
About TNG
Dion Neill
Our founder and business owner Dion Neill is one of New Zealand’s longest serving field agents, process servers, private investigators and security professionals. His career began with a period of service in the New Zealand defence forces, followed by extensive training by former detectives, military personnel, senior police officers and government intelligence specialists. During his time at the Royal New Zealand Police College, Dion gained a Certificate in Investigation Skills and international certification as a fraud examiner.
Dion 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. Dion was the finalist for a number of New Zealand and global industry related awards. 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 a number of other recognised credentials.
Our commitment
5 facts
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Our commitmentWe are recognised for our tenacity, knowledge and commitment to providing exceptional results.
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Our capabilitiesOur capabilities are extensive; we manage hundreds of assignments every year.
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Our track recordWe have a proven track record of results that extends over three decades.
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Our quality managementWe use a quality management system to ensure continuous improvement and service delivery.
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Our sourcesWe use technology, informants and intelligence sources that are second to none.
Standards of Conduct
Our work always complies with the law.
We act with integrity and adhere to the highest ethical standards.
We seek publicity only where it is an advantage to our business.
Confidentiality
Conflicts of interest
Government licensing
The Neill Group (TNG) is the approved trading name of Dion Neill. The Neill Group (TNG) are 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.
Reporting
- Our findings will be presented in an unbiased and fact-based manner.
- We will not omit any evidence or material information.
Community Support





In addition, The Neill Group (TNG) partner with a number of law firms on a pro-bono basis to support disadvantaged people. Such partnerships assist us in effectively contributing to the community, to the benefit of those most vulnerable.