Company lists · Data refreshed November 2026
Top 25 Subsurface investigation services based in New Zealand
RevenueBase identified 56 company matches for subsurface investigation services associated with New Zealand as of November 2026 and tracks 636 professional contacts across them, including 352 with verified work emails. Auckland is the largest hub.
This list covers company matches for subsurface investigation services associated with New Zealand, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest subsurface investigation services based in New Zealand
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 124 contacts → | ||||
Exact match “ENGEO Ltd (formally Geoscience Consulting) is a specialist consultancy group providing Engineering Geological, Geophysical, Environmental and Geotechnical Engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 42 contacts → | ||||
Exact match “At GeoSolve we understand the importance of managing geological risk, and our specialist knowledge and proven track record means we can provide practical resilient solutions…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 41 contacts → | ||||
Exact match “March Construction brings together the geotechnical and water infrastructure expertise, which when combined with the micro-tunnelling expertise of our sister company Rob Carr…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 38 contacts → | ||||
Exact match “Cook Costello is a New Zealand multidisciplinary engineering consultancy working across geotechnical, civil and structural engineering, geophysics, land surveying, land…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 32 contacts → | ||||
Exact match “With a rich legacy spanning over three decades, Soil & Rock Consultants stand at the forefront of the geotechnical, environmental, civil, and geological engineering landscape in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “Engineering Geology Ltd (EGL) is a professional consultancy practice specialising in geotechnical and earthquake engineering and engineering geology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 29 contacts → | ||||
Exact match “Webster Drilling & Exploration Limited and its wholly owned subsidary Webster Energy Services Limited are drilling contractors based out of Porirua, Wellington, New Zealand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 26 contacts → | ||||
Exact match “Rock Control are ground engineering specialists with a firm focus on construction drilling.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 26 contacts → | ||||
Exact match “Geotechnical Engineering, and Engineering Geology, including Site Investigations, Earthworks Supervision and Control, Expansive Soils, Dynamic Probing, Foundation & Retaining Wall…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Geotechnical Engineers of Choice!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “McMillan Drilling is a leading multi-disciplinary drilling company operating throughout New Zealand and the Pacific.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “Torlesse Ltd is a professional services firm specialising in geotechnical and civil engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “GEOCIVIL has been in the business of testing for over 30 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “LandTech Consulting is a specialist geotechnical service provider comprising a team of qualified Geotechnical Engineers and Engineering Geologists, with experience in geotechnical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Civil Services HB Ltd specialises in civil and geotechnical engineering design, surveying (topographical, construction setout), quality assurance compaction testing and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Welcome to Earthtech Consulting Limited.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “Southern Geophysical Ltd is a leading provider of geophysical solutions for the environmental, engineering and exploration communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “We are a multi-disciplinary team providing holistic, leading edge environmental, civil and geotechnical solutions to improve the interaction of enterprise with soils, air, water…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “We are a consulting engineering firm that offers a comprehensive range of geotechnical, civil & structural engineering services throughout Auckland and Northland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “We offer specialist geotechnical testing including but not limited to: Core Penetration Testing HQ, PQ Coring Push tubes SPT Testing Wash Drilling Geothermal Test Pits Packer…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Since 1990 Interdrill has been providing outstanding drilling services to clients in Wellington, Wanganui and the Taranaki.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “Landform Projects Ltd is locally owned, with a team bringing over 50 years of combined experience in site investigation, geotechnical testing, and land design projects across…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Geo Data Solutions (GDS) is a data acquisition and testing company lead by an experienced and knowledgeable team.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Barham United Welldrillers (2021) Ltd is a New Zealand–owned drilling contractor providing geothermal, exploration, and water well drilling services across the North Island.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “subsurface investigation services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 56 subsurface investigation services based in New Zealand
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Subsurface investigation services based in New Zealand at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 56 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with New Zealand whose business descriptions match “subsurface investigation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 352 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “subsurface investigation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsurface investigation services are there based in New Zealand?
RevenueBase identified 56 company matches for subsurface investigation services associated with New Zealand as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Engeo NZ & AU tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsurface investigation services?
Auckland leads with 12 company records, followed by Christchurch (10) and Wellington (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 352 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 56 subsurface investigation services based in New Zealand. Start with a free account, no credit card.
