The National Voice of the Private Investigation and Security Professions
NCISS is the premier national association representing the nearly one million investigators and security professionals who protect the public, preserve justice, and keep our communities safe.
50
Years of advocacy
1M+
Professionals represented
1976
Founded nationally
NCISS 50th Anniversary Annual Meeting & Conference
August 20–22, 2026 · Nashville, Tennessee
Cambria Hotel Downtown Nashville
Celebrate 50 years of NCISS with education, networking, and recognition in Music City.
Resources for members and partners
Membership Benefits
Advocacy, training, discounts, and the national network.
Sponsor NCISS
Partner with the national association for investigators.
News & Publications
Association news and industry updates for members.
Advancing the profession. Preserving justice.
The National Council of Investigation and Security Services (NCISS) is the premier national association for private investigators and security professionals, representing the voice of the industry across the United States. NCISS advocates for the investigative and security professions by monitoring and influencing legislative and regulatory issues that directly impact the nearly 1 million professionals who work in these industries.
For members, NCISS provides free continuing education, training, and professional development opportunities to help professionals succeed. Members also gain access to exclusive discounts, corporate partnerships, and the nation’s most robust network of fellow professional members and industry experts.
Join us in advancing the profession, preserving justice, and making a difference.
- Federal and state legislative monitoring
- Nationwide professional network and referrals
- Continuing education and webinar library
- Member directory visibility and credibility
Sign the Bill of Rights Petition
NCISS is calling on Congress and the White House to recognize the importance of our profession and to safeguard the rights, resources, and tools necessary for investigators and security professionals to perform our duties effectively.
Our Sponsors
Organizations that partner with NCISS to support investigators and security professionals nationwide.
