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National Inquiry Agency (NIA) is a Private Investigation firm based in Sydney specialising in skip tracing and missing persons, background checks, process serving and corporate investigations.  

It is one of the few firms within Australia Founded and led by a Female Investigator, who is also a qualified Solicitor. 

We help LAWYERS WIN cases, and Businesses retrieve their money. 


Your Success

Our services are provided to businesses and individuals nationwide and overseas, minimising business loss and risk, and providing our clients with peace of mind.

We offer our clients the ability to gather ‘hard to find evidence’, supporting individuals, small to large businesses and the legal services sector. We utilise modern methods of tracing to locate subjects, as well as new technology for the surveillance of persons.

We have competitive rates, and established service level agreements with our clients to ensure we deliver results to a high standard and within time frames.

Our Team

Our Investigators and Agents are fully licensed in accordance with statutory legislation and regulations. 

Our Team is made up of qualified solicitors, ex-military personnel and individuals that have worked in the legal services sector for many years.

Our experience allows us to pay attention to the details that are crucial to the collection of admissible evidence, act in accordance to governing legislation and communicate our outcomes in a clear and efficient manner.

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About Us

National Inquiry Agency is a team of qualified Investigators with accumulated expertise, experience and a continued commitment to maintaining the highest professional standard. We offer transparent fee structures and KPIs to ensure service turnaround is in a timely manner. We adopt an ethical and diligent approach to all our findings by remaining committed to adhering to the Privacy Principles, and our client’s need for confidentiality.

Our Values & Promise

  • Professionalism
  • Our reputation is a result of years of accumulated expertise, experience and a continued commitment to maintaining the highest professional standard.

  • Reliability
  • We understand there are time pressures facing our clients. Therefore, as an essential element of our firm’s culture, we strive to provide timely and accurate services for all of our clients. All information we gather is stored on our secure cloud-based system.

  • Integrity
  • Our clients’ satisfaction is our number one priority. Therefore, we strive to deliver our promises without compromise and with a respect for our clients’ needs and individual circumstances.

  • Aptitude
  • Our firm continually familiarises ourselves with our clients and what they require from us, and in order to maintain a lead within the private investigations sector, we capitalise on new technologies and opportunities presented by innovation within the industry.

    Our Clients

    NIA provide investigation services and process serving to major law firms,  financial institutions, employers and SMEs. 

    We locate individuals that owe a debt, crucial witnesses for Hearings, individuals that have changed their address, mobile numbers, email addresses and name. We locate ‘hard to find’ individuals that have moved interstate or have fled the country, due to a debt, fraud, embezzlement, criminal acts and legal proceedings.

    Location Searches and Missing Persons

    We provide process serving services nationwide. We serve Statement of Claims, Subpoenas, Summons, Default Notices, and other documents. We serve documents by personal service, and in the event of Substituted Service Orders, we facilitate service through email addresses, mobile numbers and social media accounts.

    We strive to have evidence collected as annexures to our Affidavits.

    Process Serving

    Our Investigators carry out investigations on behalf of businesses for Workers Compensation Claims, Bullying and Harassment Complaints, Workplace Misconduct, Motor Vehicle Accident Claims, General Insurance Claims, and Public Liability disputes.

    Factual Investigations

    We also offer surveillance of individuals for the purposes of supporting a breach of contract law suit, restraint of trade, insurance fraud, misconduct within the workplace, and collection of evidence for family law proceedings.


    We provide detailed background check reports to scale an individual’s financial assets and interests, company holdings, debts, and previous employment history. Our in-depth background checks and profiling allows us to find information the person on the other end doesn’t want you to know.

    Background Checks

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