Over 30,000 assignments completed! We are New Zealand's most experienced providers of investigation, surveillance and intelligence gathering services.
When you need to know the truth, trust our experience. The Neill Group (TNG) manages all commercial and private investigation assignments with unmatched investigative expertise.
Not all private investigators are equal! When uncertainty threatens you, your business, your family or your peace of mind, you need to employ the right private investigators in New Zealand.
We combine decades of front line police, law enforcement and intelligence gathering experience with the very latest technology, investigation tools, professional insight and extensive skill set.
- New Zealand’s best investigation team: Our team includes qualified former New Zealand police detectives, senior police officers and government intelligence officers.
- Over three decades of investigation experience: We have over three decades of investigation experience with over 30,000 assignments successfully completed since 1987.
- Commercial and private investigation support: We have access to investigation specialists including security consultants, forensic experts and document examiners.
TNG is a reputable agency with a legacy built on over 100 years of combined experience; we deliver private investigation, commercial investigation and intelligence gathering services anywhere in New Zealand.
We bridge the gap between traditional field experience and modern technological advancements. Our investigation team serves a diverse clientele, providing comprehensive support to law firms, financial institutions, insurance providers and selected private clients
Copyright, I.P. & Trade Mark Investigations
We investigate the infringement of IP, copyright and trade mark patents. We can assist help you to safeguard the integrity of your brand or company’s reputation. Dion Neill has personally carried out complex investigations for global companies, including: Nike, Sony, Adidas, Armani, Playboy, and Microsoft.
Insurance Claim Investigations
We act for insurance companies to ensure claims are genuine. Claims can amount to substantial amounts of money, which often requires further inquiries before any form of compensation is made to the insured. We can assist you to confirm the validity of insurance claims and to investigate a claimant who is suspected of misrepresenting the facts.
Drugs, Alcohol & Substance Abuse Investigations
Do you suspect your partner, family member or employee of taking drugs or illegal substances? Drugs, alcohol and substance abuse is often the foundation for criminal and anti-social behaviour. We can investigate any concern of drug, alcohol and substance abuse. We also investigate cases of suspected physical and psychological abuse.
Commercial Investigations
We offer business owners a comprehensive investigation service to safeguard their business interests. Our modern technology and formidable experience enable us to take on every type of investigation assignment. We will thoroughly investigate, obtain factual information and take evidential statements.
Tracing Services
We trace missing people including debtors, defendants, court witnesses, birth parents and family/whānau members. Our tracing specialists use legally compliant tracing methods including social media, data mining, digital footprint tracking, confidential informants and property ownership searches to find missing people throughout New Zealand and worldwide.
Criminal Investigations
We support criminal prosecution teams and defence counsel (barristers and solicitors) throughout New Zealand who are actively engaged in criminal cases. Our services in this area includes interviewing, taking statements, locating witnesses and obtaining evidence.
Vetting & Background Checks
Who are you really hiring? With the many investigation tools at our disposal, we provide employers with evidence-based recommendations about prospective employees. Background check on prospective employees or employees in positions of trust can help to mitigate risk. If you decide not to carry out these essential checks, it can have a long term negative effect on your clients, business and reputation.
Employment, Human Resource & Workplace Investigations
Protect your business with independent employment, human resource and workplace investigations. Managing bullying, harassment or serious employee disputes requires strict impartiality. Our experienced team manages the entire investigation process to ensure fairness, reduce risk, and meet your legal and statutory obligations as a good employer.
Criminal Defence
We provide criminal defence lawyers with thorough, impartial investigative support to build robust cases. When your client’s freedom is on the line, you need reputable Private Investigators who understand the strategy of both sides of the courtroom. Our team of qualified former police detectives know exactly how law enforcement operates and constructs their prosecution files.
Theft, Fraud, Scams & Dishonesty Investigations
Our private investigators frequently investigate theft, fraud, online scams and dishonesty offences including suspected insurance claim fraud. We have a lengthy track record of catching thieves, online scammers and fraudsters. We use a number of legally acceptable investigative tools including scam baiting, digital footprint tracking and open source tracing methods to expose offenders.
Suspected Infidelity & Personal Relationship Investigations
Are you searching for a reputable private investigator in Auckland, Wellington, Christchurch or any other region of New Zealand? Our private investigators will confirm if your partner is cheating or being dishonest. We carry out discreet infidelity and personal relationship investigations. Our private investigation team use various investigative tools including covert surveillance, social media, honey trapping and data mining to prove relationship dishonesty (infidelity).
Employee & Contractor Dishonesty Investigations
Our team of private investigators can assist with the investigation of fraud, theft and other acts of dishonesty. We also provide a range of bespoke investigation, security consulting, protective security and risk management services to assist with other workplace concerns including stalking, harassment, bullying and employee security and personal safety.
