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Domestic Investigation Services for Private Individuals

Our goal is to get you the answers and information you need to make important decisions for your life.

Personal issues requiring the services of a private investigator can often be an intensely emotional matter, and with NIS, you can be assured that your situation will be handled with the utmost sensitivity, discretion, and confidentiality.

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If you’re experiencing doubts about a partner, NIS can help you find answers to confirm your suspicions or put your mind at ease.
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If you suspect your spouse or significant other is being unfaithful, NIS can gather evidence to help prove or disprove infidelity. This evidence can be used in court or simply to help you gain peace of mind.

Pre-marital verification

Marriage is not just a commitment of love – it’s a legally binding partnership. Be sure that your partner is being truthful about his or her identity and past. NIS provides background checks, marital status verification/previous marital history, and other searches to provide you with the information you need to begin your new life together with confidence.

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NIS can help you with your divorce case, including gathering admissible evidence of infidelity, locating hidden assets, obtaining proof of abuse, and securing information regarding someone’s true employment status or living conditions.

Child Custody

Child custody can be one of the most acrimonious and emotional aspects of a divorce. A private investigator can provide critical evidence to support your case and ensure your rights as a parent are protected.

If you suspect your child is the victim of abuse or neglect, it’s crucial to find solid evidence as soon as possible so that law enforcement and the courts can act to protect your child. NIS Founder Edwin Nadal worked with the New York City Police Department Special Victims Unit and understands how to handle cases involving children with sensitivity and compassion.

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NIS can help you find the evidence to resolve your divorce case quickly.
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Caretaker Screening

Be sure that your loved ones are in good hands.
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Nanny and Childcare

Nothing is more important than the safety of your children. Before leaving your children alone with a caretaker or nanny, let NIS investigate his or her background to make sure it is free of criminal records or other disturbing information. We also can provide and install hidden surveillance equipment to provide peace of mind.


Elder abuse is an increasingly common danger in our society, and it’s sometimes difficult to know whether the person entrusted with the safety of your elderly parent or loved one is providing the care they need. NIS can investigate your elder caretaker’s background, as well as perform unannounced checks and wellness visits at their home to ensure they are being cared for appropriately.

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Locate Services

With access to millions of public and non-public records as well as “on the ground” investigations, NIS specializes in locating a wide variety of individuals, including missing children, witnesses, biological parents or children, relatives, debtors, lost loves, missing spouses & significant others, runaways, and other difficult-to-find individuals.

Unsolved Cases

With thousands of missing person cases open across the country every year, law enforcement officers don’t always have the time or resources to concentrate on your case — but we do. Sometimes a new perspective and fresh review of a cold case can make all the difference. We can review the facts of the case and develop new theories and leads, interview and find witnesses, and work with local law enforcement to resolve your case. 

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Missing Persons

Reunite with lost loved ones or gain peace of mind.
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Background Checks

Discover the truth.

Background Investigations 

Whether it’s a new romantic partner, contractor working in your home, or anyone else you need to know the truth about, NIS can help. Our comprehensive background investigation can verify information you’ve already been given about this person, as well as reveal new details you didn’t already know. Such information may include criminal records, professional licenses (or lack thereof), education, business and property ownership, current and past addresses, and more. 

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