About Quest

Quest Associates of Ohio, LLC (“Quest”) has been based in Cincinnati, Ohio for over 12 years, and has earned a stellar reputation for professional investigations. Quest is a full-service investigative and security agency that operates worldwide, and offers a wide range of investigative and consulting services.

You don’t have to be a “Buckeye” to benefit from our services; they are now available to clients beyond state and national borders. With today’s high-tech operations, Quest can resolve your investigative needs whether you are in Ohio, across the country, or on another continent!

As with many professions, the private investigation industry has adapted to changing times and environments. While the basic fundamentals of investigation have not changed, the new generation of investigative tools and equipment facilitates a more timely approach to the successful result that our clients have come to expect from Quest.

Even with the most cutting edge technology, it is important to have a strong background in law enforcement and investigative experience. Quest combines the best of new technology with law enforcement experience and expertise in investigations, along with other assets, internal resources, and developed contacts, to ensure that we achieve the greatest success possible in meeting our clients’ needs.

Whether for a private individual, attorney, or corporation, we have the capability and experience to handle your case with the utmost discretion. Our developed resources enable Quest to identify and obtain information and records, meeting our clients’ requirements with great success.

Discretion and confidentiality are imperative, and at Quest, you can be assured that your case will receive just that. We pride ourselves on providing each client with quality service, and each assignment is managed with the individual attention it deserves. Quest’s strongest attributes are determination and persistence. Although the degree of sensitivity involved in each case may vary, we are motivated by, and dedicated to, obtaining the best possible outcome for each task assigned.

Should a situation arise in which you need discrete private investigative service, it would be our pleasure to be of assistance. You can be confident that Quest Associates of Ohio, LLC, will meet or exceed your needs.

Who Is Quest

Our mission is to provide the highest quality investigative and security services to each and every client. With professional and exceptionally skilled resources throughout the United States and around the world, we strive to provide thorough, responsive, timely, and accurate information to our clients. Quality is what Quest Associates of Ohio is all about.
There are no shortcuts in a thorough investigation, only diligence and effort.
Here at Quest we always promise you responsive highly skilled professional services that are both thorough and accurate, and delivered in a timely manor. Let Quest impress you today!
Quest really can help you. Our years of dedication to the security and investigative industry will reflect clearly in the results of what we do for your needs. So don’t “think” about it, call us today and let one of our seasoned investigative professionals discuss your needs and how we can help you achieve success. Contact us today.

The Quest Skills

Investigation Services 93
Security Services 95
Protection Services 85
Research, Analysis, and Consultations 85

About The Owner

Brenda Beyersdoerfer, a former Law Enforcement Officer, owns and operates Quest Associates of Ohio, LLC, a full-service investigative and security agency. Brenda graduated cum laude from Cincinnati State Technical and Community College with an Associate’s Degree in Technical Study/Law Enforcement.

After retiring from the Cincinnati Police Department, Brenda established Quest Associates of Ohio, LLC, bringing her years of experience and tenacious nature to the private sector. Through extensive contacts developed over the years, and personal dedication, Brenda is able to offer unique investigative insight and matchless security to both corporate and private clients globally and throughout the United States.

Brenda continually improves her impressive skills through education and training in the United States and abroad. Licensed in the states of Ohio, Massachusetts, New York and New Hampshire, Brenda is a member of OASIS (Ohio Association of Security and Investigation Services), a Board Certified Criminal Defense Investigator, a Reid Institute Member, and is certified in the Reid Technique, required by many federal, state, and local law enforcement agencies, as well as major corporations. Brenda has the background and credentials to have been admitted to the courts as an Expert Witness, and has testified in Federal and State courts throughout the state. Brenda’s persistent nature, along with her experience and expertise, is the strength and success behind Quest Associates of Ohio, LLC.

Brenda Beyersdoerfer
Brenda BeyersdoerferOwner

Quest Professional Affiliations

Ohio Association of Security & Investigation Services (OASIS)


American Society for Industrial Security (ASIS International)

ASIS International

National Association of Investigative Specialist (NAIS)


Criminal Defense Board Training Council

Criminal Defense Board Training Council

Reid Institute

Visit The Reid Institute

International Intelligence Network (Intellenet)

Visit Intellenet

National Fraternal Order of Police (NFOP)

Visit NFOP

Women's Business Enterprise National Council (WBENC)


Woman Owned Small Business (WOSB)

Visit WOSB