Image courtesy of Professional Advice

Private Investigators & Expert Witness Support the
National Center for Missing & Exploited Children
(click on a below name for more information)

Breaking News: Taglines
Missing Kids::

Claim or add your Private Investigators or Expert Witness listing FREE !

"Nearly 80% Of Consumers Turn To Private Investigators or Expert Witness Directories With Reviews To Find A Local Business."

Private Investigations Network (Pi-Network)

Target your audience

List your Private Investigator or Expert Witness expertise with precision to reach your intended audience.

Audience Targeting

Our directory listing enables you to accurately reach your targeted audience within your field of expertise.
Submit Listing
Private Investigations Network (Pi-Network)


Market your Private Investigator or Expert Witness services to your target audience in a professional manner.

Targeted Promotion

Our premium features enable you to effectively market your services to the target customer base that seeks your expertise. Utilize our array of promotional tools and add-ons to extend your reach in a professional capacity.
Submit Listing
Private Investigations Network (Pi-Network)


Convert your Private Investigator or Expert Witness Listing Visitors to Clients!

Smart Conversions

Present your services and expertise with precision to guarantee optimal conversion rates amongst visitors. If you require any assistance, do not hesitate to seek our professional guidance.
Submit Listing

Private Investigators Listings Other Legal Expert Listings Expert Witness Listings FREE

Private Investigations Network (Pi-Network)
Private Investigators
Know your Expert
Check their professional credentials, degrees, licenses, and board certifications. Examine their memberships, associations, publications, and litigation history. Review their criminal record or disciplinary actions, consumer complains and/or malpractice claims.
Did you know?
Many of the professions that testify as expert witnesses, such as private investigators, medical malpractice experts, and others, are required by certain states to be licensed, and bonded.
Legal Expert
A legal expert is a person with specialized knowledge in law, often called upon in legal proceedings to assist in understanding complex issues. They can be advisors, consultants, or officers with legal qualifications and experience.
Expert Witness
An expert witness is a person with specialized knowledge in a field, called upon in legal proceedings to assist in understanding complex issues.
Private Investigator
A private investigator is a licensed professional who helps clients solve civil or criminal cases. They verify claims, research crimes, assist with finding people, and collect evidence
Computer Forensics
Computer forensics is a branch of digital forensic science. It involves identifying, preserving, recovering, analyzing, and presenting facts about digital information found in computers and digital storage media
Digital Forensics
Digital forensics is the process of uncovering, interpreting, and preserving electronic data for use in investigations. It involves examining material found in digital devices
Computer vs. Digital Forensics
The key difference between computer forensics and digital forensics lies in the scope of the investigation
Traffic Accident Reconstruction Expert
A traffic accident reconstruction expert is an individual who uses scientific methods to analyze an accident. They consider factors like vehicle positions, scene evidence, and witness statements to determine cause, speed, and driver behavior

Welcome to the Pi-Network

Welcome to the Private Investigators Network! Our Private Investigator and Expert Witness Directory is new, but we aim at becoming the global premier resource for private investigators, expert witness and legal professionals. As a national directory of private investigators and legal experts, we are a community of professionals who share a passion for finding the truth, solving legal problems, and helping our clients and communities. Whether you are looking for a private investigator, a legal expert testimony, or a reliable source of information, you have come to the right place.

The Private Investigators Network is more than just a private investigators and expert witness directory. It is a platform for connecting, networking, learning, and growing as legal professionals. You can browse our database of qualified and experienced private investigators, expert witness or legal experts, or just read our informative blogs on various topics related to private investigation, legal testimony, recent legal rulings, and join our network of members who can offer you advice, support, and referrals. Additionally, you can advertise your services and showcase your expertise to potential clients and partners.

Whether you are seeking expert witness testimony, crime scene reconstruction, traffic accident reconstruction, private investigators; or perhaps you are a legal expert looking to network, attend seminars, training events, or conferences, the Private Investigators Network (PI-Network) is your gateway to a global community of seasoned private investigators, expert witnesses, and industry professionals. Whether you’re seeking investigative services, expanding your professional network, or enhancing your investigative skills, Private Investigators Network provides a robust platform tailored to your needs.

At the Private Investigators Network, we recognize that every case demands specialized, expert knowledge. Our extensive online member directory connects you with top-rated private investigators, expert witnesses and other legal experts across the globe. Search by location, investigative specialty, or agency name to find the right professional for your unique requirements. From background checks to asset recovery, our investigators cover a wide spectrum of services.

