The Neill Group - New Zealand

The Neill Group - New Zealand New Zealand’s Leading Field Agents, Process Servers, Private Investigators, Repossession Agents & Security Professionals Since 1987. Why choose us?

We have 30 + years of front-line operational experience within New Zealand and internationally. 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. Dion Neill and his investigation team have solved private, commercial, and cr

iminal cases since 1987. Our team has a high level of EQ, we treat people with respect, empathy, and a balanced level of firmness. The Neill Group operates New Zealand's largest network of field agents, private investigators, and legal document servers. 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 investigations and field assignments every year. Our process servers are authorised to serve criminal documents pursuant to the Summary Proceedings Act 1957. We apply methodologies based on recognized best practices with robust processes and standard operating procedures. For more information, please visit: www.tng.nz

We now have a YouTube channel!
16/06/2026

We now have a YouTube channel!

Dion Neill launched his career as a government licensed private investigator in 1987 following a period of service in the New Zealand Defence Forces. Prior to establishing his businesses; Proserve, Medic 1, The Neill Group (TNG) & Protective Services; Dion was a process server and private investigat...

** Generous Reward Offered ** Locky the Jack Russell is missing from the Makara area. It is believed he was unlawfully t...
11/06/2026

** Generous Reward Offered **

Locky the Jack Russell is missing from the Makara area. It is believed he was unlawfully taken from a rural address.

Have you seen Locky? The owners are desperate to have Locky home with their family.

Please call us! 0800 482 738 or email: [email protected]

Or, contact Crime Stoppers anonymously:

https://crimestoppers-nz.org/report/

All information provided will remain private and confidential.

Thank you

The Neill Group (TNG)
Government Licensed Private Investigators Since 1987.

www.tng.nz

14/03/2026
24/11/2025

21 November 2025 - MoreFM radio interview with Dion Neill on cheaters, infidelity and relationship investigations by private investigators.

Another very satisfied client! Thank you Taryn.
16/11/2025

Another very satisfied client! Thank you Taryn.

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Auckland

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