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28 leading environmental services companies in New Zealand

Tamtam tracks 28 environmental services companies headquartered in New Zealand. This list ranks all of them by number of employees on LinkedIn, led by Auckland Council, Department of Conservation (DOC) and Watercare Services Limited. Their median headcount is 502. The most common headquarters are Auckland (5), Christchurch (2) and Wellington (2).

馃嚦馃嚳 New Zealand28 companiesUpdated Nov 15, 2026

These environmental services companies in New Zealand largely consist of governmental and quasi-governmental organizations responsible for public services and resource management. They range from large councils like Auckland Council, which handles waste and public services, to specialized entities such as Watercare Services Limited, focusing on water and wastewater infrastructure for Auckland. Tonkin + Taylor provides environmental and engineering consultancy, while WM New Zealand offers resource recovery and waste management.

A clear pattern is the dominance of local and regional government bodies. Most of the largest entities are city or regional councils, including Tauranga City Council and Hamilton City Council, indicating that environmental management and services are primarily delivered through public sector organizations across New Zealand.

#CompanyIndustryHeadquarters EmployeesFounded
1
Auckland Councilaucklandcouncil.govt.nz

Providing governance, policies, and essential public services including waste management, consents, bylaws, events, and parks for Auckland region.

Government Administration 馃嚦馃嚳 Auckland 7,110 2010
2
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

Government Administration 馃嚦馃嚳 Wellington 3,845 1987
3
Watercare Services Limitedwatercare.co.nz

Provides lifeline services, drinking water, wastewater treatment, and infrastructure planning for Aucklanders, protecting the environment, without chemicals, safely returning it.

Utilities 馃嚦馃嚳 Auckland 1,205 n/a
4
Tauranga City Counciltauranga.govt.nz

A leading organization in Tauranga, New Zealand, providing infrastructure, services, and investment to enhance the city's livability and attract diverse talent

Government Administration 馃嚦馃嚳 Tauranga 971 n/a
5
Hamilton City Councilhamilton.govt.nz

Local government focusing on community wellbeing, sustainable growth, environmental care, and fostering a welcoming, innovative, and vibrant city lifestyle.

Civic and Social Organizations 馃嚦馃嚳 Hamilton 940 n/a
6
Tonkin + Taylortonkintaylor.com

Leading employee-owned environmental and engineering consultancy providing specialist services in geotechnical, civil, water resources, environmental science, and resource management since 1959

Environmental Services 馃嚦馃嚳 Auckland Central 936 1959
7
WM New Zealandwm.nz

Leading environmental services provider in New Zealand, offering resource recovery, waste management, recycling, and sustainable solutions for a diverse range of clients

Environmental Services 馃嚦馃嚳 Tamaki 916 n/a
8
Environment Canterburyecan.govt.nz

Manage natural resources, support community hazard preparedness, and provide public transport services to promote sustainable, resilient, and connected region.

Government Administration 馃嚦馃嚳 Christchurch 813 1989
9
Dunedin City Councildunedin.govt.nz

Local government authority providing services and facilities in the Dunedin area, from parks and libraries to waste collection and community funding

Civic and Social Organizations 馃嚦馃嚳 Dunedin 723 n/a
10
Greater Wellingtongw.govt.nz

Regional council managing environment, flood protection, land, parks, public transport, water supply, policy development, and climate change planning.

Government Administration 馃嚦馃嚳 Wellington 709 n/a
11
Palmerston North City Councilpncc.govt.nz

Urban development and infrastructure management in the vibrant and diverse city of Palmerston North, New Zealand, focusing on community well-being and sustainability

Government Administration 馃嚦馃嚳 Palmerston North 554 n/a
12
Citycare Groupcitycare.co.nz

Provider of maintenance and construction services in New Zealand, offering integrated solutions for key infrastructure assets with a focus on community well-being

Construction 馃嚦馃嚳 Christchurch 526 1999
13
New Plymouth District Councilnpdc.govt.nz

