Business Details
50 Years
experience
Trusted Private Investigative Services in Green Bay
Since 1976, our firm has been a trusted provider of investigative and consulting services, delivering tailored solutions to businesses, legal professionals, and government agencies. Our team combines decades of experience with advanced technology to address security, litigation support, and risk management needs. We maintain the highest ethical standards, ensuring confidentiality and integrity in every assignment. With nationwide capabilities and a network of experts, we specialize in background screening, computer forensics, and process serving. Our commitment to continuous training and innovation has established us as industry leaders in the Midwest.We prioritize client satisfaction through prompt, professional service and customized approaches to complex challenges. Our reputation for excellence is supported by longstanding client relationships and industry recognition. Through strategic partnerships and affiliate programs like IRMA Associates, we offer comprehensive risk management solutions. Our focus remains on delivering reliable, results-driven services that protect our clients' interests and reputations.
Services
Background Screening
Computer Forensics
Cost Recovery
Gaming Solutions
Identity Theft Solutions
Litigation Support
Process Service
Surveillance
Investigations
Risk Management
Details
- Year established: 1976
Highlights and features
- Over 45 years of investigative experience
- Customized security solutions
- Nationwide service network
- Ethical standards adherence
- Advanced investigative technology
What people say
Immediate response
Professional manner
Experienced team
Ethical standards
Successful outcomes
Services
Background Screening
Our background screening services help businesses mitigate risk by verifying candidate credentials, criminal history, and employment records. We use comprehensive databases and customized protocols to ensure accurate, legally compliant results. Clients benefit from reduced turnover, enhanced workplace safety, and protection against negligent hiring claims.
Computer Forensics
We recover and analyze digital evidence for legal cases and corporate investigations. Our experts use specialized tools to retrieve deleted files, track cyber activity, and preserve electronic evidence. Services support litigation, fraud investigations, and regulatory compliance with strict chain-of-custody protocols.
Process Service
Our nationwide process serving network ensures timely, accurate delivery of legal documents. Certified servers handle routine, rush, and international requests while maintaining strict confidentiality. We provide proof of service documentation and court-ready affidavits for all assignments.
Surveillance
We conduct discreet surveillance operations using advanced technology for insurance claims, worker's comp cases, and personal injury investigations. Our trained operatives document activities through video and photographic evidence while adhering to legal and ethical standards.
Litigation Support
Our litigation support includes expert witness preparation, document analysis, and trial strategy consulting. Former law enforcement and legal professionals assist with case evaluation, evidence collection, and courtroom testimony preparation for civil and criminal cases.
People
Dennis Nelson
President
Dennis Nelson founded API's process serving division and serves as a NAPPS board member with 30+ years of legal service experience.
Robin D. Williams
Forensic Document Examiner
Certified document examiner with expertise in forgery detection, court-admitted expert witness, and 25+ years of forensic analysis experience.
Questions
What investigative services do you offer?
We provide background checks, surveillance, computer forensics, process serving, and specialized investigations for corporate and legal clients.
Are your investigators licensed and insured?
Yes, all investigators maintain required licenses and professional liability insurance for client protection.
Can you handle nationwide investigations?
Our network supports nationwide operations with local expertise in Wisconsin and affiliate partnerships across the country.
How quickly can you start an investigation?
Most cases begin within 24 hours of initial contact with emergency response options available.
Do you work with law firms and corporations?
We serve legal practices, insurance companies, and businesses with tailored investigative and litigation support solutions.