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Deanovich & Associates

(8)

Pipeline Security, Investigations, Security Services

“Our investigative TEAM, SACS Consulting, Investigative and Security Services is located in Ohio and from time to time we need to partner and depend on other security organizations across the U.”

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Sirius International Security and Investigations

Investigative Services, Sirius Security Services, Tactical

“We provide a full range of physical security services to commercial and industrial customers on four continents. The SIRIUS Dignitary Security Service, LLC is an industry leader in several geographic markets and functional areas of security, and is a...”

i

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Cavan Solutions Group

(8)

Company
Professional
Process Server

“He went out of his way to complete the service fast and quite literally walked down a snowy WV mountainside because the road was impassible, as well as dealt with his aggressive dogs to get it served.”

i

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Investigation Services of Frederick

(10)

Professional

“Jim is very professional and considerate.”

i

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Resolute CSI

(3)

“RESOLUTE is a "go to" agency for private investigations and personal security.”

i

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Schroeder & Associates Investigatons

(1)

“They found results the prior "investigator" missed.”

i

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Air-Arm Security and Investigation Services

“The difference between AASIS and other competing security companies is simply this. We can post unarmed and armed guards within short notice! Our guards are trained with pepper spray and Asp baton, CPR and observe and report. We are veteran owned and...”

i

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Target Investigations & Personal Security Services

(12)

Open Source Intelligence, Equipment, Databases

“Our go-to-Private Eye for all our divorce case.”

i

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Prudential Associates

(7)

Investigations & Intelligence Aquisition, Individual Clients, Corporate Clients

“Stern was able to meet with me; not only was I able to speak with him the very next day, but I felt that he understood exactly what my needs were and had the experience necessary to look into my husband without him knowing.”

i

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Shallbe Global Security

(23)

Consulting & Training, Armed & Unarmed Security, Background Investigations

“After completing the HQL and Wear & Carry Permit courses, I would highly recommend that anyone looking for their certifications enroll in their courses regardless of your experience level.”

i

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K17 Security

(6)

Training Services, Physical Security, Consulting Services

“We are grateful for his passion to keep communities safe and appreciate not only traveling the distance to work with our schools but for the ongoing information he has sent since our training when he comes across something he thinks would be benefici...”

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Fallin Investigative Services

(3)

“Mr Falling does a wonderful job of the requests you require.”

i

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State Protection Agency

(2)

“The young men who did some work for me were very thorough.”

i

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Diverse Services

i

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Aris Investigations

“Maryland Private Investigator Firm professional and confidential investigations.Maryland MD Private Investigators,Private Investigator Maryland MD,Private Detective Maryland MD,Adultery Investigations,Insurance Investigations,Background Investigation...”

i

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Precision Investigative Services

(1)

“Whether it was interviewing State's witnesses or tracking down witnesses to help the defense, they were always prompt and professional.”

i

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PI Solutions

(1)

“The email also included the GPS coordinates of the location of the service address, pretty neat!”

i

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All County Investigation

(1)

“Very pleasant, very professional.”

i

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Covert Surveillance & Investigations

(8)

Specializing in Adultery

“Always delivered exactly what I needed them to.”

i

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Constable Court Services

(4)

Investigative Services, Department OF Defense, Skip Tracing

“Is timely with service, returning Affidavits, and very cost effective.”

i

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Viken Investigations

(3)

Protection Services, Private Investigations, Cameras/Listening Devices/Gps Detection

“I was really impressed how easy it was to work with Viken Investigations.”

i

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AJI Private Detectives

(5)

Company

“We partnered with AJI Private Detectives to assist in an ongoingcase, Alex was very professional, informative, and provided crucial support to a very fluid investigation.”

i

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Global Investigative Services

(8)

Professional

“Great customer service”

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Vector Intelligence - Private Investigator

(2)

“Great results and a good value - fast turn around time and was very responsive to the needs of the case.”

i

Average Cost	$1332
Minimum cost	$333
Maximum cost	$10544
Avg Per Hour Rates	$139

Best Private Investigators in Frederick, MD

The highest-rated Private Investigator & Detective companies out of 189 vetted & reviewed in the Frederick area.

Deanovich & Associates

Sirius International Security and Investigations

Cavan Solutions Group

Investigation Services of Frederick

Resolute CSI

Schroeder & Associates Investigatons

Air-Arm Security and Investigation Services

Target Investigations & Personal Security Services

Prudential Associates

Shallbe Global Security

K17 Security

Fallin Investigative Services

State Protection Agency

Diverse Services

Aris Investigations

Precision Investigative Services

PI Solutions

All County Investigation

Covert Surveillance & Investigations

Constable Court Services

Viken Investigations

AJI Private Detectives

Global Investigative Services

Vector Intelligence - Private Investigator

Private Detective Services in Frederick, MD Cost Estimates

Why these companies made our list

Private Investigation and Detective Agencies near Frederick

Popular in Frederick