The Neill Group are based in Wellington with associates throughout New Zealand selected exclusively from the law enforcement, defence forces and intelligence sectors. The Neill Group is a highly experienced nationwide multi-service agency providing legal support, process serving (document serving), private investigations, specialised security, risk management and professional field services.

The Neill Group operates one of New Zealand’s largest nationwide networks of licensed private investigators, security specialists, document servers (process servers) and field agents covering every district and region of New Zealand.

The Neill Group are committed to:

  • Providing ethical and professional specialised services in New Zealand
  • Deploying astute, skilled and experienced nationwide associates of the highest caliber
  • Ensuring client confidentiality is respected and maintained at all times
  • Managing a continual review of standard operating procedures and processes
  • Complying with all relevant legislation, including the Private Security Personnel and Private Investigators Act

Our professional nationwide services include, but not limited to:

Private Investigations 

Searching for a Wellington or New Zealand Private Investigator?

We suggest clients only instruct licensed private investigators who are members of the New Zealand Institute of Professional Investigators or the World Association of Detectives.

As a government licensed private investigator, Dion Neill and his nationwide network of associates provides an extensive range of private investigation services from Kaitaia to Bluff.

Dion has achieved a number of recognised qualifications in the field of security, personal protection, investigations and risk management along with significant operational experience providing surveillance, undercover operations and the investigation of workplace theft and complex fraud related matters.

Nationwide Process Serving (Legal Document Serving)

The Neill Group serves New Zealand and international legal documents (legal process), including: district court, family court and high court legal proceedings along with dissolution of marriage (divorce documents), court summonses, demand notices, trespass notices, subpoenas and other time-critical documents that require personal service by a process server.

Our high-caliber process servers in the Wellington region and across New Zealand serve legal proceedings and documents on behalf of government departments, law enforcement agencies, legal firms, debt collection company’s and private individuals.

The Neill Group are widely recognised as New Zealand’s leading process serving and para-legal support agency with over three decades of experience serving documents in the greater Wellington region and throughout New Zealand.

The widespread nature of our document servers and legal process servers allows us to have a detailed knowledge of local geography and the individuals who are the subject to legal proceedings, this important insight provides a beneficial edge in carrying out your instructions with a high degree of efficiency using years of gathered intelligence.

Security Risk Management 

Dion Neill operates Protective Services, New Zealand’s leading high-level private security, close personal protection and risk management agency. Dion is supported by a network of internationally experienced security specialists sourced exclusively from the police, military and intelligence community.

Dion’s people are also deployed to provide specialised security at public events, movie premiers, corporate meetings, weddings and private functions. Protective Services launched a personal protection service in the late 1990’s after Dion personally provided security to celebrity chef, Jamie Oliver and Bardot from the Australian television series, ‘Pop Stars’.

The team at Protective Services provides security, close personal protection and risk management to international celebrities, court witnesses, sports personalities, entertainers, film talent, corporate executives and high-net worth clients throughout New Zealand and worldwide.

Dion and his nationwide associates provide clients with a range of security and risk management solutions for your event or private function. Protective Services assists clients with developing and implementing comprehensive risk management strategies to mitigate the risk to people, assets and information. For more information, please visit:

Field Services 

The Neill Group provides a range of professional nationwide field services, including, but not limited to: asset recoveries (repossessions), commercial evictions, debtor interviews, field visits, address confirmations, background checks, floor plan audits and the verification of financial data for a number of New Zealand’s leading financial institutions.

A visit by a professional field agent has proven to be an effective way to re-engage with debtors to ensure compliance of contractual and legal obligations. Our nationwide field agents communicate effectively with people in our community who respond best to a personal visit, including habitual debtors, multi-cultural clients and people with disabilities, addiction or mental health issues.

Dion Neill and his nationwide associates have years of experience managing sensitive issues that require a high level of care because of potential damage to a clients brand or reputation. In some cases, clients or debtors are unable to be contacted by telephone or by post, the best solution is a visit to their last known address or a discreet visit to their workplace.

Field visits are a powerful tool when assessing an individuals personal or financial circumstances that are subject of potential debt recovery or to enable clients to make informed decisions based on accurate information provided by a field agent or a government licensed private investigator.


Dion Neill commenced his career in the New Zealand security and investigation industry in 1987. Dion was one of the original directors of Wellington Investigations Limited and spent many years as a contractor to a number of private investigation and security companies, prior to establishing his nationwide trading entities, The Neill Group and Protective Services.

In the 1980’s, Dion was a member of a team employed to investigate a major organised theft syndicate operating within a national business over many years. As a result of Dion’s evidence, several offenders were convicted in the High Court of New Zealand (Dion survived cross examination by the late Mike Bungay QC).

Dion was one of the first licensed private investigators in New Zealand to carry out investigation assignments for the Accident Compensation Corporation (ACC), New Zealand’s government operated accident and injury insurance agency.

Dion featured in the popular television series, ‘Private Investigators’ and interviewed on the TVNZ breakfast show regarding protecting high-profile people in New Zealand.

Government Licensing

The Neill Group and Protective Services are the trading names of Dion Neill. Dion is government licensed as a private investigator, security consultant, repossession agent, personal guard, property guard, crowd controller and confidential document destruction agent.

The Neill Group only engages contractors (agents and associates) for private investigation, security and repossession assignments who hold a current licence issued by the Private Security Personnel Licensing Authority to ensure compliance with the Private Security Personnel and Private Investigators Act 2010.

Professional Memberships

Dion Neill is a member of:

  • World Association of Detectives
  • The Security Institute of New Zealand
  • New Zealand Institute of Professional Investigators (Foundation Member)

Dion Neill has formed strategic alliances and collaborative partnerships with the best licensed private investigators and security specialists operating in New Zealand and worldwide. 

A number of our New Zealand associates and international alliance partners are former members of the law enforcement, defence forces and intelligence community, including highly experienced detectives and military specialists.

As a member of these respected professional associations, Dion receives immediate advice and assistance to support international process serving, investigation and security related assignments.

International Alliances 

Dion Neill is the New Zealand agent for Clearwater Projects (UK) and the Anvil Group (USA).


Our agents must sign a confidentiality agreement prior to deployment on any operational assignment. Trust is an important element of our client relationships, our agents understand the seriousness of breaching this agreement. Our nationwide agents and international associates have experience working within confidential environments and respect the privacy of our clients.

Service Areas 

The Neill Group are based in Wellington with a strategic nationwide network of contracted licensed private investigators, security specialists, field agents, repossession agents and legal process servers (document servers) 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, Palmerston 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.