| # | Company | Employees |
|---|---|---|
| 1 |
Ministry of Social Development (MSD)msd.govt.nz
An organization in New Zealand providing support and services to over one million citizens, working collaboratively with various groups to make a positive impact on lives |
7,257 |
| 2 |
Ministry of Justice - New Zealandjustice.govt.nz
The company provides justice services, court support, legal assistance, policy development, criminal history checks, and management of legislation in New Zealand |
4,270 |
| 3 |
Ministry of Business, Innovation and Employmentmbie.govt.nz
Government agency providing policy, advice, regulation, and services to support diverse business sectors and economic growth in New Zealand. |
3,901 |
| 4 |
Department of Conservation (DOC)doc.govt.nz
A government agency in New Zealand focused on conserving the country's natural and historic heritage through various conservation efforts nationwide |
3,845 |
| 5 |
NZ Transport Agency Waka Kotahinzta.govt.nz
Management and innovation of New Zealand's national land transport system ensuring safety, efficiency, sustainability, and connectivity for people and businesses. |
2,863 |
| 6 |
ACC New Zealandacc.co.nz
Innovative New Zealand organization focused on preventing accidents, providing care, and supporting recovery for the people of New Zealand |
2,842 |
| 7 |
Ministry for Primary Industries (MPI)mpi.govt.nz
Specializing in export maximization, sector productivity improvement, food safety, and biosecurity protection for New Zealand's primary industries through analysis, policy advice, and regulation |
2,663 |
| 8 |
Oranga Tamariki—Ministry for Childrenorangatamariki.govt.nz
Dedicated to protecting children in New Zealand at risk of harm, providing support for youth offenders, and promoting their well-being through various services |
2,144 |
| 9 |
Kāinga Ora - Homes and Communitieskaingaora.govt.nz
Kāinga Ora – Homes and Communities focuses on providing affordable housing, addressing homelessness, and partnering for quality urban development projects in New Zealand |
1,657 |
| 10 |
Wellington City Councilcareers.wellington.govt.nz
Local government managing urban development, cultural promotion, economic growth, infrastructure, and quality of life improvements for city residents. |
1,463 |
| 11 |
Ministry of Health New Zealandhealth.govt.nz
Government advisor on health and disability policy, funding and regulating services, supporting community health outcomes across New Zealand. |
1,138 |
| 12 |
Ministry for the Environment | Manatū mō te Taiaoenvironment.govt.nz
Stewardship ministry working towards making New Zealand the most liveable place by ensuring a sustainable environment for future generations |
827 |
| 13 |
Toitū Te Whenua Land Information New Zealandlinz.govt.nz
Specialists in geographic information in New Zealand, providing data and expertise to support vital decisions for the economy and communities |
737 |
| 14 |
Greater Wellingtongw.govt.nz
Regional council managing environment, flood protection, land, parks, public transport, water supply, policy development, and climate change planning. |
709 |
| 15 |
The Treasury - New Zealandtreasury.govt.nz
Lead economic and financial advisor to the Government of New Zealand, focused on managing factors to lift living standards for all New Zealanders |
563 |
| 16 |
WorkSafe New Zealandworksafe.govt.nz
Workplace health and safety regulator in New Zealand promoting healthy and safe workplaces through engagement, education, and enforcement Vision for all workers to return home safely |
550 |
| 17 |
Commerce Commissioncomcom.govt.nz
The company is a regulatory agency in New Zealand ensuring fair markets, consumer protection, and enforcing competition, fair trading, and consumer credit laws |
448 |
| 18 |
New Zealand Customs Servicecustoms.govt.nz
Government agency ensuring border security, preventing illegal imports/exports, promoting trade, collecting revenues, investigating/prosecuting illegal activity, and facilitating lawful movement of goods/travelers |
447 |
| 19 |
Te Tūāpapa Kura Kāinga – Ministry of Housing and Urban Development NZhud.govt.nz
This company focuses on creating thriving communities by increasing housing supply, addressing homelessness, and promoting affordable, quality urban development |
402 |
| 20 |
Te Puni Kōkiritpk.govt.nz
Leading Māori public policy by advising the government, monitoring policy and legislation, and promoting intergenerational social, cultural, and economic wellbeing through whānau development |
398 |
| 21 |
Aviation Security Serviceaviation.govt.nz
Operational unit within government agency managing civil aviation system, providing aviation security services, screening passengers, and collaborating with security agencies |
372 |
| 22 |
PHARMACpharmac.govt.nz
Government agency in New Zealand responsible for deciding which pharmaceuticals to publicly fund, focusing on securing best health outcomes within allocated funding |
322 |
| 23 |
National Emergency Management Agency (NZ)civildefence.govt.nz
National Emergency Management Agency provides leadership in creating an integrated emergency management system to reduce the impact of emergencies on communities and infrastructure |
317 |
| 24 |
New Zealand Governmentgovt.nz
Central government of New Zealand, exercising political authority through the executive branch and collective ministry, based on principles of responsible government |
262 |
| 25 |
NZ Government House Gates Wellingtongg.govt.nz
This institution in New Zealand upholds the tradition of royal patronage, without continuing practices of granting Royal Warrants and Charters |
161 |
| 26 |
Department of the Prime Minister and Cabinet, New Zealanddpmc.govt.nz
The company focuses on advancing and governing New Zealand with well-informed decision-making, effective government conduct, and coordination of national security priorities and state sector performance |
159 |
| 27 |
EECA (Energy Efficiency and Conservation Authority)eeca.govt.nz
This government agency in New Zealand focuses on improving energy efficiency, promoting renewable energy, and reducing carbon emissions in homes, businesses, and transportation |
152 |
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.