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North Eastern Security Force
- Phone
- Company
“This is by far the best security guard service company that I have hired in my 15+ years as a regional loss prevention manager for a department store chain.”
Best Private Investigators near Germantown, MD
These agencies serve Germantown from nearby bases in towns including Washington, DC, Rockville and Fairfax, VA.
24 agencies listed · 10 open 24/7 · 13 open weekends · 23 rated 4.5+ · 3 show a license
Data verified October 21, 2026
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Prudential Associates
- Job
- Company
- Team
“After my company's servers were hacked, I contracted Prudential Associates (as recommended by a friend) to diagnose the situation, patch any vulnerabilities, and provide us with a comprehensive cyber risk-mitigation strategy.”
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Deanovich & Associates
- Festival
- Team
- Organized
“Peter & Paul Greek Orthodox Church on 7th Street in Frederick MD, highly recommends their services, they help us with all our large events, to maintain safety for all to enjoy the Greek Festival.”
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Silver Star Investigations
“I searched around for a few options, and am so glad I used Silver Star Investigations.”
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K17 Security
- Team
- Company
- Training
“Scott, who is a man of immense integrity and character, has also supported my family in assessing our home security and implementing strategies that we have come to rely on.”
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Positive Force Personal Protection
- Confidence
- Patient
- Knowledge
“I highly recommend this because there is so much going on in many different places and these classes are very effective and I guarantee that you will feel not only better but much safer at all times.”
The 24 agencies on this page are the private investigators listed for Germantown, MD. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
Area overview: Germantown, MD
23 of the 24 agencies on this page have a rating, from 4.5 to 5.0 across 576 reviews; 2 have 50 or more reviews. The topics that come up most in reviews of the agencies on this page are "efficient", "knowledge" and "results". 10 are open around the clock and 13 are open on weekends. 3 show a license on their websites and 4 have a BBB rating of A or A+. Domain records put 16 websites of the agencies on this page at ten or more years old; the oldest dates from 1998. 10 offer urgent consultations; 7 offer a free initial consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the agencies on this page; 18 publish a contact page and 15 list a public email. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Do investigators listed for Germantown discuss a case free?
7 of the 24 agencies state that a first consultation costs nothing. Use it to describe the problem and hear whether the work can be done lawfully at all. A straight agency will sometimes tell you on that call that what you want cannot be obtained, which saves you a retainer.
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State Protection Agency
- Security Agency
“Best security guard training class Ive been too.”
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Legal Eye Investigations
- Company
- Child Custody
“Best in the buisness”
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Global Investigative Services
“Great customer service”
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Columbia Process and Investigative Services
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Resolute CSI
“Barry is the only process server I use for my Carroll County and surrounding area service.”
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National Consulting & Investigative Services
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Stealth Investigative Agency
- Information
- Team
- Company
“Mack was pleasant to work with and always there to calm the anxious nerves, Can't thank him and the team enough for the support and guidance they provided.”
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Same Day Process
- Defendant
- Information
- Job
“I just called to inquire about general questions regarding serving dissolved corporations and the gentleman who answered the phone was informative, concise, and hospitable!”
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Aliass
- Efficient
- Job
- Questions
“I was in serious need of some investigative services at a reasonable price and just when I was about to give up due to lack of exceptional customer service I called Steve.”
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MVP Protective Services
- Learning
- Knowledge
- Instructors
“And did I mention that MVP Protective Services is THE ONLY BLACK-OWNED/VETERAN-OWNED/LEO-OWNED executive protection/security company in the NATION providing this level of training.”
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Protection Enforcement Agency
- Company
- Communication
“The biggest reason I would recommend them is for the constant open lines of communication and immediate response to any issues brought to their attention.”
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Associated Investigators
- Results
“They were able to assist me throughout my entire ordeal, whether it was the referral of legal counsel, obtaining discovery material, or actually performing service of court documents to the intended parties.”
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Interprobe
- Team
- Information
- Results
“I cannot say enough good things about Interprobe; not just for the professionalism but skill, guidance and emotional support in what has been a very difficult journey.”
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Capitol Inquiry
“Within two days they followed the guy from his place of work to his new residence.”
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Global Protective Division and Investigations
“Davis provided all the required equipment to safely learn how to handle a firearm, including hands-on practice with loading, unloading, and other gun mechanics prior to getting to the range.”
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Capitol Process Services
- Job
“We can't express enough gratitude and appreciation for the professionalism, speed, and diligence that Capitol Process Services exercises in assisting us with service issues.”
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All County Investigation
“Very pleasant, very professional.”
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Investigation Services of Frederick
- Divorce
“I asked Jim to help me to serve the divorce paper to my spouse, Jim exhibited exceptional professional ethics, and beside that acted as a compassionate human being.”
Private Detective Services in Germantown, MD Cost Estimates
Minimum cost
$345
Maximum cost
$10903
National Average
$1378
Avg Per Hour Rates
$144
$804
$2296
Average price range is based on 322 cost profiles
Why these companies made our list
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