#1 Detective Agency In India - Result Oriented & Solved 15K+ Cases
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Best Private Detective Agency In New Delhi

Welcome to Action Detective, premier Private Detective Agency in New Delhi. With a decade of expertise, our Delhi branch specializes in delivering tailored investigative solutions across personal and corporate spheres. Whether it’s pre-matrimonial verification, missing person investigations, corporate investigation, or sensitive personal matters, our team of highly skilled detectives ensures your peace of mind with discreet and efficient service.

Experienced Detectives Serving New Delhi

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Action Detective is a premier private detective agency headquartered in Delhi, offering extensive investigative services since 2009. In New Delhi, our team comprises experienced and rigorously trained professionals equipped to handle a wide range of services from personal cases like matrimonial disputes to corporate due diligence and fraud detection. Our investigators are not just experts in their field; they are dedicated to upholding the highest standards of privacy and legality in every assignment.

Premier Investigative Solutions In New Delhi

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Why Choose Us?

Registered And Certified Private Detective Agency In New Delhi

  1. Expertise in Local and National Investigations: Our deep understanding of both Delhi and pan-India contexts empowers us to handle complex cases with precision.
  2. Legally Compliant Methods: We operate within the strict boundaries of Indian laws, ensuring all investigations are ethically conducted without compromising legal integrity.
  3. Advanced Technology and Techniques: Utilizing the latest spy gadgets and investigative techniques, we stay at the forefront of detective & investigation services.
  4. Confidentiality Guaranteed: “Secrecy is our Domain” is not just our slogan; it’s our promise to every client.
  5. Comprehensive Service Range: From personal loyalty tests to corporate asset verification, our services are designed to meet all your investigative needs comprehensively.

Choosing Action Detective means opting for the best agency in Delhi where secrecy, integrity, and professionalism are paramount. We are dedicated to providing you with detailed, accurate results that can stand up in any legal or personal context. Our approach combines years of experience with a commitment to client satisfaction, making us the go-to detective agency for any investigative need. Whether safeguarding your personal interests or protecting corporate assets, Action Detective is your reliable ally in the quest for truth.


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600+ Reviews


800+ Reviews

Genuine detective agency. To the point talk only. No cheating.
One of the best investigating agency. Their response is quick and services are within budget.
Ajai Kumar
vishal singh
If you need the genuine and trustworthy then choose this privat detective agency
Thanks for your service 🙂
Taaz Gallery
Thanks to all
Team Action

Commitment to Integrity: Our Pledge for Transparency and Ethics

Advancing Integrity: Championing Ethical Business and Transparent Governance

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Industry Leaders trust Action Detective - Best Private Investigation Company in New Delhi

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What Clients Say About Action Detective?

Insights and Experiences with Action Detective Services

"After noticing some inconsistencies in my business's financial records, I contacted Action Detective for a financial fraud investigation. Their team was quick to respond and very discreet in their approach. They utilized their expertise to uncover evidence of embezzlement that had been skillfully hidden. Thanks to their thorough investigation, we were able to address the issue directly and implement stronger controls to prevent future fraud. Their services were very good."

"When my family started receiving anonymous threats, we contacted to Action for help. Their investigators were sensitive to our concerns and immediately began a comprehensive surveillance operation to identify the source. They worked meticulously, and their efforts led to identifying the individual responsible, allowing us to take legal action. The peace of mind they provided during this stressful time was a godsend. Their work in was professional and incredibly reassuring."

"I was having doubts about my fiance, I contacted Action Detective for a pre-matrimonial investigation. Their team handled the situation with the utmost respect and confidentiality. They gathered detailed information about his past, finances, and social standing, which allayed my fears and confirmed his sincerity. The clarity they brought to my personal life was truly appreciated, helping me move forward with confidence in my decision to marry."

"When my daughter went to college, I got worried that she might be getting into trouble due to her new friends there. So I looked for a private investigation agency for personal investigation to understand her social circle better. Their team was empathetic and provided me with secret surveillance service that helped me understand the situation better without alerting my daughter. Thankfully, my fears were unfounded, but I'm grateful for the peace of mind Action's work provided."

"My company in was considering a significant partnership, but we needed to ensure our potential partners were reliable. We hired Action Detective for corporate due diligence. Their investigators conducted a thorough background check, assessing the company's financial health, legal standing, and market reputation. The comprehensive report we received was instrumental in making an informed decision, ultimately leading to a successful partnership. They did great work, highly recommended"

"I was going to buy a property but heard rumors of disputed ownership. To avoid any future legal issues, Being a NRI it was difficult for me to verify my concerns so I engaged Action Detective for verification. They researched property records, previous transactions, and legal disputes across several districts. Their detailed report confirmed the property was free of issues, helping me to continue with the purchase confidently. Their statewide service was thorough and reliable."

"Their detectives were very helpful when my uncle went missing and the local authorities was unable to find him for more than 5 years. They initiated a missing person investigation, utilizing local contacts and surveillance techniques. Their persistent efforts led to locating my relative in a nearby city, who had unfortunately become disoriented and lost. Their quick response and effective investigation were a relief to my family during a distressing time. they found my uncle working in a factory in a small village in some another state. Thank you very much."

"I approached them for assistance in gathering evidence for a pending divorce case. The sensitivity and professionalism they showed while conducting surveillance to document my spouse's extramarital affair were commendable. The evidence they provided was crucial in my legal proceedings, allowing me to secure a favorable outcome. Their discreet and effective service made a difficult situation a little easier to navigate."

Ready to Uncover the Truth? Let's Get Started with the most trusted Private Investigation Agency in New Delhi

We specialize in delivering investigative solutions to address the unique needs of our clients in New Delhi. Our mission is clear: to help individuals & businesses in navigating complex situations by providing accurate, reliable, and actionable information.

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Answers to Common Detective and Investigation Queries in New Delhi

We are Incorporated(Action Detective Services Pvt. Ltd.), ISO Certified and MSME registered. Our certifications can be viewed here.

We offer a wide range of services including personal and corporate investigations, matrimonial verifications, skip tracing, and more. For a detailed list, visit our services page.

You can initiate the process by visiting our contact page or by directly calling our Delhi branch.

Absolutely, we conduct all investigations within the framework of Indian law. Learn more about our ethical practices here.

Yes, client confidentiality and anonymity are paramount.

Costs vary based on case complexity. Please contact us here for a quote.

Timelines vary depending on case specifics and complexity. For general information, visit how we work.

Secrecy is our top priority. Our investigative approach ensures complete discretion.

Yes, we maintain regular communication with our clients.

Yes, we handle cases nationwide. See our branch locations here.

We conduct comprehensive checks for individuals and corporations. Details are available here.

Yes, both pre and post matrimonial services are offered. More information can be found here.

Payments can be made through multiple channels, detailed on our payment page.

We serve a diverse range of clients including individuals, law firms, and corporations. See our clients page.

Yes, we have expertise in missing person investigations. Learn more here.

Our experts can help determine the service you need based on your situation. Start by contacting us here.