Company lists · Data refreshed September 2026
Top 25 Ecological consulting firms based in New Zealand
There are 126 ecological consulting firms headquartered in New Zealand (RevenueBase, September 2026). RevenueBase tracks 1,697 professional contacts across them, including 1,005 with verified work emails and 150 with mobile numbers. Auckland is the largest hub.
This list covers ecological consulting firms headquartered in New Zealand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 1, 2026.
The 25 largest ecological consulting firms based in New Zealand
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 | “PDP is one of Aotearoa New Zealand’s leading environmental science, engineering, and advisory consultancies.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 231 |
| 2 | “EHS Support is a global family of engineers, geologists, scientists, and technical experts who specialize in complex environmental, health, and safety (EH & S) challenges across…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 188 |
| 3 | “Babbage is a 100% New Zealand-owned multi-discipline consultancy offering 'one-stop-shop' solutions and specialist expertise in Architecture and Interior Design, Ecology…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 161 |
| 4 | “MBC is an environmental solutions company based in the South Island of New Zealand.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 1 |
| 5 | Wildland Consultants LTDPartial evidence “Wildland Consultants is a progressive ecological consultancy committed to providing high quality ecological information, advice and technical services to a wide range of clients.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 34 |
| 6 | “Mitchell Daysh is a specialist environmental and planning consultancy with the right people to navigate New Zealand's most complex resource management challenges to our government…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 37 |
| 7 | “Indufor is a global leader in natural resource management, investment advisory, and strategic industrial development consulting.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 13 |
| 8 | “Awa Environmental is shaping stormwater to reduce flood risk, protect critical assets and infrastructure, and build resilient communities and thriving ecosystems.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 30 |
| 9 | Verum GroupPartial evidence “Verum Group is an environmental research and consulting company, with specialist knowledge in Environmental and Occupational Hygiene monitoring, energy technologies and…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 17 |
| 10 | SQNPartial evidence “SQN Consulting is a leading environmental consultancy in New Zealand, providing a wide range of services in asbestos management, contaminated land, industrial trade activities…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 13 |
| 11 | “Using Science to Keep People Safe & Healthy Chemsafety experienced consultants become part of your company team, working to provide effective and efficient solutions for your…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 14 |
| 12 | “Bioresearches Group Limited is a management consulting company based out of Level 4/68 Beach Road, Auckland CBD, Auckland, New Zealand.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 13 |
| 13 | “Margules Groome are independent consultants specialising in the forestry, wood products, bio solutions, pulp & paper, and agricultural tree crop sectors.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 12 |
| 14 | Williamson Water & Land AdvisoryIndirect evidence “Williamson Water & Land Advisory (WWLA) is a New Zealand based, employee owned, niche environmental consultancy.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 10 |
| 15 | “e3Scientific is a New Zealand owned and operated environmental science consultancy.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 11 |
| 16 | “Irricon Resource Solutions is a leading environmental consultancy based throughout Canterbury, Otago and the North Island.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 11 |
| 17 | “Market Economics Ltd is an independent New Zealand-based consultancy that specialises in market and economic analysis and environmental and ecological research.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 6 |
| 18 | “Our team of planning, kaupapa taiao, and ecology specialists can help you design and carry out exceptional policy reviews and environmental projects.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 3 |
| 19 | “Arborlab is New Zealand’s leading Green Space asset management specialists since our establishment in 2002.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 10 |
| 20 | “Providing ecological services throughout New Zealand including- Ecological Impact Assessments (EIA)- Assessments of Ecological Effects (AEE)- Ecological surveys, monitoring and…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 8 |
| 21 | “EOS Ecology is a New Zealand-owned science systems consultancy.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 12 |
| 22 | The Catalyst Group Planning And EnvironmentIndirect evidence “RESOURCE MANAGEMENT | CONSERVATION SCIENCE | KAUPAPA TAIAO: as your catalysts for change, we help you navigate conflicting interests and regulatory hurdles using our deep…” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 6 |
| 23 | “Success in your RMA project is our sole focus.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 9 |
| 24 | “We see a future where businesses and people can manage and harness the land and resources to create thriving communities where people live, work and play.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 8 |
| 25 | “Enviroscope Limited is a specialist environmental management consultancy providing expert advice and support for the construction and development industry.” Source: company website · checked Sep 1, 2026Thanks. The Data Team will review it. | 6 |
Showing 25 of 126 ecological consulting firms based in New Zealand
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Ecological consulting firms based in New Zealand at a glance
As of Sep 1, 2026Companies by employee count
Ecological consulting firms by metro
| Metro | Companies |
|---|---|
| Ecological consulting firms in Auckland | 33 |
| Ecological consulting firms in Christchurch | 15 |
| Ecological consulting firms in Hamilton | 12 |
| Ecological consulting firms in Tauranga | 6 |
| Ecological consulting firms in Invercargill | 5 |
| Ecological consulting firms in Wellington | 5 |
| Ecological consulting firms in Nelson | 4 |
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among ecological consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- What qualifies
- Companies headquartered in New Zealand whose own description of what they do matches “ecological consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among ecological consulting firms, and records with no verified work email. Companies headquartered outside New Zealand are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,005 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 1, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many ecological consulting firms are there based in New Zealand?
There are 126 ecological consulting firms headquartered in New Zealand as of September 2026 (RevenueBase).
What is the largest company on this list?
Pattle Delamore Partners, headquartered in Invercargill, tops this list with the largest team on record.
Which city has the most ecological consulting firms?
Auckland leads with 33 headquartered companies, followed by Christchurch (15) and Hamilton (12).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,005 verified decision-maker contacts tracked across these 126 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 1, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.
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