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 the markets we serve.
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 in 2003). 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.
Dion 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 internationally recognised credentials. In 2021 and 2024, Dion Neill, TNG Security and The Neill Group (TNG) were named as a finalist of the New Zealand Security Awards along with the Outstanding Security Performance Awards (OSPAs) in 2022, 2023 and 2024.
About
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 nationwide 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 regional based offices in Auckland, Wellington and Christchurch to support our team of over 50 industry professionals operating throughout every area and region of New Zealand from Kaitaia to Bluff.
Our team of nationwide industry professionals includes:
:: Field Agents
:: Process Servers
:: Private Investigators
:: Security Specialists
:: Repossession Agents
:: Risk Management Consultants
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 recognise 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 recognised best practice. We are passionate about our clients business, as well as our own, our focus is to be the most results driven and service focused agency in the markets we serve.
Since 1987, Dion Neill and The Neill Group (TNG) have been delivering a range of professional services throughout every area and region of New Zealand from Kaitaia to Bluff.
Our commitment to you...
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)?
Technology
People
We source are people from the defence forces, intelligence and law enforcement sector. Our nationwide industry professionals are highly-skilled and experienced.
Experience
We have been operating throughout New Zealand since 1987. We have earned a solid reputation for delivering exceptional levels of service and tangible results.
Resources
We have unlimited access to New Zealand and international resources for tracing, security, private investigation, risk management and field based services.
Coverage
Our network of field agents, process servers, security specialists, private investigators, repossession agents and risk management consultants operates from Kaitaia to Bluff.
Licensing
We have been Police vetted and Government Licensed for over three decades. All of our people hold a Certificate of Approval (COA), Company Licence or Individual Licence.
Safety first
The Neill Group (TNG) is committed to protecting the health, safety and wellbeing of our agents, associates and the general public. We work constantly to integrate safety into everything we do by providing resources, training, monitoring and leadership designed to prevent workplace incidents.
Our safety culture is driven by three core philosophies:
- Zero tolerance culture
- Philosophy of risk avoidance
- A focus on training and compliance
A safety culture and the wellbeing of our people is of critical importance to The Neill Group (TNG). This is supported by a strong WHS system, leadership, our values, and a dedicated team who work to ensure the safety of all our stakeholders.
Ethics and professional standards
The Neill Group (TNG) are committed to high ethical standards in our business dealings, to ensure the integrity of our people and our organisation. Our governance includes an established Code of Professional Ethics which outlines our expectations with respect to agent and associates behaviour.
Strict adherence to the Code and supporting policies is a condition of all contractor agreements, and any material breaches of this framework would result in disciplinary action and where appropriate, criminal proceedings. All of our contracted industry professionals will always act with integrity and impartiality. Compliance with our professional standards and code of conduct is maintained by a regular audit process.
The Neill Group (TNG) is aware of the financial, environmental and social impacts of its decisions and actions and is committed to delivering socially and environmentally responsible solutions. We have developed and maintain a formal social responsibility programme with a focus on three key areas of our business:
- Our Integrity
- Our Environment
- Our Community
Integrity
The Neill Group (TNG) maintains a critical role in our community. We ensure that we approach our business operations in a manner which is safe, legally compliant, ethically responsible and aligned with our values at all times. The nature and geographical breadth of our operations means that we interact with a multitude of people across a large number of communities every day. We ensure that we make a positive impact on these communities through the manner in which we engage and interact.
Environment
The Neill Group (TNG) recognises that its business activities have both a direct and indirect impact on the natural environment and is committed to proactively managing these in a responsible manner. We maintain a strict environmental management policy in relation to environmental use of products, waste minimisation, communication and supply initiatives, in-house waste, toner recycling and supply chain responsibilities.
The Neill Group (TNG) proudly supports...





Paying it forward is an important element of our business DNA.
We are committed to having a positive impact on our community by being empathetic and compassionate yet highly effective when we engage with members of our community. We further support our community by partnering with a number of law firms on a pro bono basis to provide security, investigation and other field based services to support vulnerable people.