Download this list →Related lists
Subsurface investigation services by geography
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- Subsurface investigation services based in Sao Paulo, Brazil
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- Subsurface investigation services based in Australia
- Subsurface investigation services based in Belgium
- Subsurface investigation services based in Brazil
- Subsurface investigation services based in Canada
- Subsurface investigation services based in Chile
- Subsurface investigation services based in Colombia
- Subsurface investigation services based in France
- Subsurface investigation services based in Germany
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsurface investigation services based in Belo Horizonte, Brazil
- Subsurface investigation services based in Sao Paulo, Brazil
- Subsurface investigation services based in Houston, United States
- Subsurface investigation services based in Argentina
- Subsurface investigation services based in Australia
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Company intelligence · public preview
Top 25 subsurface investigation services based in New Zealand
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 56 matching company records for subsurface investigation services based in New Zealand, with 636 tracked contacts and 352 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 subsurface investigation services based in New Zealand
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Engeo NZ & AUengeo.co.nzHQ: Christchurch, New ZealandReported employees: 51-200 | Christchurch, New Zealand | 51-200 | Exact match | 124 contacts → |
“ENGEO Ltd (formally Geoscience Consulting) is a specialist consultancy group providing Engineering Geological, Geophysical, Environmental and Geotechnical Engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Geosolve LTDgeosolve.co.nzHQ: South Dunedin, New ZealandReported employees: 11-50 | South Dunedin, New Zealand | 11-50 | Exact match | 42 contacts → |
“At GeoSolve we understand the importance of managing geological risk, and our specialist knowledge and proven track record means we can provide practical resilient solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  March Construction LTDmarchconstruction.co.nzHQ: Christchurch, New ZealandReported employees: 51-200 | Christchurch, New Zealand | 51-200 | Exact match | 41 contacts → |
“March Construction brings together the geotechnical and water infrastructure expertise, which when combined with the micro-tunnelling expertise of our sister company Rob Carr…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cook Costellococo.co.nzHQ: Whangarei, New ZealandReported employees: 11-50 | Whangarei, New Zealand | 11-50 | Exact match | 38 contacts → |
“Cook Costello is a New Zealand multidisciplinary engineering consultancy working across geotechnical, civil and structural engineering, geophysics, land surveying, land…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Soil & Rock Consultantssoilandrock.co.nzHQ: Henderson, New ZealandReported employees: 51-200 | Henderson, New Zealand | 51-200 | Exact match | 32 contacts → |
“With a rich legacy spanning over three decades, Soil & Rock Consultants stand at the forefront of the geotechnical, environmental, civil, and geological engineering landscape in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  EGL Engineering Geology Limitedegl.co.nzHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 31 contacts → |
“Engineering Geology Ltd (EGL) is a professional consultancy practice specialising in geotechnical and earthquake engineering and engineering geology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Webster Drilling And Exploration Limitedwebsterdrilling.comHQ: Porirua, New ZealandReported employees: 11-50 | Porirua, New Zealand | 11-50 | Exact match | 29 contacts → |
“Webster Drilling & Exploration Limited and its wholly owned subsidary Webster Energy Services Limited are drilling contractors based out of Porirua, Wellington, New Zealand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rock Controlrockcontrol.co.nzHQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 26 contacts → |
“Rock Control are ground engineering specialists with a firm focus on construction drilling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wilton Joubert - Geotechgeotek.co.nzHQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 26 contacts → |
“Geotechnical Engineering, and Engineering Geology, including Site Investigations, Earthworks Supervision and Control, Expansive Soils, Dynamic Probing, Foundation & Retaining Wall…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  KGA Geotechnical Group Limitedkga.co.nzHQ: Auckland & Christchurch, New ZealandReported employees: 11-50 | Auckland & Christchurch, New Zealand | 11-50 | Exact match | 18 contacts → |
“Geotechnical Engineers of Choice!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mcmillan Drillingdrilling.co.nzHQ: Auckland & Christchurch, New ZealandReported employees: 51-200 | Auckland & Christchurch, New Zealand | 51-200 | Exact match | 18 contacts → |