As a trusted hub for expert witnesses, Private Investigators Network facilitates seamless collaboration between legal professionals and private investigators. Our seasoned experts offer testimony in courtrooms, arbitration hearings, and depositions. Whether you need a forensic accountant, a digital forensics specialist, or an accident reconstructionist, Private Investigators Network ensures access to qualified professionals who bolster your legal case.

Networking is at the heart of investigative success. Private Investigators Network acts as a conduit to announce regular events, webinars, and conferences where investigators can exchange ideas, stay current, share best practices, and forge valuable connections. Whether you’re a seasoned private investigator, expert witness or just starting your career, our platform fosters meaningful interactions that transcend geographical boundaries.

Investigative, scientific, and specialized techniques evolve, and staying informed is crucial to maintaining your expertise. Private Investigators Network announces a wealth of learning resources, including workshops, training modules, and industry insights. From surveillance tactics to ethical considerations, our educational content empowers investigators to enhance their skills and stay ahead in a dynamic field.

Ready to be part of a thriving legal expert or investigative community? Join Private Investigators Network today. Visit our website at to unlock a world of investigative possibilities. At PI-Network, we’re committed to integrity, excellence, and collaborative success.

Professional Associations

National Private Investigators Associations
International Private Investigators Associations
Name of Organization Acronym Website Address Email
NALI National Association of Legal Investigators NALI in**@na**.com
USAPI United States Association of Professional Investigators USAPI in**@us***.org
CPI Certified Investigative Professionals CPI in**@ci**.org
High Technology Crime Investigation Association HTCIA in**@ht***.org
API Association of Professional Investigators API in**@ap***.org
NCISS National Council of Investigation & Security Services NCISS in**@nc***.com
National Association of Professional Background Screeners NAPBS in**@na***.com
NAFI National Association of Fire Investigators NAFI in**@na*****.com
NSPII National Society of Professional Insurance Investigators NSPII in**@ns***.com

Recent Listings


Professional Advice

Pro-Advice is a seasoned Georgia-based advertising small business, committed to delivering high-quality services and valuable business information, and the creator of the Pi-Network directory. The focus is on providing cost-effective...

Alison Learining

Alison is a pioneering online learning platform that revolutionizes education accessibility worldwide. With a commitment to democratizing learning, Alison offers a diverse array of high-quality courses designed to empower individuals...
National Investigative Training Academy (NITA)

National Investigative Training Academy (NITA)

Unlock Your Investigative Potential with National Investigative Training Academy (NITA)National Investigative Training Academy (NITA) is your gateway to a successful career in the field of investigations. With a commitment to...

ISOG Inc Panama

ISOG is an international group founded in 003, with a Private Investigative Agency in Miami, Florida (USA), and a Private Investigative Agency and Law Firm in Panama. They provide investigative...

ISOG Inc Miami

ISOG is an international group founded in 003, with a Private Investigative Agency in Miami, Florida (USA), and a Private Investigative Agency and Law Firm in Panama. They provide investigative...
BM Investigations

BM Investigations Inc

At B.M. Investigations, Inc., we specialize in private investigations, polygraph examinations, and due diligence services. Our mission is to assist individuals, small and medium-sized enterprises (SMEs), and large corporations in...

Acquired Gentlemen Private Protection

Acquired Gentlemen Private Protection ensures professional security practices for businesses. Their agents are adept at safeguarding corporate assets, personnel, and premises. Discreet and experienced, their executive protection services cater to...

Carl Mason PI LLC

Carl Mason, a highly accomplished Private Investigator and Entrepreneur, offers his expertise to attorneys nationwide. Based in Nashville, Tennessee, Carl employs a unique approach centered around data intelligence. His services...

1 Source Private Investigations LLC

1 Source Private Investigations, a U.S. Marine Corps veteran-owned business, serves Northwest Indiana. With over 40 years of experience, they specialize in surveillance, financial investigations, and cell phone/computer analysis. Discreet,...
Exit grid

Most Popular Listings

Popular Exclusive Listings In Our Directory

Alison Learining

"Empower Yourself!"

mapMarkerGrey Mount Carmel Loughrea H62 AV62...

