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Trusted Private Investigation Services in Riverside, CA
CI&S Investigations is committed to delivering comprehensive, diligent, and timely investigative services to both public sector and private clients. Our mission is to assist clients in managing caseloads, uncovering critical information, and fostering peace of mind through unwavering dedication, persistence, and hard work. We specialize in surveillance, workers' compensation investigations, civil liability assessments, infidelity cases, family law matters, and court order compliance. Our team of licensed professionals adheres to the highest standards of ethical conduct, ensuring all findings are obtained lawfully and reported with absolute confidentiality. With a focus on unmatched determination and precision, we strive to be the premier private investigation firm in Southern California. Our agents employ advanced techniques to document activities, locate individuals, and gather material evidence, providing clients with actionable insights tailored to their specific needs.

We serve clients across industries, offering background checks, process serving, and DMV research to support legal, corporate, or personal matters. Every investigation is conducted under strict compliance with federal, state, and local regulations, ensuring reliability and legal integrity. Clients receive detailed reports and visual documentation, empowering informed decisions. Our BSIS-licensed team (PI License #26463) operates with transparency, offering personalized consultations to address unique case requirements. At CI&S Investigations, we prioritize client satisfaction, delivering results that uphold our reputation for excellence and trustworthiness in every engagement.
Services
Surveillance Workers' Compensation Civil Liability Infidelity Investigations Family Law Court Order Compliance Witness Statements Locate Services Background Checks Process Serving
Highlights and features
  • Our agents work with unmatched determination and intensity.
  • We provide comprehensive investigative services across Southern California.
  • Licensed by the Bureau of Security and Investigative Services (BSIS).
  • Strict adherence to ethical standards and legal compliance.
  • Personalized consultations to address unique case requirements.
Associations and certifications
  • BSIS
Services
Surveillance Services
CI&S Investigations conducts discreet surveillance to gather evidence for infidelity cases, insurance claims, and legal disputes. Our agents use advanced techniques to document activities accurately. Clients receive detailed reports and visual documentation to support their cases with actionable insights.
Background Checks
We perform comprehensive background investigations, including civil, criminal, property, and asset checks. Our services help clients assess individuals' histories for employment, legal, or personal purposes. All findings are delivered with strict confidentiality and regulatory compliance.
Process Serving
CI&S Investigations provides reliable process serving for summons, complaints, restraining orders, and debt collection documents. Our team ensures timely and lawful delivery to meet court deadlines, supporting clients' legal proceedings with precision.
Locate Services
We specialize in locating witnesses, family members, or missing persons through thorough research and fieldwork. Our services assist clients in reconnecting with individuals for legal, personal, or investigative needs across Southern California.
DMV Research
Our DMV research services include driver's license verification, vehicle ownership checks, and driving history reports. These investigations support legal cases, insurance claims, and personal matters requiring accurate motor vehicle data.
Questions
What services does CI&S Investigations offer?
We provide surveillance, background checks, process serving, DMV research, and locate services for legal, corporate, and personal cases.
Are your investigators licensed?
Yes, we hold a BSIS Private Investigator License (#26463) and adhere to all state and federal regulations.
How much do your services cost?
A non-refundable retainer is required before starting work. Contact us for a customized quote based on your case needs.
Do you serve areas outside Riverside?
We primarily serve Southern California, including Riverside and surrounding regions.
What payment methods are accepted?
We accept debit/credit cards and PayPal through our secure payment center.
How can I request a consultation?
Call 1-888-341-0662 for a free consultation to discuss your investigative needs with our team.
Reviews (4)
Quinn Mcdaneld
Dec 23, 2021 Report
If you are reading this, dont waste your time with any other private investigators. I had a fantastic experience. I was working on taking someone to small claims court. They quickly gave me much needed advice, and worked with me on a solution to my issue. Fantastic knowledge, customer service and great pricing! They have earned my business for anything else that may come up in the future. Highly recommend.
Rob De Vocht
Dec 03, 2020 Report
I did not retain their services, because he gave me the best advice for free. Thank you. Very honorable.
Cherrelle Taylor
Oct 31, 2020 Report
Brett Bittner discriminated against me all because I have a criminal record. He told me he would locate the search as a favor because of my situation, he had me jump through all kinds of hoops send certified documentation pictures of me and my children just for him to tell me no! Instead of keeping his word as a man when I offered unnecessary information and told him everything he needed to know.

He decides to go back on his word that he made several times to say hey I think I'll call the other party and give him a call and ask him if it's ok that I give mom the address. What did you absolutely
Kevin Brunson
Sep 15, 2019 Report
I personally would recommend CIS investigative services to anyone in need of a professional and very thorough investigator. I contacted the firm when I needed help with an investigation that involved child custody. The results were beyond expected and due to the diligence and investigative methods of CIS investigation firm I was able to present the findings to the court in my favor winning me sole custody of my child. Investigator Brett Bittner was very easy to communicate with and kept me a part of every aspect during the investigation. I would use his services again without question in regards