“McMillan Drilling is a leading multi-disciplinary drilling company operating throughout New Zealand and the Pacific.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Torlesse LTDtorlesseconsulting.co.nzHQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 15 contacts → |
“Torlesse Ltd is a professional services firm specialising in geotechnical and civil engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Geocivilgeocivil.co.nzHQ: Whangarei, New ZealandReported employees: 11-50 | Whangarei, New Zealand | 11-50 | Exact match | 15 contacts → |
“GEOCIVIL has been in the business of testing for over 30 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Landtech Consultinglandtech.nzHQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 14 contacts → |
“LandTech Consulting is a specialist geotechnical service provider comprising a team of qualified Geotechnical Engineers and Engineering Geologists, with experience in geotechnical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Civil Servicescivilservices.co.nzHQ: Onekawa, New ZealandReported employees: 11-50 | Onekawa, New Zealand | 11-50 | Exact match | 11 contacts → |
“Civil Services HB Ltd specialises in civil and geotechnical engineering design, surveying (topographical, construction setout), quality assurance compaction testing and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Perry Geotechperrygeotech.co.nz HQ: Tauranga, New ZealandReported employees: 11-50 | Tauranga, New Zealand | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Earthtech Consulting Limitedearthtech.co.nzHQ: Pukekohe, New ZealandReported employees: 1-10 | Pukekohe, New Zealand | 1-10 | Exact match | 10 contacts → |
“Welcome to Earthtech Consulting Limited.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Southern Geophysicalsoutherngeophysical.comHQ: Bromley, New ZealandReported employees: 11-50 | Bromley, New Zealand | 11-50 | Exact match | 8 contacts → |
“Southern Geophysical Ltd is a leading provider of geophysical solutions for the environmental, engineering and exploration communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  RDA Consultingrda.co.nzHQ: Invercargill, New ZealandReported employees: 11-50 | Invercargill, New Zealand | 11-50 | Exact match | 8 contacts → |
“We are a multi-disciplinary team providing holistic, leading edge environmental, civil and geotechnical solutions to improve the interaction of enterprise with soils, air, water…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Deane Consultancy LTDdeanecl.nzHQ: Auckland & Northland, New ZealandReported employees: 11-50 | Auckland & Northland, New Zealand | 11-50 | Exact match | 8 contacts → |
“We are a consulting engineering firm that offers a comprehensive range of geotechnical, civil & structural engineering services throughout Auckland and Northland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Drillcore LTDdrillcore.co.nzHQ: Hamurana, New ZealandReported employees: 1-10 | Hamurana, New Zealand | 1-10 | Exact match | 8 contacts → |
“We offer specialist geotechnical testing including but not limited to: Core Penetration Testing HQ, PQ Coring Push tubes SPT Testing Wash Drilling Geothermal Test Pits Packer…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Interdrill LTDinterdrill.co.nzHQ: Stratford, New ZealandReported employees: 11-50 | Stratford, New Zealand | 11-50 | Exact match | 7 contacts → |
“Since 1990 Interdrill has been providing outstanding drilling services to clients in Wellington, Wanganui and the Taranaki.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Landform Projects LTDlandformprojects.comHQ: Lincoln, New ZealandReported employees: 1-10 | Lincoln, New Zealand | 1-10 | Exact match | 6 contacts → |
“Landform Projects Ltd is locally owned, with a team bringing over 50 years of combined experience in site investigation, geotechnical testing, and land design projects across…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  GEO Data Solutions GDSgdsnz.co.nzHQ: North Island Wide, New ZealandReported employees: 1-10 | North Island Wide, New Zealand | 1-10 | Exact match | 5 contacts → |
“Geo Data Solutions (GDS) is a data acquisition and testing company lead by an experienced and knowledgeable team.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Barham United Welldrillers 2021 LTDbuwelldrillers.co.nzHQ: Hamilton, New ZealandReported employees: 11-50 | Hamilton, New Zealand | 11-50 | Exact match | 4 contacts → |
“Barham United Welldrillers (2021) Ltd is a New Zealand–owned drilling contractor providing geothermal, exploration, and water well drilling services across the North Island.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 56 company matches
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Subsurface investigation services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
56 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 56 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for subsurface investigation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsurface investigation services did RevenueBase find based in New Zealand?