National Investigative Training Academy

"Uncover Success with NITA's Investigative Edge!"

mapMarkerGrey 250 International Pkwy, Unit 1...

About the Private Investigations Network

The Private Investigators Directory, is a national and global platform, is a beacon of expert witness knowledge in the realm of private investigations. Our investigative community is dedicated to the enhancement of investigative skills through legal seminars, training events, and conferences. We are a world-renowned network, providing investigative services that include crime scene and traffic accident reconstruction.

Our nationwide network is a hub for professional networking, fostering investigative collaboration and promoting investigative best practices. We offer forensic accounting, digital forensics, and accident reconstruction services. Our expert witnesses provide compelling testimony, backed by meticulous investigative education and rigorous surveillance tactics.

The Private Investigators Directory is more than just a private investigator network. It’s a legal expert community that values ethical considerations and promotes continuous learning through investigative webinars and conferences. We are committed to enhancing the investigative skills of our members, both in the United States and around the world.

Our global reach extends beyond national borders, making us a truly worldwide network. We are proud to offer private investigations and legal training events and legal conferences that bring together experts from various fields. Our investigative services are trusted by legal professionals and private entities alike, thanks to our commitment to investigative education and best practices.

The Private Investigators Directory is a dynamic, professional networking platform that provides comprehensive investigative services. We are dedicated to fostering an investigative community that values ethical considerations, promotes investigative collaboration, and enhances investigative skills. Join us today and become part of a nationwide and global network of expert private investigators.

Private Investigators Listings Other Legal Expert Listings Expert Witness Listings FREE

Training Events, Conventions & Conferences hosted by our legal experts.

Close Protection Training

Train as a bodyguard who provides close executive protection to clients with this free online CPO training course. ‘Close Protection’ describes the physical security provided

Read More »

Forensic Science Simplified

Learn how to interpret crime scenes in this free online criminology course that explores the science of forensics. Forensic science is a multidisciplinary field that

Read More »

News & Tips

Checkout Professional Articles and software or equipment of interest. Stay current on the latest related professional topics.


Interviews and Interrogations

Evolution of Interviews and Interrogations: A Historical Perspective Interviews and interrogations have played pivotal roles in human history, serving as essential tools for gathering information, ...

Methodology of Financial Investigations

Methodology of Financial Private Investigations In the realm of private investigations, financial inquiries require a meticulous and structured approach to unravel complex webs of transactions, ...
Pi-Network - Social Media

Social Media Investigation Techniques

Social Media Private Investigation Techniques In today’s digital era, social media has become an indispensable tool for private investigators seeking to unravel mysteries, gather evidence, ...

Investigative Opensource Research

Investigative Opensource Research In an era characterized by an unprecedented abundance of digital information, investigative open-source research, which is professionally  known as Open Source Intelligence ...


CleanTalk At the Texas Business Directory, we are passionate about delivering the best user experience to our customers, and CleanTalk has been instrumental in achieving ...
Webba Booking

Webba Booking

Webba Booking The Texas Business Directory uses Webba Booking with utmost professionalism for our online appointment needs. We are highly impressed with the application’s flexibility ...

Private Investigators & Expert Witness FAQs

Private investigators are hired to gather information, conduct surveillance, and perform various investigative tasks for individuals, businesses, and legal firms. Their work often involves researching, analyzing data, and uncovering facts related to legal, financial, or personal matters.

You might consider hiring a private investigator if you need assistance in finding missing persons, conducting background checks, uncovering fraud, investigating infidelity, gathering evidence for legal cases, or conducting surveillance for various reasons.

Yes, private investigators must operate within the boundaries of the law. They are skilled in navigating legal constraints and are knowledgeable about the permissible methods of obtaining information. However, they must adhere strictly to legal and ethical guidelines.

The cost of hiring a private investigator varies depending on factors such as the complexity of the case, the time required, and the investigator's experience. Hourly rates can range from $50 to $150 or more, with additional expenses such as travel and equipment.

The duration of an investigation varies greatly depending on the nature of the case and the specific requirements. Some investigations may be resolved within a few hours or days, while others could take weeks or even months to complete.

Yes, private investigators can testify in court. They may be called upon to present evidence, provide testimony regarding their findings, and offer expert opinions based on their investigative work. However, their credibility and the admissibility of their evidence depend on various factors, including their qualifications and the methods used to obtain information.

