Investigative and Security Services for Law Firms and Corporations

At Robinson Detective Agency, we provide investigative and security services made to fit the needs of law firms and businesses. Whether you need help with legal cases, workplace investigations, or security checks, our team is ready to assist. Explore our main services below to see how we can protect your interests and support your goals.

A group of lawyers are posing for a picture in an office.

Our Service Categories

For Law Firms

Partner with us for expert investigative services that strengthen cases and uncover vital information.


Legal Investigations

Support your litigation process with evidence gathering, witness interviews, and expert analysis.

Process Service

Timely and discreet delivery of legal documents across New Hampshire.

Surveillance Services

Reliable monitoring tailored for family law, corporate disputes, and criminal investigations.

Background Checks

Comprehensive vetting of individuals critical to your legal matters.


For Businesses

Safeguard your organization and address challenges with our specialized corporate investigative solutions.

Corporate Investigations

Identify and resolve issues such as fraud, embezzlement, and workplace misconduct.

Security Audits

Ensure your physical and operational security measures meet the highest standards.

Fire Watch Services

On-site monitoring to mitigate risks and ensure compliance with safety regulations.

Workplace Misconduct Investigations

Handle sensitive internal matters with discretion and efficiency.

Why Choose Us?
  • Proven Expertise: Many years of experience helping law firms and businesses get results.
  • Trusted Credentials: Certified member of NCISS and NAPPS.
  • Custom Solutions: Services designed to fit your exact needs.
  • Local Knowledge: Strong understanding of New Hampshire cities like Manchester, Nashua, Concord, and Portsmouth.
  • Privacy First: Your information is always kept safe and confidential.


Frequently Asked Questions

Got some questions for us? We're here to help!


  • What services does Robinson Detective Agency provide for law firms?

    We help law firms with many types of investigations. This includes collecting evidence, interviewing witnesses, and providing expert insights. We also handle process serving, background checks, and surveillance for cases such as family law or criminal matters.

  • How can Robinson Detective Agency help businesses?

    We offer services that protect businesses from risks. This includes investigating fraud, theft, or workplace issues. We also perform security checks to spot weak points and provide fire watch services to keep workplaces safe and compliant.

  • What makes Robinson Detective Agency different from others?

    We stand out because of our experience, trusted certifications from NCISS and NAPPS, custom solutions, strong local knowledge of New Hampshire, and strict commitment to privacy.

  • How does Robinson Detective Agency protect confidentiality?

    We make privacy a top priority. Every case is handled with care and discretion so your information stays safe at all times.

  • Where in New Hampshire does Robinson Detective Agency work?

    We serve clients across the state, including Manchester, Nashua, Concord, and Portsmouth. Our team offers personalized investigative and security services wherever you are in New Hampshire.