New Zealand's leading nationwide providers of security, investigations, process serving and field services.
The Neill Group (TNG) delivers a range of nationwide security, investigation, process serving and field services. With more than 35 years of industry experience, we have developed relationships with a growing number of private, commercial and government clients throughout New Zealand and worldwide.
The calibre of our people in every region of New Zealand remains the key to our success. Each team member contributes to a significant resource of collective experience from the defence forces, intelligence and law enforcement sector. They have been carefully selected for their resilience, skill sets and operational expertise.
We are governed by a strict code of ethics and professional standards. We offer every client regardless of size or stature a genuine commitment to delivering exceptional service with integrity and professionalism. When you need a reliable and cost-effective service provider, The Neill Group (TNG) should be your first choice.
Small enough to care. Large enough to matter.
Private Investigators – Private Investigations
Do you have a personal or business concern? Contact us for discreet, confidential and cost-effective private investigations throughout New Zealand.
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Field Agents – Field Services & Asset Recoveries
The Neill Group (TNG) are licensed repossession agents, we can assist with audits, tracing, field visits, debtor interviews, asset recoveries and vehicle repossessions.
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Process Servers – Legal Document Serving
Our team of nationwide process servers have over three decades of experience serving legal documents, court proceedings and dissolution of marriage applications.
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Security Consultants – Security Risk Management
We have been protecting brands, people and reputations since 1987. Contact us for security consulting, high-level security, personal protection and risk management.
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Introducing Dion Neill, Founder & Business Owner
The Neill Group (TNG) is owned and operated by Dion Neill. He is a former member of the defence forces and emergency services. In 1987, Dion commenced training with former police officers, military personnel, and intelligence specialists. In 2003, Dion featured on the popular television series, ‘Private Investigators’. He was also interviewed on TVNZ Breakfast regarding protecting high profile people.
Dion was one of the first private investigators to carry out assignments for the Accident Compensation Corporation (ACC). He provided evidence in the High Court relating to a lengthy theft investigation. Dion’s evidence was instrumental in securing a number of convictions. Dion has published articles on identifying fraud, workplace theft, personal safety and providing executive protection.
Dion was certified as a fraud examiner, and awarded a Certificate in Investigation Skills from the Royal New Zealand Police College, Dion achieved a Diploma in Security and Risk Management (Australia) along with a number of other credentials. Dion is a qualified facilitator and conflict management instructor, he was one of the first NZQA qualified instructors to facilitate the national certificate in security.
Voted #1 Best Private Investigator in Wellington by Top Reviews. Finalists – 2021 New Zealand Security Awards. Finalists – 2022 & 2023 Outstanding Security Performance Awards (OSPAS).
Why use The Neill Group (TNG)?
Latest Technology
Our team use the latest technology to provide live updates from the field directly to our clients. We also use technology to keep our operational team safe and secure.
High-Calibre People
We select the best people from the defence forces, intelligence and law enforcement sector. Our people are highly skilled and professionally trained.
Unequalled Experience
Since 1987, we have remained committed to our stringent compliance, professional code of ethics and reputation for delivering results and service that is second to none.
Global Resources
Dion Neill is a member of ASIS International, New Zealand Security Association and World Association of Detectives. We have unlimited access to local and global resources.
Government Licensing
The Neill Group (TNG) are licensed by the Ministry of Justice (PSPLA) as security providers, private investigators and repossession agents in New Zealand.
Nationwide Services
We provide a nationwide service to suit the needs of every client. We are the experts in providing security, legal support, private investigations and field based services.