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    Allen Investigations

    4.5 (16 reviews)
    Open Open 24 hours

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    Private investigation

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    Review Highlights - Allen Investigations

    I spoke to one of my half-sisters for the first time today (3 days after hiring Debra).

    Mentioned in 15 reviews

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    Armando Zatarain Investigations - Armando Zatarain California Private Investigator

    Armando Zatarain Investigations

    (37 reviews)

    My client wanted to hire a private investigator for a multi-month business intel project in…read moreSouthern California. I live in another state so, not exactly the easiest task! However, I set about my searching and calling private investigators in the O.C./Los Angeles area utilizing the internet. The long and the short of this task: having never hired a P.I. before, I experienced first hand how intimidating and daunting it can be to find a private investigator who answers/returns your call let alone is reputable and professional. Zatarain Investigations was one of three private investigators I found that made it to our final round for consideration. From the outset, I appreciated that Armando's website had a lot of useful and helpful information and my own additional research found he had claimed business profiles with very favorable reviews on both Yelp and Google. My initial call to Armando ended up going over a half and hour! Talking to Armando that first time felt like catching up with an old friend you hadn't seen in ages: easy, relaxed and fun. I liked the vast and varied experience he and his team brought to the table and I especially liked that Armando was very interested in our quirky project since he said it was something he'd not exactly been hired to do before. Before our call ended that day, Armando told me to call or text him anytime I had any additional questions or concerns. The easy rapport and Armando's genuine interest in us and our project made our final decision of whom to choose an easy one. It was also nice knowing Armando had a trusted team of investigators who'd worked with him for a long time. We've been clients for over four months now and it truly feels like we've become a well-oiled machine together. My client and I appreciate that when the inevitable challenges with our crazy project have come up it's been easy to talk with Armando and Amy and come to a resolution that works for everyone. (Amy is literally the glue that holds the whole business together, she is both amazing and fantastic!) Whether it's thinking outside the box or advising us of best practices within their industry, both Armando and Amy bring their business acumen and A-game to the table every time. Additionally, my client has been extremely pleased with the data outcomes to date and we look forward to our ongoing partnership with Armando Zatarain Investigations in the upcoming months to come!

    Armando is a class act and did everything he said he was going to do and more. Going above and…read morebeyond is an understatement...I don't think he sleeps. He made himself available at all hours of the day, seven days a week. He even went and visited my daughter who was incarcerated every weekend and Xmas eve because she was not allowed live visitation. Not because he had to but because he thought it was the right thing to do. The case I retained Armando to investigate was a very serious and complex case in many faucets. Armando was always available, patient and kind throughout the entire process. I recommend Armando and his team to anyone looking for a PI who is responsive and not afraid to go above and beyond. Armando, thank you for everything you have done to help my daughter through this difficult time in her life. Our family is very grateful to have met you...you make a difference in the lives of others and we appreciate you!

    Adoption Reunions - Debra Allen, Private Investigator - Looking for your child that was adopted?  Adopted and want to find your birth family?  Contact me. 949-612-5714

    Adoption Reunions - Debra Allen, Private Investigator

    (11 reviews)

    Debra was the perfect choice for helping me seek out a family member I was looking for. She was…read moretimely, professional, and kind. I was in the position where I knew finding this person wouldn't necessarily be difficult, but I wanted to give them a chance to deny contact if that was what they wanted. Debra was the perfect intermediary and I enjoyed working with her. I don't know many people also searching for family members... But I would recommend Debra immediately!

    Out of all the scenarios I ran through my head of how this emotionally complex process would go, I…read morenever expected it to go so smoothly. Debra Allen and her investigative team far far surpassed my expectations. From the very beginning, Debra was immediately responsive. Tamara was the investigator assigned to us. She is absolutely incredible! We received information on my dad's entire biological family within days. What other P.I.s told us could take months and might not result in much information, Tamara made happen in what seemed like the snap of a finger (even though I'm sure hours of hard work went into it). These people are soo much more than investigators; they understand the complexity of adoptions and are committed to helping. Tamara answered all of our questions and shared her expertise in the most helpful way. She was always immediately responsive and guided us as far as we wanted things to go without ever making things overwhelming for us or making the family we had found feel overwhelmed. I could not have asked for more out of this process. This team knows what they are doing and what they offer is truly priceless! I wholeheartedly recommend them.

    Martin Investigative Services

    Martin Investigative Services

    (16 reviews)

    I truly cannot thank Tom Martin from Martin Investigative Services enough! I have been searching…read morefor over ten YEARS for my biological paternal grandfather and kept coming up short because A.) he was a drifter before the age of social media and B.) both my father and grandmother had passed and took all knowledge of his existence with them to the grave. I had no knowledge of his real name, birth date, address, etcetera. I finally had enough and scheduled a meeting with Tom Martin. I told him how desperate I was to find my grandfather and gave him what very little information I had. Martin Investigative Services found my grandfather within HOURS of our meeting. It turns out my grandfather also lives in California and I was able to meet him two days later. Not only did he have my grandfather's address, but he had spoken with his sister and his mother. It turns out I had a great-grandmother and great-aunt that were excited to speak to me! The resemblance between him, my father and myself is uncanny. If not for Tom and his team, I would never had been able to fill the hole in my heart and finally solve the mystery my father was never able to in life. They provided my with family I never knew I had and I've finally (!) been able to fill my family tree. Thank you, thank you, thank you M.I.S.!

    We chose Tom after seeing all the certifications and awards on his website -- that sealed the deal…read more He helped us perform a skip trace for a missing person and delivered nothing less than top-level service. Transparent, quick, and professional from start to finish. Highest quality, no question.

    Allen Investigations - privateinvestigation - Updated May 2026

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