Mission
Our mission is to generate value for our clients through the delivery of service focused and results driven solutions. The continued success of our business is a direct result of understanding our clients needs and our relentless pursuit of service excellence. As a client-centric business we have two goals: to retain each client as ‘a client for life’ and to be recognised as the premier service provider in our market.
Introducing Dion Neill
Our founder, business owner and PSPLA licence holder, Dion Neill is one of New Zealand’s longest serving field agents, process servers, private investigators, security specialists and risk management consultants. Dion's career began with a period of service in the New Zealand defence forces and emergency services, followed by extensive training with qualified former detectives, senior police officers, military personnel and intelligence specialists.
During his time at the private training establishment of the Royal New Zealand Police College, Dion gained a Certificate in Investigation Skills. In 1998, Dion was certified as a fraud examiner by the Association of Certified Fraud Examiners (certification expired). Dion is a recipient of the New Zealand Defence Forces Service Medal, St John Service Medal and Long Service Award from the Wellington Free Ambulance. he continues to serve our community as a volunteer first responder.
In 2021 and 2024, Dion was named as a finalist of the New Zealand Security Awards along with the Outstanding Security Performance Awards in 2022, 2023 and 2024. He was presented with a National Certificate in Security (Level IV), Certificate in Executive Protection (USA), Certificate in Security Operations (Level IV – Australia) and Diploma of Security and Risk Management (Australia) along with several other recognised credentials.
About Us
The Neill Group (TNG) is a division of Nationwide Field Services Limited. The Neill Group (TNG) has evolved over three decades to a leading provider of high-level security, private investigation, legal support, risk management and field based services. We deliver our range of services to law firms, major banks, financial institutions, insurance companies, utilities companies, law enforcement agencies and debt collection agencies along with corporate entities, private individuals and government departments.
We have offices in Auckland, Wellington and Christchurch to support our team of over 50 people operating across New Zealand from Kaitaia to Bluff. Our nationwide team includes: Field Agents, Process Servers, Private Investigators, Repossession Agents and Security Professionals. The Neill Group (TNG) offers clients the security of engaging with a service provider with proven expertise, governance structures, standard operating procedures and a genuine commitment to ethical practices and brand protection.
At The Neill Group (TNG) we have always recognised the calibre of our people are at the very heart of our continued success, we are committed to continuing the development of our team with a structured training programme on compliance, legal obligations and service methodologies based on industry recognised best practice. Passionate about our clients business, as well as our own, our focus is to be the most results driven and service focused agency in our market.
Since 1987, The Neill Group (TNG) have been delivering high-level security, private investigation, legal support, risk management and field based services throughout every area and region of New Zealand.
Commitment
We are committed to building mutually rewarding partnerships.
We embrace and respect cultural diversity at every level.
Our people will always interact in a respectful manner.
We nurture a safe and secure working environment.
Client satisfaction is at the centre of everything we do.
We manage the environmental impact of our business.
Why use The Neill Group (TNG)?
Conduct
Our assignments will comply with legal requirements including related legislation.
We will always act with integrity, we are ethical, respectful and professional.
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We are governed by a strict code of ethics and professional standards.
Confidentiality
We will not disclose any confidential information without the consent of our clients. We comply with the New Zealand Privacy Act 2020. Our people sign a non-disclosure and confidentiality agreement prior to their employment.
Conflicts of Interest
We will not accept or engage in any assignments where there is a conflict of interest. This includes personal and domestic related matters where the objective of the assignment is unclear or not disclosed by our client.
Compliance
The Neill Group (TNG) are vetted by the New Zealand Police Government licensed by the Private Security Personnel Licensing Authority (PSPLA) as Private Investigators, Repossession Agents, Personal Guards, Property Guards, Crowd Controllers, Security Consultants, Monitoring Officers and Confidential Document Destruction Agents. We hold commercial insurance policies covering public liability, statutory liability and professional indemnity.
Reporting
- Our findings will be presented in an unbiased and fact-based manner.
- We will not omit any evidence or material information.
- Our reports are confidential and subject to legal privilege.
We Proudly Support





What is the most important thing in the world? He tangata, he tangata, he tangata. It is the people, it is the people, it is the people.
Paying it forward is an important part of our DNA.
We are committed to having a positive impact on our community by being empathetic and compassionate yet effective when we engage with members of our community. We also partner with a number of law firms on a pro bono basis, providing security, investigative and field based services to support vulnerable or disadvantaged people.