Private Investigators – Private Investigations

Ranked #1 Private Investigators by Top Reviews. Contact us for private investigations, surveillance and intelligence gathering services.

The Neill Group (TNG) have a team of experienced licensed private investigators in Auckland, Wellington, Christchurch and throughout every region of New Zealand.

Do you need to uncover fraud, harassment, abuse or dishonesty? Our licensed private investigators are discreet, experienced and effective. Regardless of the situation or challenge you are facing, we have the expertise and experience to help.

We have been finding and catching thieves, abusers, conmen, fraudsters, scammers and deceptive partners throughout New Zealand since 1987.

We have spent more than three decades establishing an excellent reputation in the market. Everything we do is supported by an unparalleled level of professional expertise and operational experience.

Our team includes respected licensed private investigators who are qualified former police detectives. They know how thieves, fraudsters and scammers think, so they know where and how to catch them.

Our licensed private investigators have significant experience with investigating private, criminal and commercial matters. We are highly proficient with investigating suspected dishonesty in a business or personal relationship, including theft, fraud and infidelity.

Our objective is to reveal the truth and deliver the facts, so you can make an informed decision without guesswork or a lengthy game of deception. We are here to help, contact us in confidence for your peace of mind.

The Neill Group (TNG) difference:
  • Over 35 years of private investigation experience.
  • Professionally trained licensed private investigators.
  • Unlimited access to local and global resources.
  • Our investigation team includes qualified former police detectives.
  • Extensive nationwide coverage from Kaitaia to Bluff.

Fraud, Theft & Dishonesty Investigations

Do you suspect dishonesty in your business or workplace? Fraud, theft and other forms of dishonesty inside a business occurs through a lack of internal processes which opens a window of opportunity for dishonesty. The evidence we provide can be used for the basis of a criminal prosecution or legal proceedings.

Sensitive Personal Investigations

Do you suspect your partner is being unfaithful? Is your former spouse or partner not adhering to child custody orders? Are you being stalked? We carry out inquiries regarding child custody issues and sensitive personal matters. Are you concerned about your child or family member? We can help.

IP, Copyright & Trade Mark Investigations

We investigate the infringement of IP, copyright and trade mark patents. We can assist help you to safeguard the integrity of your brand or company’s reputation. Dion Neill has personally carried out complex investigations for global companies, including: Nike, Sony, Adidas, Armani, and Microsoft.

Insurance Claim Investigations

We act for insurance companies to ensure claims are genuine. Claims can amount to substantial amounts of money, which often requires further inquiries before any form of compensation is made to the insured. We can assist you to confirm the validity of insurance claims and to investigate a claimant who is suspected of misrepresenting the facts.

Drugs, Alcohol & Substance Abuse Investigations

Do you suspect your partner, family member or employee of taking drugs or illegal substances? Drugs, alcohol and substance abuse is often the foundation for criminal and anti-social behaviour. We can investigate any concern of drug, alcohol and substance abuse. We also investigate cases of suspected physical and psychological abuse.

Business, Corporate & Commercial Investigations

We offer business owners a comprehensive investigation service to safeguard their business interests. Our modern technology and formidable experience enable us to take on every type of investigation assignment. We will thoroughly investigate, obtain factual information and take evidential statements.

Worldwide Tracing

We use proven investigative techniques, including data mining, to gather information on the whereabouts of a missing person. We have a solid track record of successfully locating missing people including debtors, defendants, birth parents and family members anywhere in New Zealand.

Employee Investigations & Pre-Employment Vetting

With the tools at our disposal, we provide employers with evidence-based recommendations about prospective employees. Background check on prospective employees or employees in positions of trust can mitigate your risk. If you decide not to carry out these essential checks, it can have a long term negative effect on your clients, business and reputation. 

Cyber (Internet) Investigations

We investigate unauthorised cyber (internet) access and hacking incidents inside a business, organisation and workplace. Our investigation can include unauthorised use of email, servers, computers and other technology without your authority. We also investigate online scams,  harassment and cyberbullying.

Background Checks

Who are you dating or employing? We are often engaged to provide discreet background checks on a business, organisation or private individual. Our inquiries can include career, financial and criminal history. We can also verify professional qualifications and experience. Background checks are essential for people employed in positions of trust.

Asset & Property Tracing

Are you attempting to locate a missing asset or stolen property? We have a lengthy track record of successfully tracing assets and property. This service is often utilised by company receivers and liquidators. We can trace and recover assets throughout New Zealand and internationally using our extensive network of associates.

Criminal Investigations

We support criminal prosecution teams and defence counsel (barristers and solicitors) throughout New Zealand who are actively engaged on criminal cases before the courts. Our services in this area includes interviewing, taking statements, locating witnesses and obtaining evidence. We can also provide access to forensic document examiners, certified fraud examiners (CFE) and other specialists.

Covert Surveillance

Our surveillance experts are highly-skilled in managing surveillance operations within a business or organisation. Covert surveillance is often used to prove theft, fraud and relationship dishonesty. When you need to know the truth, you can rely on our private investigators and surveillance experts to give you the answers.