Licensed · NH & MA
Investigative Services
Kreymer Investigative provides licensed, court-ready investigative services across New Hampshire and Massachusetts. Every case is handled with complete confidentiality.
Covert Documentation
Surveillance
Stationary and mobile covert surveillance for infidelity, custody, insurance fraud, and corporate misconduct cases. HD video documentation to court-admissible standards.
Domestic
Infidelity Investigations
Discreet surveillance led by Derek Kreymer with 10+ years of field experience. Clear, documented answers — one way or the other — so you can move forward.
Records Research
Background Investigations
Source-verified background investigations that go beyond database aggregation — direct courthouse research, employment verification, financial history, and more.
Person Location
Skip Tracing
Locate individuals who have moved, changed contact information, or are deliberately avoiding contact — using licensed databases, public records, and field work.
Financial & Insurance
Fraud Investigations
Court-ready fraud cases for insurance companies, businesses, and individuals. Workers' comp fraud, embezzlement, vendor fraud, and civil misrepresentation.
Open Source Intelligence
OSINT Investigations
Cross-referenced public records, court dockets, social media, and digital footprint research compiled into one verified case file.
Family & Personal
Personal & Domestic
Compassionate, discreet investigations for personal matters — child custody, missing persons, caregiver vetting, and family law support across NH and MA.
Business Intelligence
Corporate Investigations
Elite corporate intelligence for businesses — executive vetting, fraud and embezzlement, TSCM counter-espionage sweeps, and M&A due diligence.
Attorney Services
Legal & Litigation Support
Court-admissible field intelligence for law firms and legal teams — witness location, asset discovery, service of process, and defense evidence gathering.
Family Law
Child Custody & Safety
Parenting-time compliance checks, safety documentation, and court-ready evidence for custody modification hearings in New Hampshire and Massachusetts family courts.
Family Law
Alimony & Cohabitation
Documented cohabitation evidence for alimony modification proceedings under RSA 458-C:5 — surveillance, records research, and a court-ready written report.
Insurance Investigations
Disability & Insurance Fraud
Surveillance-based fraud investigations for insurers, employers, and attorneys — workers' comp, long-term disability, and personal injury fraud, documented to court standards.
Legal Support
Witness Location
Locate witnesses, parties to litigation, and hard-to-find individuals for attorneys and legal teams across NH and MA — with nationwide coverage through our investigator network.
Speak with a licensed investigator today
Every conversation is confidential. Call now or send a message to get started.
(603) 288-2538