PRIVATE INVESTIGATORS & Surveillance specialists

Are you searching for a professional and cost-effective private investigator in Wellington? You have come to the right site.


Do you have a problem that surveillance or a private investigation could solve?

Dion Neill and his associates has over 30 years of experience investigating a range of private and commercial issues. A number of Dion's associates throughout New Zealand are qualified former detectives, senior police officers and government intelligence specialists. The Neill Group's nationwide network of licensed private investigators and surveillance specialists know how thieves, cheaters, fraudsters and scammers think, so they know how to catch them.

We use advanced investigation and surveillance techniques

We have been responsible for countless arrests, criminal convictions and successful prosecutions since 1987. We investigate theft, fraud, harassment, relationship dishonesty and everything in between. We approach every assignment with a balanced and level headed approach, focusing our efforts on achieving key objectives. It's not by chance that some of New Zealand's largest organisations, government agencies and high profile individuals trust with their business.  

Private individuals employ our surveillance and investigation services because they need to know the truth and are seeking peace of mind. Clients also seek our assistance when the Police or other agencies cannot help. We are one of New Zealand's most qualified and experienced private investigators, we manage surveillance, undercover operations and are experts at gathering evidence for legal cases, prosecutions or to provide intelligence that a criminal act has been committed.

Private investigators who focus on investigating dishonesty

Once you have engaged us, our private investigators will immediately get to work to uncover the truth, whether it leads through bars, cafes, hotels, restaurants, unplanned travel, late night rendezvous or covert meetings in a public place.  Our decades of experience as private investigators has shown us that people display particular behaviour patterns when they have something to hide.

Whether you are dealing with a potentially unfaithful partner or engaged to be married and want to make sure your partner is being true to you, here are 10 red flags to watch for: 

  1. More protective with their mobile phone
  2. Carry a second pre-paid mobile phone
  3. Suddenly change PIN's and passwords
  4. Keep their mobile phone bills hidden
  5. Be guarded and irritable
  6. Work late nights without notice 
  7. Reset their social media passwords
  8. Delete browser history on their devices
  9. Become obsessive over their appearance
  10. Be unresponsive to calls and texts

And while we cannot reveal our methods of investigation, you can be rest assured we harness all the latest technology to achieve a positive result. You might be surprised at the information we are able to gain access to, and you can rest assured that all our private investigators are New Zealand Police approved, government licensed and operate under a strict code of ethical standards. 

We have an extensive network of nationwide licensed private investigators to allow a true national coverage. We are well known as the specialists in our field so be assured if your spouse or partner is cheating we WILL catch them. Unlike many of our competitors, our private investigators are qualified, professionally trained and highly experienced, using the latest investigation and surveillance techniques to systematically either confirm or deny your suspicions.

In the event that our private investigator does uncover your spouse or partner cheating on you, we can supply you with hard evidence. If your spouse or partner is cheating, we will catch them. Conversely, if they prove to be faithful, we can help put your mind at ease.

Frequently Asked Questions

Can I trust a private investigator?

Yes, we are one of the most trusted private investigators in Wellington, we have a well earned reputation that spans over three decades. Please visit our testimonials page or Google us. You will see that Dion Neill and The Neill Group are authentic, professional and service-focused. We do not discuss your case with any other individual or organisation. We value client privacy and always adhere to the privacy act and related legislation.

Unfortunately, not all private investigators are equal, we urge you to act with caution and ask your private investigator for evidence of their credentials, qualifications and relevant experience. In New Zealand, all security providers and private investigators must be licensed by the Ministry of Justice (Private Security Personnel Licensing Authority). Your private investigator must produce his PI licence on demand (a certificate of approval is not a PI licence). If you are in doubt, please contact the Ministry of Justice (PSPLA) or visit the New Zealand public register online at PSPLA.

Can you access credit, court and criminal records?

No, due to privacy restraints, we cannot provide this information to you. Individual credit, court and criminal history can only be obtained by the person concerned or by completion of a privacy waiver that allows a third party to receive the information. We carry out pre-employment checks and staff vetting, consent is usually provided by the employee or prospective applicant.

Do you provide a service throughout New Zealand? 

We are based in Wellington, the capital city of New Zealand. We operate the largest nationwide network of field agents, process servers (legal document servers), repossession agents and private investigators in every region of New Zealand. 

We also have an extensive global network of contacts, resources and confidential informants to provide solutions to particularly complex problems. Using our significant knowledge of people, locations, information and organisations caches, we are able to conduct discreet field assignments and private investigations.

We leave no stone unturned, we have a high success rate in locating missing debtors, defendants and family members. Our tracing sources and network of confidential informants extend beyond New Zealand. We have traced people throughout New Zealand and worldwide. We have been catching dishonest people, including deceptive partners throughout New Zealand since 1987.

Are you licensed New Zealand wide private investigators?

The Neill Group is the trading name for Dion Neill who is a licensed private investigator in Wellington, New Zealand. Dion has been licensed by the Ministry of Justice (PSPLA) as a private investigator and security professional since 1987. Dion is supported by an extensive network of private investigators, surveillance specialists and security risk management professionals throughout New Zealand and worldwide. 

Can you give me access to text messages and phone records?

No, we cannot provide this information to you. We use various sources to collect intelligence and information, leave it to us. 

