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BEST RATED BALTIMORE, MD PRIVATE INVESTIGATION SERVICE

3 Best Private Investigation Service in Baltimore, MD

Expert-recommended Top 3 Private Investigation Service in Baltimore, Maryland. All of our private investigators actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

Castle Security Group - Baltimore, MD Private Investigation Service - Company Logo
Best Private Investigation Service in Baltimore MD - Castle Security Group video
5+ YEARS IN TBR
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CASTLE SECURITY GROUP

(5.0 Score)
9719 Pulaski Highway,
Baltimore, MD 21220 Directions

Since 1980

Specialty:

✓ Driving Record ✓ Background Checks ✓ Criminal Convictions ✓ Civil Litigation Investigations ✓ Worker's Compensation Claim History ✓ National Sex Offender Registry ✓ Prior Employment Investigations ✓ Personal References ✓ Pre-employment Drug Screening ✓ Social Security Number ✓ Education ✓ Employment Eligibility Verification ✓ Criminal Defense Investigations

"Castle Security Group is dedicated to delivering superior service to their clients and ensuring that their investigative needs are met. Paul Bressler is the owner of the firm. Castle Security Group offers exceptional detective work while providing personalized and committed support. Their goal is to provide accurate and timely information in a cost-effective manner that supports their clients in making decisions vital to their success. They serve a wide range of clientele and value every client relationship. They approach every case with a focus on honesty and aggressive pursuit of the truth. Castle Security Group has over 45 years of integrity, skill, and results. They have served some of the largest corporations, law firms, and insurance companies in the country. Castle Security Group has a reputation for excellence in providing smart, sensible, and affordable investigative solutions. They are abreast of the ever-changing field of investigations and fully committed to exceeding expectations. They also offer a free, no-obligation quote to every customer.

2026 Update: Castle Security Group generally replies within 24 hours to your queries."

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License #22PLU-SGPD3277 | #106-4976

Contact:

(410) 788-7800

Open 24 Hours

TBR® Inspection Report:

East Coast Investigations, Inc. - Baltimore, MD Private Investigation Service - Company Logo
5+ YEARS IN TBR
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EAST COAST INVESTIGATIONS, INC.

(4.9 Score)
Baltimore & Surrounding Areas,
Baltimore, MD 21201

Since 2007

Specialty:

✓ Surveillance ✓ Background Checks Investigations ✓ Process Service ✓ Internal Investigations ✓ Executive Protection Investigations ✓ Location Services Investigations ✓ Insurance Investigations

"East Coast Investigations, Inc. has over 35 years of investigative experience. They take pride in handling every case with sensitivity and professionalism. They have a results-driven approach to their clients. East Coast Investigations, Inc. works directly with you and updates you in real time. They realize this is an emotional time for you and your family and take pride in their dedication, discretion, and integrity. Their experience in both domestic and criminal investigations gives them an advantage in uncovering hidden truths. Their legal support services are centered around process service. All evidence is gathered under local and federal rules and regulations. The protection team understands that you are putting your faith in their hands. They can utilize physical and remote surveillance techniques.

2026 Update: East Coast Investigations, Inc. helps you uncover the hidden risks that could harm your business."

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License #22PLU-PD9388

Contact:

(443) 990-1324

Mon-Fri: 10am - 5pm
Sat: 11am - 3pm
Sun: Closed

TBR® Inspection Report:

Legal Eye Investigations, LLC - Baltimore, MD Private Investigation Service - Company Logo
Best Private Investigation Service in Baltimore MD - Legal Eye Investigations, LLC video
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LEGAL EYE INVESTIGATIONS, LLC

(4.8 Score)
Baltimore & Surrounding Areas,
Baltimore, MD 21061

Since 2015

Specialty:

✓ Infidelity ✓ Child Custody ✓ Skip Trace/Locate ✓ Social Media Investigations ✓ Process Service ✓ Missing Person Investigations ✓ Background Checks ✓ Business Trip Surveillance ✓ Electronic Surveillance ✓ Scene Investigations ✓ Stalking/Harassment Investigations ✓ Insurance Investigations ✓ Criminal Investigations ✓ Civil Investigations

“2026 Update: Legal Eye Investigations, LLC is a full-service private investigation agency proudly serving clients across Maryland. Whether you’re an individual seeking the truth or an attorney building a case, their experienced investigators deliver results with integrity, accuracy, and discretion. Legal Eye Investigations, LLC is a licensed Maryland private investigator agency serving Baltimore, Annapolis, Columbia, Rockville, Frederick, Bowie, and surrounding communities. They specialize in infidelity and child custody investigations, surveillance, missing persons cases, background checks, skip tracing, and evasive process service. Their experienced private investigators provide discreet, court-ready evidence for divorce, custody disputes, and civil litigation. Legal Eye Investigations, LLC, works with attorneys, businesses, and individuals throughout Maryland. Contact them today for a free, confidential consultation.”

