3 Best Private Investigation Service in Boston, MA

Expert-recommended Top 3 Private Investigation Service in Boston, Massachusetts. 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!

Shield Investigations - Boston, MA Private Investigation Service - Company Logo
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SHIELD INVESTIGATIONS

1 Washington Mall, Suite 1156,
Boston, MA 02108 Directions

Since 1998

Specialty:

✓Cheating Spouse ✓Surveillance ✓Counter Surveillance ✓Witness Location ✓Asset Investigation ✓Background Checks ✓Dating Background Checks ✓False Arrest ✓Missing Persons

" Shield Investigations provides comprehensive, confidential, and discreet private investigation services to clients all over the world. The company was founded by Smith, who worked undercover for 18 years in various organizations along the East Coast of the United States. Shield Investigations is a licensed and bonded private investigation firm comprised of professionals with a diverse range of backgrounds and disciplines in public and private sector investigations. They work diligently, effectively, and tirelessly to provide the information their clients are seeking. Their surveillance investigators can collect digital photo and video evidence for you while remaining undetected. They can provide you with research for criminal and civil court cases. Shield Investigations can also keep the results of their investigation confidential for companies that would prefer to handle potential fraud situations in-house.

2026 Highlights: Shield Investigations offers a range of investigative services, including cheating spouse investigations, surveillance, attorney services, asset location, background checks, witness locating, and more. The team provides tailored investigative support for individuals, attorneys, and organizations."

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License # LP0112J

Contact:

(617) 798-2135

Open 24 Hours

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Hub Security & Investigative Group - Boston, MA Private Investigation Service - Company Logo
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HUB SECURITY & INVESTIGATIVE GROUP

7 Whittier Place, Suite 108,
Boston, MA 02114 Directions

Since 2004

Specialty:

✓Asset Search Investigation ✓Background Check Services ✓Child Custody Investigation ✓Corporate Investigations ✓Counter-surveillance Services ✓Criminal Defense Investigation ✓Domestic Investigation Services ✓Due Diligence Investigation ✓Infidelity Investigation ✓Insurance Fraud Investigation ✓Missing Persons Investigation ✓Private Investigator Services ✓Process Serving Services ✓Skip Tracing Services ✓Social Media Investigation ✓Stalking and Harassment Investigation ✓Surveillance Investigation ✓Undercover Investigation ✓Witness Location Services ✓Workers’ Compensation Investigation ✓Security Assessments and Planning

“ 2026 Highlights: Hub Security & Investigative Group provides professional security services tailored to businesses, residential communities, retail establishments, construction sites, and events. Services include armed and unarmed security guards, mobile patrols, construction site security, and building protection. Hub Security & Investigative Group uses trained security officers and modern security techniques to help deter threats, control access, and respond quickly to incidents. Fully insured with a $3 million aggregate policy, the company focuses on protecting people, property, assets, and businesses through reliable and customized security solutions.”

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Contact:

(617) 857-1200

Open 24 Hours

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Bob Long Investigations and Security Consulting Group LLC - Boston, MA Private Investigation Service - Staff Working Image
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BOB LONG INVESTIGATIONS AND SECURITY CONSULTING GROUP LLC

One Marina Park Drive, Suite 1410,
Boston, MA 02210 Directions

Since 1990

Specialty:

✓Asset Searches ✓Business Intelligence ✓Character Due Diligence ✓Computer Forensics ✓Corporate Investigations ✓Executive Protection ✓Litigation Support ✓Locates ✓Missing Persons ✓Risk Assessment ✓Security Consulting Services ✓Surveillance ✓Undercover Investigations

“ 2026 Highlights: Bob Long Investigations and Security Consulting Group LLC provides professional character due diligence, investigative, and security consulting services for high-net-worth individuals and clients in the legal, corporate, and financial sectors. The Bob Long Investigations Group LLC helps clients make informed business decisions while identifying and mitigating potential risks involving personnel, property, assets, and reputation. The firm provides discreet, strategic investigative support tailored to complex personal and professional needs.”

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License #270328244

Contact:

(617) 590-1011

Mon-Fri: 9am - 6pm
Sat & Sun: Closed

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