The saved snapshot records 56 matching company records, 636 tracked contacts and 352 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Subsurface investigation services by geography
- Subsurface investigation services based in Belo Horizonte, Brazil
- Subsurface investigation services based in Sao Paulo, Brazil
- Subsurface investigation services based in Houston, United States
- Subsurface investigation services based in Argentina
- Subsurface investigation services based in Australia
- Subsurface investigation services based in Belgium
- Subsurface investigation services based in Brazil
- Subsurface investigation services based in Canada
- Subsurface investigation services based in Chile
- Subsurface investigation services based in Colombia
- Subsurface investigation services based in France
- Subsurface investigation services based in Germany
Cite this list
RevenueBase Data Team. Top 25 subsurface investigation services based in New Zealand. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsurface-investigation-services/new-zealand.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsurface investigation services based in Belo Horizonte, Brazil
- Subsurface investigation services based in Sao Paulo, Brazil
- Subsurface investigation services based in Houston, United States
- Subsurface investigation services based in Argentina
- Subsurface investigation services based in Australia
- Subsurface investigation services based in Belgium
Company intelligence · public preview
Top 25 subsurface investigation services based in New Zealand
RevenueBase records 56 matching company records for subsurface investigation services based in New Zealand, with 636 tracked contacts and 352 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 subsurface investigation services based in New Zealand
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Engeo NZ & AUengeo.co.nz HQ: Christchurch, New ZealandReported employees: 51-200 | Christchurch, New Zealand | 51-200 | Exact match | 124 contacts → |
“ENGEO Ltd (formally Geoscience Consulting) is a specialist consultancy group providing Engineering Geological, Geophysical, Environmental and Geotechnical Engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Geosolve LTDgeosolve.co.nz HQ: South Dunedin, New ZealandReported employees: 11-50 | South Dunedin, New Zealand | 11-50 | Exact match | 42 contacts → |
“At GeoSolve we understand the importance of managing geological risk, and our specialist knowledge and proven track record means we can provide practical resilient solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | March Construction LTDmarchconstruction.co.nz HQ: Christchurch, New ZealandReported employees: 51-200 | Christchurch, New Zealand | 51-200 | Exact match | 41 contacts → |
“March Construction brings together the geotechnical and water infrastructure expertise, which when combined with the micro-tunnelling expertise of our sister company Rob Carr…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cook Costellococo.co.nz HQ: Whangarei, New ZealandReported employees: 11-50 | Whangarei, New Zealand | 11-50 | Exact match | 38 contacts → |
“Cook Costello is a New Zealand multidisciplinary engineering consultancy working across geotechnical, civil and structural engineering, geophysics, land surveying, land…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Soil & Rock Consultantssoilandrock.co.nz HQ: Henderson, New ZealandReported employees: 51-200 | Henderson, New Zealand | 51-200 | Exact match | 32 contacts → |
“With a rich legacy spanning over three decades, Soil & Rock Consultants stand at the forefront of the geotechnical, environmental, civil, and geological engineering landscape in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | EGL Engineering Geology Limitedegl.co.nz HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 31 contacts → |
“Engineering Geology Ltd (EGL) is a professional consultancy practice specialising in geotechnical and earthquake engineering and engineering geology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Webster Drilling And Exploration Limitedwebsterdrilling.com HQ: Porirua, New ZealandReported employees: 11-50 | Porirua, New Zealand | 11-50 | Exact match | 29 contacts → |
“Webster Drilling & Exploration Limited and its wholly owned subsidary Webster Energy Services Limited are drilling contractors based out of Porirua, Wellington, New Zealand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rock Controlrockcontrol.co.nz HQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 26 contacts → |
“Rock Control are ground engineering specialists with a firm focus on construction drilling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wilton Joubert - Geotechgeotek.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 26 contacts → |
“Geotechnical Engineering, and Engineering Geology, including Site Investigations, Earthworks Supervision and Control, Expansive Soils, Dynamic Probing, Foundation & Retaining Wall…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | KGA Geotechnical Group Limitedkga.co.nz HQ: Auckland & Christchurch, New ZealandReported employees: 11-50 | Auckland & Christchurch, New Zealand | 11-50 | Exact match | 18 contacts → |
“Geotechnical Engineers of Choice!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mcmillan Drillingdrilling.co.nz HQ: Auckland & Christchurch, New ZealandReported employees: 51-200 | Auckland & Christchurch, New Zealand | 51-200 | Exact match | 18 contacts → |
