Company lists · Data refreshed September 2026
Top 19 Hydrological survey companies based in South Africa
RevenueBase identified 50 company matches for hydrological survey companies associated with South Africa as of September 2026 and tracks 348 professional contacts across them, including 148 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for hydrological survey companies associated with South Africa, 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 September 20, 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 19 largest hydrological survey companies based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 63 contacts → | ||||
Exact match “Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 37 contacts → | ||||
Exact match “WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 37 contacts → | ||||
Exact match “Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 32 contacts → | ||||
Exact match “An award-winning multidisciplinary consulting company with over 20 years experience in water, biodiversity, and engineering across aquatic and terrestrial ecosystems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 31 contacts → | ||||
Exact match “GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 21 contacts → | ||||
Exact match “INTRODUCTION JMA Consulting (Pty) Ltd is an environmental consulting company which comprises of highly trained professionals, each of whom are registered with the South African…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 12 contacts → | ||||
Exact match “ABOUT US Tritan Survey was formed in 1987 and has been offering survey expertise to clients across Africa since inception.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “The Geomeasure Group (Pty) Ltd was founded on 1 July 2002 with the aim of creating a company with a multidisciplinary team of specialist professionals, with the preservation of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “Aqua Earth celebrates more than 20 years of operation and prides itself on having a dynamic team of specialists in Hydrogeology, also identified as Groundwater, as well as…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “OUR SERVICES We provide aquatic consulting and research services to the agricultural, industrial, mining, tourism and private sectors in South Africa and the rest of Africa and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “The focus of EkoSource Insight is to provide knowledge based products to support improved water management and water related risk management in Southern Africa.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Geostratum Water Management Consulting is a company based out of South Africa” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Emanti Management (Pty) Ltd is an expanding broad-based Black Economic Empowerment (BEE) Water and Environmental Engineering specialist consultancy focused on assisting both the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “We are an environmental consulting business specialising in freshwater ecosystem (wetlands and rivers) ecological scientific services, water resource management, environmental…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Amaza Surveys offers hydrospatial consulting, hydrographic survey equipment sales and rentals, hydrographic survey support, hydrospatial project management, as well as…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Kwadiwa Africa offers consulting services within the water, environmental management and engineering service sectors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Fourth Element Consulting helps clients understand and manage water risk.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Aquatic Specialists Avifauna Wetland Specialists Environmental Management Biomonitoring Dolomite Stability Geotechnical Investigation Water quality Aerial Surveys Modelling…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Groundwater Contact us for a free quote on groundwater specialist studies for EIA's and WULA's in South Africa.” Recorded in the RevenueBase company graph · Sep 20, 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 “hydrological survey companies”. 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 19 of 50 hydrological survey companies based in South Africa
See the full list, filter by size, metro and specialty, and access 148 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrological survey companies based in South Africa at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 50 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 South Africa whose business descriptions match “hydrological survey companies” 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 148 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 September 20, 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 “hydrological survey companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrological survey companies are there based in South Africa?
RevenueBase identified 50 company matches for hydrological survey companies associated with South Africa as of September 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?
GCS Water & Environmental Consultants PTY LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrological survey companies?
Johannesburg leads with 7 company records, followed by Pretoria (7) and Cape Town (4).
