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International alliances

We have an established local and international network of alliance partners who are experts in the security, intelligence and investigation sectors. Through our long term partnerships, The Neill Group (TNG) has a true global presence and can undertake our services in more than 30 countries around the world. Dion Neill is a member of ASIS International and the World Association of Detectives (W.A.D.), membership of these two respected professional organisations allows The Neill Group (TNG) to gain immediate access to international service providers.  

Government licensing 

We comply with relevant industry legislation including the Private Security Personnel and Private Investigators Act 2010. We are approved by the New Zealand Police and licensed by the Ministry of Justice (Private Security Personnel Licensing Authority) as providers of security, repossession and private investigation services. All contractors hold a current licence (company or individual licence) and/or a certificate of approval (COA) as a private investigator, repossession agent, property guard, personal guard, security consultant and crowd controller. 

Client confidentiality

Trust is an important element of our client relationships. Our agents and associates must sign a confidentiality agreement prior to deployment on any operational assignment. You can be rest assured that we are committed to protecting your privacy, identity and information at all times.

Why choose us?

  • Many of our team members are sourced from the defence forces, intelligence and law enforcement sectors. 
  • Our people are vetted, police approved and government licensed; we carry out background checks prior to their engagement.
  • The Neill Group operates New Zealand's largest network of field agents, private investigators, repossession agents and security professionals.
  • Our people are widely respected for their tenacity, knowledge and commitment to providing exceptional results with a high-level of service.
  • Our operational capabilities are extensive; we manage hundreds of nationwide security, investigations and field assignments every year.
  • Dion Neill and his investigation team have solved hundreds of private, commercial and criminal cases since 1987. 
  • We use the latest technology, confidential informants and worldwide intelligence sources that are second to none.

Introducing Dion Neill, founder and licence holder

The Neill Group (TNG) is founded on the vast experience and knowledge of founder, Dion Neill, a former member of the defence forces and emergency services. In the 1980s, he gained his skills and knowledge with military personnel, qualified detectives, senior police officers and government intelligence officers and has been trained to a high-level in every aspect of investigations and security risk management. Dion was certified as a fraud examiner and holds a Diploma of Security and Risk Management along with a number of other recognised credentials. He also a qualified instructor and delivers mandatory training to security guards. crowd controllers and event security personnel.   

Here are some highlights from Dion’s career in the security and investigation sector:

  • In 1989, Dion famously withstood cross-examination in the High Court by the late Mike Bungay QC. His evidence resulted in over 20 convictions.
  • When ACC needed to take fraud investigation to a higher level, Dion was one of the first licensed private investigators in New Zealand they selected.
  • A prominent business owner received serious threats of violence and Dion was assigned to protect her. This assignment was the catalyst for Dion to expand into providing high-level security and personal protection.
  • Dion was certified as a fraud examiner and was awarded a Certificate in Investigation Skills by the Royal New Zealand Police College.
  • Dion was a senior manager with Group 4 Security (known globally as G4S). In this role, he was responsible for leading a national security team.
  • In the 1990s, Dion personally managed the security and personal protection for a sports team representing New Zealand in South Africa.
  • Dion was a finalist in the 2021 New Zealand Security Awards and 2022 Outstanding Security Performance Awards (OSPAs).
  • Dion achieved a number of security related certifications including a Diploma of Security and Risk Management (Australia).
  • In 2001 - Wellington Investigations Limited, a private investigation and security consultancy, was founded by Dion and three other experienced associates.
  • Dion founded Protective Services Limited, recognised as one of the first executive care and personal protection companies operating in New Zealand.

Dion Neill is a proud recipient of the New Zealand defence forces service medal, St John service medal and long service award from the Wellington Free Ambulance. He is a finalist of the 2021 New Zealand Security Awards and 2022 Outstanding Security Performance Awards. The Neill Group (TNG) has been recognised with a number of 5 star online reviews and awards, including: 

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