The Neill Group is a highly experienced multi-service agency based in Wellington with a network of agents and associates throughout New Zealand. The Neill Group provides a range of professional services from private investigations, specialised security and risk management to legal support, field visits and the serving of legal documents. 

Searching for a Wellington or New Zealand Private Investigator, Document Server (Process Server), Field Agent, Personal Protection Specialist or Security Professional? The Neill Group are New Zealand’s leading providers of private investigation, specialised security, legal support, process serving (nationwide legal document service) and field agent services.

Based in Wellington, The Neill Group has a strategic network of nationwide licensed private investigators, security specialists, process servers (legal document servers), field agents, surveillance operatives, repossession agents and forensic experts covering every area, district and region of New Zealand.

The Neill Group’s contracted licensed private investigators, security specialists, process servers and field agents are sourced exclusively from the police and military with the experience, unique skill set and operational capability that is quite simply, second to none. 

Commercial & Private Investigations

The Neill Group’s licensed private investigators, contracted fraud examiners and surveillance operatives have decades of experience investigating a range of matters from complex theft and fraud to suspected infidelity along with criminal defence assignments, covert surveillance and the investigation of insurance claims. 

The scope of investigation services provided by The Neill Group across the greater Wellington region and throughout New Zealand are extensive and include confidential background checks and commercial due diligence. The Neill Group’s tracing experts have many years of experience locating defendants, witnesses, debtors, missing people and are also utilised to locate hidden assets.

Risk Management

Our certified and licensed security risk management consultants assist the commercial, government and private sectors with developing and implementing comprehensive security strategies to mitigate and manage risk to people, assets and information. Our international security risk management service also includes security audits, security reviews and business contingency planning. 

Our qualified security consultants have the capability to assist organisations with the response to any emergency or critical incidents from natural disasters to attempted extortion. When the threat to business is particularly acute, The Neill Group will deploy a risk management specialist with the skills to manage risk to any individual or organisation in Wellington and throughout New Zealand or worldwide.

Specialised Security

Protective Services is the private security, personal protection and risk management business unit of The Neill Group with the operational capability beyond that of a typical security guard company. Protective Services utilises a team of highly skilled and trained security professionals sourced exclusively from the police and military to provide an expert level of security at public events and private functions.

The contracted personal protection officers (internationally experienced, qualified and highly trained bodyguards) of Protective Services also provide risk management and close personal protection to visiting music artists, international celebrities, sports personalities, film talent corporate executives and high-net worth clients in Wellington and throughout New Zealand or worldwide.  

Document Serving (Process Serving)

The Neill Group are Wellington’s market leader for document serving and legal process serving with over three decades of experience serving district court, high court and family court legal documents along with dissolution of marriage (known as divorce proceedings), international process, trespass notices, subpoenas, summonses and time critical documents in Wellington and throughout New Zealand.

The Neill Group has a strategic network of licensed process servers, security specialists, private investigators and field agents to provide clients with a true nationwide service. The Neill Group provides a comprehensive tracing, surveillance, intelligence gathering and private investigation service to assist in locating missing defendants, witnesses, debtors, family members and people of interest.

Field Visits

The Neill Group’s provides a range of field agent related services in Wellington and throughout New Zealand from field visits, debtor interviews, payment negotiations and address confirmation to background checks, floor plan audits and the verification of financial data.

Our nationwide field agents specialise in managing habitual debtors and people that are evasive and fail to respond to contact requests. A personal visit by one of The Neill Group’s highly experienced and professional field agents has proven to achieve positive results when other methods have failed. Our field agents will visit the debtor or client to ensure compliance of contractual and legal obligations.

Para-Legal Support

The Neill Group provides a comprehensive range of para-legal support services from skip tracing and document serving (service of legal process) to interviewing people of interest and taking statements across the greater Wellington region and throughout New Zealand. We have an extensive knowledge of the legal system and are familiar with the crimes act and related legislation.

The Neill Group assists legal counsel and legal defence teams in Wellington and throughout New Zealand with reviewing disclosures, police and crown prosecution files. Our licensed private investigators also take statements, gather evidence and undertake detailed background inquiries on defendants, witnesses and people of interest who are named in legal proceedings. 

Repossessions (Asset Trace & Recovery)

The Neill Group are certified and licensed by the Department of Justice to repossess assets and motor vehicles in New Zealand. Our licensed repossession agents have a wealth of experience locating hidden assets and repossessing commercial machinery, aircraft, marine vessels and motor vehicles in Wellington and throughout New Zealand or worldwide using a strategic network of licensed repossession agents.

Our private investigators have decades of success tracing hidden assets throughout New Zealand. Commercial entities, public organisations, government agencies and private clients utilise The Neill Group’s high level of expertise and proven track record of providing specialised services and bespoke solutions with the geographical reach that few can match.

Safety & Security Training

At The Neill Group, we provide a range of personal safety and specialised security related training programmes in Wellington and throughout New Zealand, including: threat management, managing difficult people, armed robbery awareness, security risk management, managing bomb threats, fraud detection, conflict management, travel safety and retail loss prevention. 

Our workshops are facilitated by highly qualified training consultants with decades of front line experience in the emergency services or military. The Neill Group delivers training to clients in the commercial, government and corporate sectors. 

Our Credentials 

The Neill Group incorporates a number of business units, including:  Accredited Process Servers, Wellington Process Servers, NZ Process Servers, RapidServe, Protective Services and the Wellington Investigation Group. 