When selecting a private investigator, it's essential to consider factors such as their experience, reputation, specialization, licensing, and adherence to ethical standards. It's also helpful to request references and inquire about their approach to handling cases similar to yours.

Yes, confidentiality is a fundamental aspect of a private investigator's code of ethics. They are obligated to protect the privacy and confidentiality of their clients and the information obtained during investigations, except where disclosure is required by law or authorized by the client.

Yes, many private investigators have the expertise and resources to conduct investigations both domestically and internationally. However, the scope and feasibility of international investigations may vary depending on factors such as local laws, jurisdictional constraints, and logistical challenges.

If you suspect you're being watched or followed, it's essential to prioritize your safety and seek assistance from law enforcement if you feel threatened or endangered. You can also consider consulting with a reputable private investigator who can assess the situation, gather evidence, and advise you on the appropriate course of action.

Private investigation has roots dating back to ancient times, with records indicating the use of private individuals to gather information or solve mysteries.

Historically, private investigators were often employed by monarchs, nobility, and governments for tasks such as espionage, intelligence gathering, and security.

The modern concept of private investigation began to take shape in the 19th century, particularly in the United States and the United Kingdom, with the establishment of agencies and the enactment of regulations.

Milestones include the founding of Pinkerton National Detective Agency in 1850 by Allan Pinkerton and the introduction of licensing and regulatory measures in various jurisdictions.

Expert witnesses have been present in legal proceedings for centuries, with early examples dating back to ancient Greece and Rome.

In ancient times, expert witnesses provided specialized knowledge or opinions to assist judges in resolving disputes or interpreting evidence.

The role of expert witnesses evolved from informal advisors to formalized testimonial experts, with increasing recognition of their importance in complex legal cases.

Landmark cases, such as the Daubert v. Merrell Dow Pharmaceuticals case in the United States, established criteria for the admissibility of expert testimony, shaping the standards for expert witness testimony.

Advances in fields such as medicine, forensics, and engineering expanded the range of expertise available to expert witnesses and increased their importance in legal proceedings.

We hope to see you back soon...

We want to tank you for visiting the Private Investigations Network, and want to remind you as we draw to a close of the invaluable resource that the Private Investigators Directory / Network represents for legal professionals, businesses, and individuals alike. With its comprehensive database and meticulous vetting process, the Private Investigators Directory / Network stands as a beacon of trust and reliability in the realm of investigative services. Our commitment to excellence ensures that clients have access to a diverse array of skilled professionals equipped to handle a myriad of investigative needs.

Within the Private Investigators Directory / Network, users can seamlessly navigate through a vast selection of seasoned experts, each possessing a unique skill set and specialization. Whether you require surveillance, background checks, or fraud investigation, our directory offers a tailored solution to match your requirements. By facilitating direct communication between clients and investigators, we streamline the process, fostering efficient collaboration and optimal outcomes.

Moreover, the Private Investigators Directory / Network serves as more than just a directory; it’s a community of dedicated professionals committed to upholding the highest standards of integrity and professionalism. Through ongoing education and training opportunities, members of our network continuously hone their skills and stay abreast of emerging trends and technologies in the field. This commitment to excellence ensures that clients receive cutting-edge investigative services that exceed expectations.

As the legal landscape evolves, so too does the demand for expert witnesses who can provide impartial, credible testimony. Our expert witness directory boasts a curated selection of qualified professionals spanning various disciplines, from forensic accounting to digital forensics. Whether you’re litigating a complex civil case or navigating a criminal trial, our directory offers access to expert witnesses who can provide invaluable insights and testimony to bolster your case.

Our Private Investigators Directory / Network serves as a cornerstone of the investigative and legal communities, offering a comprehensive platform for connecting clients with top-tier professionals. With our unwavering commitment to excellence and dedication to fostering collaboration and innovation, we remain at the forefront of the industry. Whether you’re in need of investigative services or expert witness testimony, trust the Private Investigators Directory / Network to deliver results that surpass expectations. Experience the difference of working with a trusted partner who shares your commitment to success. Choose the Private Investigators Directory / Network for all your investigative and expert witness needs.

Ready to promote Your Services?

Join our community of knowledagble professionals today...

Join the Private Investigators Network Family

Join today and take advantage of our free listing and advertising with premium features, networking opportunities with a community of friendly professionals.
Submit your Listing
Protected by CleanTalk Anti-Spam