Online Integrity, Digital Footprint & Social Media Management
Our online intelligence services deliver lawful, evidence-grade assessments of a subject’s publicly available digital footprint. We map open-source data by analysing public profiles, executing handle pivots, and conducting thorough adverse media screening. Every investigation strictly adheres to non-intrusive compliance standards, we never utilise account access, data interception, or covert tracking.
Corporate, Business & Commercial Due Diligence
Our due diligence and risk mitigation services delivers valuable insights designed to mitigate risk and protect critical assets. We provide comprehensive due diligence to secure strategic transactions, alongside competitor analysis to sharpen market positioning. When internal threats arise, our team conducts thorough investigations, targeted intellectual property and data leak inquiries.
Enforcement of Debt, Legal Orders & Court Judgments
Winning a court case is only half the battle; collecting what you are owed is the real victory. We enforce debt, legal orders, court judgments and arbitration awards when your client or debtor refuses to pay. Our private investigators manage the entire process from start to finish, combining legal expertise with practical strategies to turn your legal victory into actual cash recovery.
Paralegal Support & Litigation Services
Our process servers and private investigators assist legal clients throughout New Zealand with a range of paralegal support and litigation services including tracing, field visits, case file reviews, forensic analysis, offender interviewing, obtaining evidence, scene examinations, enforcing court judgments and serving legal proceedings as authorised process servers.
Children, Young People & Family Custody Investigations
Protecting your child and young person’s safety is your top priority. If you suspect any form of abuse or negligence from your childcare provider, parent or caregiver, our private investigators gather solid evidence to give you total peace of mind and the legal proof so you can take action. Your child and your family deserves to live in a safe environment, and you deserve to know the facts.
Insolvency, Liquidations & Company Receiverships
Our operations team have an extensive nationwide reach, we combine our industry knowledge with efficient execution. We specialise in the seamless management of insolvency, liquidations and company receiverships, locating and safeguarding assets with absolute precision. Our people are expert negotiators who are professionally trained to manage conflict and deliver the best possible result.
Commercial, Corporate & Business Investigation
Our private investigators have been supporting business owners and corporate clients since 1987. Our decades of commercial and private investigation experience allows us to deliver exceptional results. Our qualified former police detectives and senior police officers discreetly investigate, obtain evidence and information to assist with prosecutions and legal matters.
Residential & Commercial Re-Entry (Evictions)
If a tenant of a commercial property defaults and the statutory notice period is met, a landlord may effect a “peaceable re-entry”. Our private investigators act as agents for residential landlords and commercial property owners, we manage the entire eviction and re-entry process from serving the required documents to securing the property, every step we take is legal and compliant.
Surveillance (Covert) & Intelligence Gathering
Are you searching for a reputable and experienced private investigator? We have been providing surveillance, investigation and intelligence gathering since 1987. Our private investigators use covert surveillance and intelligence led investigations to obtain evidence of theft, fraud, and dishonesty. When you need peace of mind, you can rely on our private investigators to reveal the truth.
Personal Safety & Conflict Management Training
Our personal safety, situational awareness and conflict management training empowers you to manage challenging, abusive, and aggressive behaviours safely and legally. You will learn to recognise automatic stress responses and implement practical, real-time strategies to manage them effectively and professionally. We can also design and facilitate training on any matter to suit your requirements.
Insolvency, Liquidations & Company Receiverships
Our operations team have an extensive nationwide reach, we combine our industry knowledge with efficient execution. We specialise in the seamless management of insolvency, liquidations and company receiverships, locating and safeguarding assets with absolute precision. Our people are expert negotiators who are professionally trained to manage conflict and deliver the best possible result.
Automotive Industry Floor Plan Auditing
As one of New Zealand’s largest nationwide floorplan auditing providers, we deliver unmatched independent and impartial vehicle asset verification. Our trusted reputation in the market ensures we are the premier choice for banks, lenders and finance companies. We deploy a highly experienced team of private investigators with deep investigative backgrounds to ensure absolute accuracy.
Field Visits, Debt Collection & Identity Verifications
When your client or debtor ignores calls, letters, and emails, a personal face-to-face visit is the most appropriate next step. Using our extensive network of Private Investigators we provide field based coverage throughout New Zealand. Our team are highly integral to the debt collection process by establishing direct contact, sighting assets, negotiating payments and verifying personal identification.
Discreet, Reliable & Confidential Private Investigations
As New Zealand’s most trusted private investigators, Dion Neill and his team of private investigators have been providing reliable, discreet and confidential investigations since 1987. Our investigation team assist with personal matters, we manage stalkers, online harassment, child custody concerns, locating hidden property, safeguarding family members and the personal service of New Zealand Family Court documents.