Following the acquisition of RapidServe and the Wellington Investigation Group, The Neill Group are now the largest provider of document serving, para-legal support and field agent services available in the Wellington region. 

The Neill Group’s expertise stems from the experience of Dion Neill, a former member of the New Zealand Defence Forces and emergency services. Dion provides his clients with the benefit of over 30 years experience within the international security and private investigation arena. 

Dion was one of the founding directors of the original company, Wellington Investigations working alongside his fellow directors of Auckland Investigations (now known as ‘The Investigators’). Dion contracted his services to a number of leading private investigation, process serving and security organisations prior to establishing The Neill Group and Protective Services. 

Dion is a foundation member of the New Zealand Institute of Professional Investigators Incorporated, Security Institute of New Zealand and the Institute of Management New Zealand. Dion is a former certified fraud examiner with a number of internationally recognised qualifications in security, risk management and investigations.

Dion featured on the popular TVNZ series, ‘Private Investigators’ and interviewed on the TVNZ Breakfast programme regarding protecting high profile people. Dion regularly provides commentary to the media on private security industry related matters.

Dion has spent a number of years conducting covert surveillance, co-ordinating undercover operations and managing hundreds of investigations. Dion was one of the first licensed private investigators in New Zealand to carry out investigation assignments for the ACC, the governments private accident and injury insurance agency.

In the 1980’s, Dion provided evidence in the High Court following a lengthy investigation focusing on a major theft operating within a large multi-national business, Dion’s evidence was key to the successful conviction of over 25 offenders.

Government Licensing

The Neill Group is the trading name for Dion Neill who is an individual licence holder, certified and licensed by the Ministry of Justice (Private Security Personnel Licensing Authority) as a private investigator, security consultant, repossession agent, personal guard, property guard, crowd controller and confidential document destruction agent. 

All contracted agents are certified and licensed by the Ministry of Justice to ensure compliance with the Private Security Personnel and Private Investigators Act 2010. 

Client Confidentiality

Our contractors and agents must sign a confidentiality agreement prior to deployment on any assignment. Trust is an important element of our relationship therefore our people understand the seriousness of breaching this agreement. Our people have experience working within highly confidential and sensitive environments and always respect the privacy of our clients.  

Our Vision

The continued success of The Neill Group is a direct result of our approach to understanding the key drivers of value for our clients and relentless need to exceed their expectations. The Neill Group vision is to be the partner of choice for the provision of specialised support services to premier New Zealand and International organisations in the markets we serve, and for our people and culture to be the aspiration of those with whom we do business.  

Our Values  

  • Integrity
  • Professionalism  
  • Compliance  
  • Performance
  • Knowledge  

International Alliances 

The Neill Group can secure clients and assets anywhere in the world with assistance from strategic alliance partners with international private investigation, security and personal protection agencies.  

Protective Services and The Neill Group serve as the New Zealand alliance partner to a worldwide process servers network, Australian Professional Bodyguards (A Division of the Australian Protection and Intelligence Agency), Clearwater Special Projects (UK), S-RM (UK) and the Anvil Group (USA).

Profiles – Agents & Associates

We have a number of profiles available on request from our existing operational security, risk management and personal protection teams. Please respect our profiles are subject to a high level of confidentiality due to the nature of our business and the unique backgrounds of the individuals concerned. 


Our contracted private investigators, process servers, security specialists and field agents are selected from the police and military, we do not actively recruit for contractors. 

Areas of Service – The Neill Group & Protective Services

The Neill Group are based in Wellington with a strategic network of nationwide licensed private investigators, process servers, field agents, security specialists and repossession agents throughout the greater Wellington region along with agents in every area, district and region of New Zealand, including: Northland, Whangarei, Auckland, Wellsford, Warkworth, Orewa, Albany, Takapuna, Mangere, Manurewa, Pukekohe, Coromandel Peninsular, Thames, Waihi, Whangamata, Whitianga, Waikato, Hamilton, Te Awamutu, Cambridge, Huntly, Morrinsville, Matamata, Putaruru, Tokoroa, Otorohanga, King Country, Taumarunui, Te Kuiti, Waitomo, Bay of Plenty,Tauranga, Te Puke, Whakatane, Kawerau, Opotiki, Rotorua, Taupo, Turangi, Murupara, East Cape, Gisborne, Tolaga Bay, Tokomaru Bay, Ruatoria, Te Kaha, Taranaki, Wanganui, New Plymouth, Stratford, Hawera, Waitara, Inglewood, Manawatu, National Park, Waiouru, Taihape, Plamerston North, Marton, Bulls, Feilding, Ashhurst, Foxton, Horowhenua, Levin, Otaki, Kapiti, Waikanae, Paraparaumu, Paekakariki, Wellington, Plimmerton, Porirua, Tawa, Johnsonville, Upper Hutt, Lower Hutt, Wainuiomata, Hawkes Bay, Wairoa, Napier, Hastings, Havelock, Waipukurau, Dannevirke, Wairarapa: Featherston, Pahiatua, Masterton, Carterton, Greytown, Tasman, Nelson, Blenheim, Picton, Motueka, West Coast, Westport, Greymouth, Hokitika, Wanaka, Queenstown, Twizel, Alexander, Te Anau, Canterbury, Christchurch, Kaikoura, Ashburton, Southland: Timaru, Oamaru, Dunedin, Invercargill, Balclutha, Mossburn, Gore.