The company focuses on making New Plymouth District a Sustainable Lifestyle Capital, emphasizing natural beauty, thriving communities, and being the Most Liveable City

Government Administration 馃嚦馃嚳 New Plymouth 518 n/a
14
Hutt City Councilhuttcity.govt.nz

Building a thriving, connected, and inclusive city focused on innovation, community partnerships, and sustainability, while embracing diversity and empowering residents

Government Relations Services 馃嚦馃嚳 Lower Hutt 502 n/a

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15
Whangarei District Councilwdc.govt.nz

Creating a vibrant community in Whangarei through a wide range of public services and facilities focused on enhancing quality of life for residents

Government Administration 馃嚦馃嚳 Whangarei 471 n/a
16
Queenstown Lakes District Councilqldc.govt.nz

Local government supporting vibrant communities, enduring landscapes, and bold leadership in Queenstown Lakes District through policies, infrastructure, environmental health, and community engagement

Government Administration 馃嚦馃嚳 Queenstown 437 n/a
17
Enviro NZenvironz.co.nz

Specializes in waste management and resource recovery, partnering with government, communities, and businesses to deliver sustainable environmental solutions.

Environmental Services 馃嚦馃嚳 Auckland 429 n/a
18
Wellington Waterwellingtonwater.co.nz

Managing water infrastructure assets for multiple councils in the Wellington region, focusing on water conservation, efficiency, and providing top-notch service Interested in making a difference? Join us!

Utilities 馃嚦馃嚳 Lower Hutt 416 2004
19
Toi Moana Bay of Plenty Regional Councilboprc.govt.nz

Monitoring environmental impacts, managing natural resources, flood control, transport planning, passenger services, navigation safety, supporting sustainable economic development.

Government Administration 馃嚦馃嚳 Whakatane 390 1989
20
Napier City Councilnapier.govt.nz

Napier focuses on investing in infrastructure and development to create a vibrant, cosmopolitan city, offering unique architecture, amenities, and economic opportunities

Government Administration 馃嚦馃嚳 Napier 373 n/a
21
K膩piti Coast District Councilkapiticoast.govt.nz

The K膩piti Coast District Council leads and represents the community, enabling decision-making to promote social, economic, environmental, and cultural wellbeing They facilitate solutions, advocate, develop resources, manage infrastructure, and plan for future needs

Government Administration 馃嚦馃嚳 Paraparaumu 347 n/a
22
Otago Regional Councilorc.govt.nz

Promoting sustainable development and resource management in Otago to preserve unique resources for future generations

Government Administration 馃嚦馃嚳 Dunedin 328 n/a
23
Waimakariri District Councilwaimakariri.govt.nz

The company provides essential services and maintains a peaceful community in Waimakariri District through infrastructure maintenance and community support initiatives

Government Administration 馃嚦馃嚳 Rangiora 327 1989
24
InterGroupintergroup.co.nz

Specialized services provider with over 40 years of experience, offering project/contract management to government, industrial, offshore, and construction clients nationwide

Construction 馃嚦馃嚳 Auckland 295 1976
25
HW Richardson Grouphwr.co.nz

New Zealand's largest privately owned business covering transport, petroleum, concrete, contracting, environmental, and quarrying sectors, keeping the country's infrastructure moving

Truck Transportation 馃嚦馃嚳 Invercargill 240 1916
26
Southland District Councilsouthlanddc.govt.nz

The company manages a large area in Southland, New Zealand, providing essential services like water, waste management, parks, and regulatory services

Government Administration 馃嚦馃嚳 Invercargill 186 1989
27
Treescape New Zealandtreescape.co.nz

Green Asset Management specialists with a focus on large scale landscape planting projects, tree pruning, trimming, and cutting services

Environmental Services 馃嚦馃嚳 Auckland 185 1981
28
Eurofins-ELSeurofins.co.nz

A leading laboratory in New Zealand, offering analytical testing services in environmental, food, pharmaceutical products, agroscience, genomics, and central laboratory services

Environmental Services 馃嚦馃嚳 38 1994

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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 Nov 15, 2026.

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