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 148 professional contacts with verified work emails tracked across these 50 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 September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 50 hydrological survey companies based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
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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
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- New lists
- Hydrological survey companies based in Australia
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Company intelligence · public preview
Top 19 hydrological survey companies based in South Africa
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 50 matching company records for hydrological survey companies based in South Africa, with 348 tracked contacts and 148 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 19 hydrological survey companies based in South Africa
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 | HQ: Rivonia, South AfricaReported employees: 11-50 | Rivonia, South Africa | 11-50 | Exact match | 63 contacts → |
“Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  WRP Consulting Engineerswrp.co.zaHQ: Groenkloof, South AfricaReported employees: 11-50 | Groenkloof, South Africa | 11-50 | Exact match | 37 contacts → |
“WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Umvotoumvoto.comHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 37 contacts → |
“Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Groundtruthgroundtruth.co.zaHQ: Hilton, South AfricaReported employees: 11-50 | Hilton, South Africa | 11-50 | Exact match | 32 contacts → |
“An award-winning multidisciplinary consulting company with over 20 years experience in water, biodiversity, and engineering across aquatic and terrestrial ecosystems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Geoss South Africageoss.co.zaHQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 31 contacts → |
“GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  JMA Consultingjmaconsult.co.zaHQ: Delmas, South AfricaReported employees: 11-50 | Delmas, South Africa | 11-50 | Exact match | 21 contacts → |
“INTRODUCTION JMA Consulting (Pty) Ltd is an environmental consulting company which comprises of highly trained professionals, each of whom are registered with the South African…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Tritan Surveytritan.co.zaHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 12 contacts → |
“ABOUT US Tritan Survey was formed in 1987 and has been offering survey expertise to clients across Africa since inception.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geomeasure Group PTY LTDgeomeasuregroup.co.zaHQ: Hillcrest, South AfricaReported employees: 11-50 | Hillcrest, South Africa | 11-50 | Exact match | 11 contacts → |
“The Geomeasure Group (Pty) Ltd was founded on 1 July 2002 with the aim of creating a company with a multidisciplinary team of specialist professionals, with the preservation of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aqua Earthaquaearth.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 8 contacts → |
“Aqua Earth celebrates more than 20 years of operation and prides itself on having a dynamic team of specialists in Hydrogeology, also identified as Groundwater, as well as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Confluent Environmentalconfluent.co.zaHQ: George, South AfricaReported employees: 1-10 | George, South Africa | 1-10 | Exact match | 7 contacts → |
“OUR SERVICES We provide aquatic consulting and research services to the agricultural, industrial, mining, tourism and private sectors in South Africa and the rest of Africa and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ekosource Insight PTY LTDekosource.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 7 contacts → |
“The focus of EkoSource Insight is to provide knowledge based products to support improved water management and water related risk management in Southern Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Geostratum Water Management Consultinggeostratum.co.zaHQ: Bethlehem, South AfricaReported employees: 1-10 | Bethlehem, South Africa | 1-10 | Exact match | 5 contacts → |
“Geostratum Water Management Consulting is a company based out of South Africa” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Emanti Managementemanti.co.za HQ: Stellenbosch, South AfricaReported employees: 1-10 | Stellenbosch, South Africa | 1-10 | Exact match | 4 contacts → |
“Emanti Management (Pty) Ltd is an expanding broad-based Black Economic Empowerment (BEE) Water and Environmental Engineering specialist consultancy focused on assisting both the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Verdant Environmental PTY LTDverdantenv.co.zaHQ: Bryanston, South AfricaReported employees: 1-10 | Bryanston, South Africa | 1-10 | Exact match | 3 contacts → |
“We are an environmental consulting business specialising in freshwater ecosystem (wetlands and rivers) ecological scientific services, water resource management, environmental…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Amaza Surveysamaza-hydrospatial.comHQ: Pietermaritzburg, South AfricaReported employees: 1-10 | Pietermaritzburg, South Africa | 1-10 | Exact match | 3 contacts → |
“Amaza Surveys offers hydrospatial consulting, hydrographic survey equipment sales and rentals, hydrographic survey support, hydrospatial project management, as well as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Kwadiwa Africakwadiwaafrica.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 3 contacts → |
“Kwadiwa Africa offers consulting services within the water, environmental management and engineering service sectors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fourth Element Consultingfourthelement.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 2 contacts → |
“Fourth Element Consulting helps clients understand and manage water risk.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Emnam Environmental Consulting PTY LTDemnamconsulting.co.zaHQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 1 contacts → |
“Aquatic Specialists Avifauna Wetland Specialists Environmental Management Biomonitoring Dolomite Stability Geotechnical Investigation Water quality Aerial Surveys Modelling…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tsunami Resourcestsunamiresources.com HQ: Parys, South AfricaReported employees: 1-10 | Parys, South Africa | 1-10 | Exact match | 1 contacts → |
“Groundwater Contact us for a free quote on groundwater specialist studies for EIA's and WULA's in South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 50 company matches
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Hydrological survey companies: dataset insights
September 20, 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
50 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 South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 50 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: September 20, 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 hydrological survey companies?
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 hydrological survey companies did RevenueBase find based in South Africa?
The saved snapshot records 50 matching company records, 348 tracked contacts and 148 verified emails. The public preview displays 19 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: September 20, 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
Hydrological survey companies by geography
- Hydrological survey companies based in Australia
- Hydrological survey companies based in Brazil
- Hydrological survey companies based in Canada
- Hydrological survey companies based in Chile
- Hydrological survey companies based in France
- Hydrological survey companies based in Germany
- Hydrological survey companies based in India
- Hydrological survey companies based in Italy
- Hydrological survey companies based in the Netherlands
- Hydrological survey companies based in Spain
- Hydrological survey companies based in Switzerland
- Hydrological survey companies based in Türkiye
Cite this list
RevenueBase Data Team. Top 19 hydrological survey companies based in South Africa. Snapshot: September 20, 2026. https://revenuebase.ai/companies/hydrological-survey-companies/south-africa.