“McMillan Drilling is a leading multi-disciplinary drilling company operating throughout New Zealand and the Pacific.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Torlesse LTDtorlesseconsulting.co.nz HQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 15 contacts → |
“Torlesse Ltd is a professional services firm specialising in geotechnical and civil engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geocivilgeocivil.co.nz HQ: Whangarei, New ZealandReported employees: 11-50 | Whangarei, New Zealand | 11-50 | Exact match | 15 contacts → |
“GEOCIVIL has been in the business of testing for over 30 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Landtech Consultinglandtech.nz HQ: Christchurch, New ZealandReported employees: 11-50 | Christchurch, New Zealand | 11-50 | Exact match | 14 contacts → |
“LandTech Consulting is a specialist geotechnical service provider comprising a team of qualified Geotechnical Engineers and Engineering Geologists, with experience in geotechnical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Civil Servicescivilservices.co.nz HQ: Onekawa, New ZealandReported employees: 11-50 | Onekawa, New Zealand | 11-50 | Exact match | 11 contacts → |
“Civil Services HB Ltd specialises in civil and geotechnical engineering design, surveying (topographical, construction setout), quality assurance compaction testing and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Perry Geotechperrygeotech.co.nz HQ: Tauranga, New ZealandReported employees: 11-50 | Tauranga, New Zealand | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Earthtech Consulting Limitedearthtech.co.nz HQ: Pukekohe, New ZealandReported employees: 1-10 | Pukekohe, New Zealand | 1-10 | Exact match | 10 contacts → |
“Welcome to Earthtech Consulting Limited.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Southern Geophysicalsoutherngeophysical.com HQ: Bromley, New ZealandReported employees: 11-50 | Bromley, New Zealand | 11-50 | Exact match | 8 contacts → |
“Southern Geophysical Ltd is a leading provider of geophysical solutions for the environmental, engineering and exploration communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RDA Consultingrda.co.nz HQ: Invercargill, New ZealandReported employees: 11-50 | Invercargill, New Zealand | 11-50 | Exact match | 8 contacts → |
“We are a multi-disciplinary team providing holistic, leading edge environmental, civil and geotechnical solutions to improve the interaction of enterprise with soils, air, water…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Deane Consultancy LTDdeanecl.nz HQ: Auckland & Northland, New ZealandReported employees: 11-50 | Auckland & Northland, New Zealand | 11-50 | Exact match | 8 contacts → |
“We are a consulting engineering firm that offers a comprehensive range of geotechnical, civil & structural engineering services throughout Auckland and Northland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Drillcore LTDdrillcore.co.nz HQ: Hamurana, New ZealandReported employees: 1-10 | Hamurana, New Zealand | 1-10 | Exact match | 8 contacts → |
“We offer specialist geotechnical testing including but not limited to: Core Penetration Testing HQ, PQ Coring Push tubes SPT Testing Wash Drilling Geothermal Test Pits Packer…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Interdrill LTDinterdrill.co.nz HQ: Stratford, New ZealandReported employees: 11-50 | Stratford, New Zealand | 11-50 | Exact match | 7 contacts → |
“Since 1990 Interdrill has been providing outstanding drilling services to clients in Wellington, Wanganui and the Taranaki.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Landform Projects LTDlandformprojects.com HQ: Lincoln, New ZealandReported employees: 1-10 | Lincoln, New Zealand | 1-10 | Exact match | 6 contacts → |
“Landform Projects Ltd is locally owned, with a team bringing over 50 years of combined experience in site investigation, geotechnical testing, and land design projects across…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | GEO Data Solutions GDSgdsnz.co.nz HQ: North Island Wide, New ZealandReported employees: 1-10 | North Island Wide, New Zealand | 1-10 | Exact match | 5 contacts → |
“Geo Data Solutions (GDS) is a data acquisition and testing company lead by an experienced and knowledgeable team.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Barham United Welldrillers 2021 LTDbuwelldrillers.co.nz HQ: Hamilton, New ZealandReported employees: 11-50 | Hamilton, New Zealand | 11-50 | Exact match | 4 contacts → |
“Barham United Welldrillers (2021) Ltd is a New Zealand–owned drilling contractor providing geothermal, exploration, and water well drilling services across the North Island.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 56 company matches
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Subsurface investigation services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
56 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 56 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for subsurface investigation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsurface investigation services did RevenueBase find based in New Zealand?
The saved snapshot records 56 matching company records, 636 tracked contacts and 352 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 subsurface investigation services based in New Zealand. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsurface-investigation-services/new-zealand.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Subsurface investigation services based in Belo Horizonte, Brazil
- Subsurface investigation services based in Sao Paulo, Brazil
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