How much does it cost to hire a private investigator? 

We provide investigation services in Wellington and throughout New Zealand. Our fees vary depending on the nature, location and length of the assignment. A standard industry rate for a private investigator varies from $90.00 to $190.00 per hour. You will receive a quotation and estimation of the time, mileage and resources involved. We have online credit card payment facilities on this website or you can pay your invoice by direct credit. 

Contact us for a confidential discussion

How much is peace of mind worth to you? Over 90% of our assignments conclude that dishonesty is evident. Every investigation assignment is unique, we have found that infidelity investigations can uncover addiction, psychological or other issues, our clients are often relieved to discover the truth so they can manage it appropriately. Whether it’s evidence of infidelity or for your own peace of mind, contact us today for information on our range of private investigation services.


Private Investigations

Dion Neill is Wellington's longest established private investigators. Dion accepted his first private investigation assignment in 1987. 

Private investigators (referred worldwide as private detectives) are engaged to investigate a wide range of concerns from suspected infidelity (cheating partners) and tracing missing people to employee theft, fraud and workplace incidents.

We have established a lengthy track record over three decades for solving the most complex business issues and sensitive personal matters. 

We use the latest technology, advanced investigative techniques and over 30 years of experience to support our commercial and private investigation activities

Our financial crime investigators and certified fraud examiners assist clients with investigating criminal activity, employee misconduct and unexplained loss.   

We investigate with a high-level of ethical standards and professionalism. We are committed to keeping your people, assets, infrastructure and reputation safe.

IP & Trade Mark Investigations 

Your trade mark and intellectual property is a valuable asset that should be protected. We have expertise in relation to intellectual property (IP) investigations.

We are often engaged to conduct field  investigations regarding the use of trademarks, use of deceptively similar and substantially identical trademarks, use of offending logos, brands, devices and counterfeit products.

We carry out targeted investigations to gather intelligence on any breaches of your brand, trade mark or intellectual property, including the sale of imitation (fake) products.

Documentary evidence is always gathered wherever possible through the use of covert video cameras and any other necessary means.

Controlled purchases (sometimes called trap purchases) can be required to show evidence that a trademarked item or an item otherwise protected by intellectual property laws is being sold.

We have carried out investigations for Nike, Gucci, Armani,  Playboy and Sony Playstation. 

Drug & Abuse Investigations

Our drug and abuse investigations includes harassment, psychological harm, online bullying, family harm and domestic violence.

Do you suspect your partner, employee or family member is taking drugs, illegal substances or excessive alcohol? 

We know that substance abuse, including drugs and alcohol is a foundation for criminal offending, anti-social behaviour and family harm incidents. We can assist you to manage the risk to you and your family.

Cyber bullying and online harassment is on the increase. We investigate cyber bullying and online harassment which could be effecting you or someone you know. In many cases, we can help to identify the offender. 

We also investigate cases of domestic abuse and violence. This is a real epidemic affecting the wider community, regardless of age, status, religion or nationality. 

When domestic abuse and family violence is reported hiring a private investigator to conduct an investigation is increasingly common to document abuse and gather evidence that can be used by Police. 

Insurance  Investigations

In the 1980s, Dion Neill was one of the first licensed private investigators to carry out investigation assignments for the Accident Compensation Corporation (ACC).

We know that injury, disability and long term sickness insurance claims can amount to a substantial amount of money which may require validation before compensation or ongoing financial benefits are paid.

An experienced private investigator will assist to confirm the validity of insurance claims or investigate a claimant who is suspected of dishonesty and misrepresenting the facts.

Our high-calibre private investigators and  surveillance operatives throughout New Zealand are experienced with managing a variety of insurance claim related investigations. 

We can assist you in the following areas of insurance claim related investigations: travel, theft, vehicle, flood damage, public liability and health related claims, including: trauma, accident, disability and income protection. 

Dishonesty Investigations

Do you suspect theft, fraud or other criminal offending in your business or workplace? Dishonesty offending in the workplace is on the increase as a result of social pressure and financial stress.

Fraud or theft inside a business or organisation frequently occurs through a lack of internal processes, which opens a window of opportunity for trusted staff to carry out acts of dishonesty.

We can provide indisputable evidence for a criminal prosecution, civil legal case or complaint to Police. 

Investigating dishonesty, including employee theft is best left with the professionals. Effective investigation management from start to finish is critical in the prevention of any further risk or losses to a clients business.

Our experience in the commercial sector provides clients with the comfort in knowing we have the skill set to protect their brand, reputation and business interests by providing real evidence to make informed decisions.


Surveillance Operations

Surveillance can be the most effective intelligence gathering and investigative tool available. 

Surveillance is used to support any of the following investigations: theft, fraud and dishonesty related investigations, GPS tracking of assets, equipment or motor vehicles. 

Surveillance is also a common element in the investigation of infidelity (e.g. spouse or partner being dishonest in a relationship).

Surveillance can gain evidence required for a cicil or family court case, criminal prosecution or the visual recording of dishonesty.  

Our experience has proven that evidence and intelligence can be discreetly gained from well-managed surveillance operations that have a clear goal. 

Whether we’re targeting a group, individual, tracking assets or a motor vehicle, we can provide a surveillance and investigation package to meets your requirements.