Serving Auckland, Wellington, Christchurch & Nationwide Since 1987!
Our Core Objectives
Clients for Life: We aim to build enduring partnerships by consistently exceeding expectations.
Market Leadership: We strive to be recognized as the absolute premier service provider in our industry.
Governance & Social Sustainability
Socially Sustainable Pioneer: TNG is the first provider in our market to integrate a dedicated social and moral layer of ethical practices directly into our business model.
Health & Safety Compliance: We maintain absolute compliance with all WorkSafe New Zealand regulations to ensure safe operating environments.
Uncompromising Privacy: We strictly guard client confidentiality and never disclose private, personal, or proprietary information.
Our Commitments
Partnership: Building long-term, cooperative client relationships.
Diversity: Embracing cultural diversity at every operational level.
Respect: Engaging professionally, transparently, and respectfully at all times.
Safety: Cultivating a secure and healthy workspace for our personnel.
Sustainability: Responsibly managing and mitigating our environmental footprint.
TNG Code of Ethics & Professional Standards
Integrity: We operate with total compliance, safety, and alignment with professional standards.
Environment: We maintain a strict policy regarding the eco-friendly use of products and business supplies.
Paying It Forward
"Paying it forward" is embedded in our DNA. We proudly support vital New Zealand charities and non-profits, including: St John, Life Flight, Starship Foundation, Everybody Eats, Women’s Refuge, NZ Police Dog Trust, Variety Children's Charity, I Am Hope Foundation, and Wellington Free Ambulance.
Transparency
Fact-Based Reporting: Our investigative findings are presented in an entirely unbiased, objective manner. We do not omit material information or evidence.
Conflict of Interest Protocols: To protect our clients, we enforce a strict policy against knowingly accepting any assignments that conflict with past or existing client engagements.
Introducing Dion Neill, Founder & Business Owner
Credentials
Royal New Zealand Police College: Certificate in Investigation Skills.
Internationally Recognised Certifications: Former Certified Fraud Examiner (CFE) and Certificate in Executive Protection (USA).
Security, Personal Protection & Risk Management Qualifications: Certificate in Private Investigations (C4 Group), Level IV National Certificate in Security, Level IV Certificate in Security Operations (Australia), Diploma of Security & Risk Management (Australia), Providing Executive Protection (Alan Kinnane & Associates).
Finalists - New Zealand & International Security Awards
New Zealand Security Awards: Finalist in 2021 and 2024 for Outstanding New Product or Service of the Year.
Outstanding Security Performance Awards (OSPAs): Finalist in 2022, 2023, and 2024 across categories including Outstanding Contract Security Director, Outstanding Security Consultant, and Outstanding New Security Product.
Media Features
Gone without a trace?
Repossessions
Cheaters! Infidelity Investigations
Click here to view our YouTube Channel - New Zealand Private Investigators
Latest Technology
We use the latest GPS technology, applications and software. Our clients have access to our secure online portal to allow complete transparency.
Trained People
Our team throughout New Zealand are professionally trained and sourced from the defence forces, intelligence and law enforcement sectors.
Unequalled Experience
Founded in 1987 by Dion Neill, we are committed to delivering exceptional results and service to private, commercial and government clients.
Global Resources
We have unlimited access to international resources including security, intelligence, investigation and risk management specialists.
Nationwide Services
We have established offices in Auckland, Wellington and Christchurch to support our regional based team operating from Kaitaia to Bluff.
Government Licensed
We are licensed by the Private Security Personnel Licensing Authority as security providers, private investigators and repossession agents.


