Cipriano & Marques Investigations
Francisco J. Marques
Cipriano & Marques Investigations
This company is a non‑member of the Ohio Association of Investigative & Security Professionals (OAISP)
581 Chipplegate Dr
Dayton, OH 45459
Phone: 937‑321‑1708
Email: mail@pidayton.com
Website: http://www.private-investigator-ohio.com
Professional Profile — Private Investigative Services
Cipriano & Marques Investigations, led by Francisco J. Marques, provides professional investigative services throughout Dayton and the surrounding regions. Although the company is not a member of OAISP, it maintains a strong commitment to lawful, ethical, and professional investigative practices.
The agency focuses on private investigations, background research, surveillance, and legal support services, assisting private clients, businesses, attorneys, and organizations requiring reliable and confidential investigative assistance.
Mission Statement
To deliver ethical, accurate, and client‑focused investigative services that support legal processes, protect client interests, and uphold the highest standards of professionalism, confidentiality, and integrity.
Professional Standards & Operating Principles
Cipriano & Marques Investigations operates with strong emphasis on:
- Confidentiality and responsible information handling
- Accurate, unbiased reporting and documentation
- Ethical investigative practices
- Respect for privacy, property, and legal boundaries
- Clear communication and client transparency
Core Services
General Investigative Services
Factfinding, documentation, and case support for private, corporate, and legal clients.
Background & Records Research
Criminal, civil, and administrative record inquiries, public‑records research, and verification services.
Surveillance & Observational Reporting
Covert monitoring, time‑stamped documentation, and detailed reporting for personal, corporate, and legal matters.
Attorney & Legal Support Services
Case preparation assistance, documentation, and investigative support for legal professionals.
Professional Commitment
Cipriano & Marques Investigations maintains strict adherence to:
- Confidentiality and privacy protections
- Responsible evidence handling
- Ethical investigative practices
- Professional communication and client‑centered service





