal by goal, building strong relationships with our clients,staff and service providers. We are a client driven firm,and all our systems, are created and maintained with yo...”
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, Business Investigations, Digital Forensics
“His team has helped on many projects and continues to be our go to resource for computer forensics.”
In Business Since 1997
2800 Post Oak Blvd Suite 4100, Houston, TX
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Frizell Group International

Frizell Group International

(1)
Private Investigations, Corporate Compliance
“Best place for off duty police officers and investigations”
Free Initial Consultation
In Business Since 2000
Accepts Cash, Check
501 Heights Blvd, Houston, TX
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Finley Enterprises

Finley Enterprises

(1)
Home Theater Systems
“🙏🏾xpozher boutique galleria was blessed to have met such a professional and knowledgeable dream team in technology!”
In Business Since 2001
Free Initial Consultation
3438 Rosedale St #1, 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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