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License #22PLU-PD6799

Contact:

(410) 921-5804

Open 24 Hours

TBR® Inspection Report:

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CASTLE SECURITY GROUP REVIEWS

Our company recently had the pleasure of working with Castle Security after a distressing situation involving stolen goods. From start to finish, their service was exceptional. Paul, in particular, went above and beyond in providing outstanding customer service. His professionalism, dedication, and clear communication made a stressful experience much easier to navigate. Castle Security’s expertise in tracking down our stolen items was impressive. They were thorough, meticulous, and efficient, and their efforts resulted in the successful recovery of our belongings. It’s clear that their team is not only skilled but genuinely cares about their clients. I highly recommend Castle Security to anyone in need of a reliable private investigator firm. Their commitment to excellence and Paul’s exemplary customer service make them stand out in their field.

Paul was extremely curtius and I was able to meet with him right away after calling for a appointment and he was able to find my ex husband within an hour or so after leaving his office so I am able to serve him with Divorce papers after trying to serve him for 5 years and only was able to get a recent address on him only to find out he had moved again so I hired Paul to help me find him and he did so very quickly will be using him again for any of my Private investigative services in the future.

Castle security group gets it done! Paul is a smart guy that is quite cunning in his approach to PI work. Definitely would use them again in the future.

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EAST COAST INVESTIGATIONS, INC. REVIEWS

Nick and Jason are wonderful. They are thorough and have a quick turnaround time with reports and information. We have used their services for many years. My husband as a business owner relies on their services.

Call back was quick. Was explained what they could due for me. Process was easy to navigate. Had my questions answered in last then 24 hours.

Bill was very professional and quick to respond to my urgent situation. Quick turnaround and immediate results. Highly recommend.

LEGAL EYE INVESTIGATIONS, LLC REVIEWS

I hired Legal Eye Investigations when I needed a private investigator in Maryland and the experience exceeded every expectation. From the very first call, they were professional, discreet, and clearly knowledgeable about Maryland investigative laws and procedures. Communication was clear, timely, and honest throughout the entire process, which immediately gave me confidence that my case was being handled correctly. The investigation itself was thorough and methodical. They provided detailed updates, accurate timelines, and high quality documentation that was easy to understand and ready for legal use. It was clear that this was not a generic investigation service but a licensed Maryland private investigator with real field experience and attention to detail. Every step was handled with professionalism and discretion, which was extremely important to me. What stood out most was how seriously they treated the case. There were no shortcuts, no vague explanations, and no pressure tactics. Just solid investigative work, clear evidence, and complete transparency. If you are looking for a reliable private investigator in Maryland for surveillance, background checks, or sensitive personal or legal matters, I would strongly recommend Legal Eye Investigations. They operate with integrity, experience, and a level of professionalism that is hard to find.

Had a great experience with Legal Eye Investigations in Maryland. Investigator Williams was great with communication and easy to work with. He handled my case quickly and kept me updated throughout the investigation. If you need a private investigator in Maryland for surveillance and infidelity investigations, I definitely recommend their reliable investigative services to get best results.

We hired Legal Eye Investigations and Detective Williams to assist with a complex custody case, and we couldn’t be more impressed with their service. From start to finish, they were speedy, attentive, and highly professional. Detective Williams handled every detail with care, and communication was clear and consistent throughout the process. Their quick turnaround and dedication gave us peace of mind during a very stressful time. If you need a private investigator who truly goes above and beyond, we highly recommend Legal Eye Investigations and Detective Williams.

TBR® Inspection Score Report

CASTLE SECURITY GROUP Total Inspection Points: 119/120
Complete Info: 9
Acknowledgments: 10
Business Hours: 10
Contact Info: 10
License: 10
Exact Services: 10
Experience: 10
Legitimate Ratings: 10
Location Proximity: 10
Reviews Study: 10
Website Source: 10
Website Standard: 10

TBR® Inspection Score Report

EAST COAST INVESTIGATIONS, INC. Total Inspection Points: 118/120
Business Hours: 9
Experience: 9
Acknowledgments: 10
Contact Info: 10
License: 10
Exact Services: 10
Legitimate Ratings: 10
Location Proximity: 10
Review Analysis: 10
Reviews Study: 10
Website Source: 10
Website Standard: 10

TBR® Inspection Score Report

LEGAL EYE INVESTIGATIONS, LLC Total Inspection Points: 116/120
Experience: 8
Complete Info: 9
Reviews Accuracy of : 9
Acknowledgments: 10
Business Hours: 10
Contact Info: 10
Exact Services: 10
Legitimate Ratings: 10
Location Proximity: 10
Reviews Study: 10
Website Source: 10
Website Standard: 10