PRIVATE INVESTIGATIONS
AT THEIR BEST
Every case, every client, every detail — we listen, research, and uncover the truth with professionalism and discretion to protect your interests.
Our Services
Specialized Investigation &
Intelligence Services
Surveillance Services
Our surveillance operations are conducted with precision, discretion, and advanced technology to deliver credible and court-admissible evidence.
Background Investigations
We deliver comprehensive background investigations for individuals and organizations, helping clients make informed, risk-averse decisions.
Locating Individuals (Skip Tracing)
Our skip tracing expertise combines advanced investigative tools, databases, and field intelligence to locate individuals quickly and accurately.
Asset Investigations
We help clients uncover the truth about financial and property holdings, whether for judgment recovery, litigation preparation, or fraud prevention
Infidelity & Domestic Matters
Sensitive personal matters require the utmost discretion and empathy. Our investigators handle infidelity suspicions, divorce evidence, and domestic compliance cases
Corporate & Legal Investigations
We assist corporations and law firms with thorough investigations to protect business interests and support litigation.
Insurance & Fraud Investigations
Our insurance investigation team uncovers fraudulent claims through targeted surveillance, interviews, and evidence collection.
Process Service & Court Support
We provide reliable, timely legal process serving and comprehensive court support services to ensure smooth case progression.
Cyber Investigations & Digital Forensics
In today’s digital world, many threats originate online. We specialize in tracing electronic communications, investigating cyber harassment, and recovering lost or deleted data.
Custom Services
Our custom investigative services are tailored to meet unique client needs, ranging from undercover operations to property inspections.
Our Amazing Clients
Get the Truth
Contact Our Experts for Immediate Assistance
Why Choose Keystone Professional Investigation ?
At Keystone Professional Investigation, we are your trusted partner for precise, thorough, and reliable investigative services. Unlike firms that treat investigations as just one of many offerings, our sole focus is delivering the gold standard in information gathering and evidence collection. Clients can have complete confidence knowing their case is handled with professionalism, discretion, and confidentiality—producing results that not only meet but exceed expectations.
- Trusted Since 1980 Decades of experience serving Southeast Michigan across public, private, and federal sectors.
- Craftsmanship Meets Commitment We build lasting relationships with clients through personalized service and results-driven roofing.
- Ready, Equipped, and Reliable Our full fleet of specialized equipment ensures fast, safe, and seamless project mobilization.
Areas of Expertise
Corporate Security
Business Solutions
Family Law
Research
What Makes Us Different
At Keystone Professional Investigation, we specialize exclusively in professional investigative work—nothing else. This singular focus allows us to deliver unmatched accuracy, depth, and integrity in every case. We combine advanced techniques with years of expertise to uncover the truth while maintaining the highest standards of discretion. Our clients trust us to safeguard their interests, protect their privacy, and consistently deliver results that go beyond expectations.
- Over 28 years of investigative experience
- Results-driven, discreet, and professional services
- A commitment to confidentiality and client satisfaction
What Our Communities Say
Over 28 Years of Experience Providing Accurate and Meaningful Results
What We Do
Green Roof
Vegetation over waterproofing with elevated tiles for drainage. Adds durability, insulation, and eco appeal to rooftop systems.
Metal Roof & Walls
Durable, fire-rated roofing in custom styles, colors, and thicknesses. Combines strength, weather resistance, and sleek aesthetics.
Modified Bitumen
Multi-layered waterproofing with UV protection and high strength. Installable via torch, adhesive, or hot air for flexible.
PVC
Scrim-reinforced single-ply membrane in standard or custom colors. Durable and compatible with varied roof designs.
TPO
Thermoplastic membrane with wide-sheet options and color range. Reinforced for long-term reliability, flexibility, and easy install.
Built-Up
Time-tested system using layered felts and asphalt for low-slope roofs. Offers strong waterproofing and aggregate surface.
Coatings
Extend roof life with cost-effective coatings. Great for maintaining aging materials and delaying full replacement, when feasible.
EPDM
Synthetic rubber roofing in black or white. Comes reinforced or fleece-backed, installable via fastened, or ballasted methods.
Contact us today to discuss your investigative needs and let our experts assist you.
Let’s talk about how Keystone Pro Investigation can help you uncover the truth
Schedule your free consultation today and discover tailored investigative solutions.