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
- Hydrological survey companies based in Australia
- Hydrological survey companies based in Brazil
- Hydrological survey companies based in Canada
- Hydrological survey companies based in Chile
- Hydrological survey companies based in France
- Hydrological survey companies based in Germany
Company intelligence · public preview
Top 19 hydrological survey companies based in South Africa
RevenueBase records 50 matching company records for hydrological survey companies based in South Africa, with 348 tracked contacts and 148 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 19 hydrological survey companies based in South Africa
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 | HQ: Rivonia, South AfricaReported employees: 11-50 | Rivonia, South Africa | 11-50 | Exact match | 63 contacts → |
“Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | WRP Consulting Engineerswrp.co.za HQ: Groenkloof, South AfricaReported employees: 11-50 | Groenkloof, South Africa | 11-50 | Exact match | 37 contacts → |
“WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Umvotoumvoto.com HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 37 contacts → |
“Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Groundtruthgroundtruth.co.za HQ: Hilton, South AfricaReported employees: 11-50 | Hilton, South Africa | 11-50 | Exact match | 32 contacts → |
“An award-winning multidisciplinary consulting company with over 20 years experience in water, biodiversity, and engineering across aquatic and terrestrial ecosystems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Geoss South Africageoss.co.za HQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 31 contacts → |
“GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | JMA Consultingjmaconsult.co.za HQ: Delmas, South AfricaReported employees: 11-50 | Delmas, South Africa | 11-50 | Exact match | 21 contacts → |
“INTRODUCTION JMA Consulting (Pty) Ltd is an environmental consulting company which comprises of highly trained professionals, each of whom are registered with the South African…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tritan Surveytritan.co.za HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 12 contacts → |
“ABOUT US Tritan Survey was formed in 1987 and has been offering survey expertise to clients across Africa since inception.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geomeasure Group PTY LTDgeomeasuregroup.co.za HQ: Hillcrest, South AfricaReported employees: 11-50 | Hillcrest, South Africa | 11-50 | Exact match | 11 contacts → |
“The Geomeasure Group (Pty) Ltd was founded on 1 July 2002 with the aim of creating a company with a multidisciplinary team of specialist professionals, with the preservation of…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aqua Earthaquaearth.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 8 contacts → |
“Aqua Earth celebrates more than 20 years of operation and prides itself on having a dynamic team of specialists in Hydrogeology, also identified as Groundwater, as well as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Confluent Environmentalconfluent.co.za HQ: George, South AfricaReported employees: 1-10 | George, South Africa | 1-10 | Exact match | 7 contacts → |
“OUR SERVICES We provide aquatic consulting and research services to the agricultural, industrial, mining, tourism and private sectors in South Africa and the rest of Africa and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Ekosource Insight PTY LTDekosource.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 7 contacts → |
“The focus of EkoSource Insight is to provide knowledge based products to support improved water management and water related risk management in Southern Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Geostratum Water Management Consultinggeostratum.co.za HQ: Bethlehem, South AfricaReported employees: 1-10 | Bethlehem, South Africa | 1-10 | Exact match | 5 contacts → |
“Geostratum Water Management Consulting is a company based out of South Africa” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Emanti Managementemanti.co.za HQ: Stellenbosch, South AfricaReported employees: 1-10 | Stellenbosch, South Africa | 1-10 | Exact match | 4 contacts → |
“Emanti Management (Pty) Ltd is an expanding broad-based Black Economic Empowerment (BEE) Water and Environmental Engineering specialist consultancy focused on assisting both the…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Verdant Environmental PTY LTDverdantenv.co.za HQ: Bryanston, South AfricaReported employees: 1-10 | Bryanston, South Africa | 1-10 | Exact match | 3 contacts → |
“We are an environmental consulting business specialising in freshwater ecosystem (wetlands and rivers) ecological scientific services, water resource management, environmental…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Amaza Surveysamaza-hydrospatial.com HQ: Pietermaritzburg, South AfricaReported employees: 1-10 | Pietermaritzburg, South Africa | 1-10 | Exact match | 3 contacts → |
“Amaza Surveys offers hydrospatial consulting, hydrographic survey equipment sales and rentals, hydrographic survey support, hydrospatial project management, as well as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kwadiwa Africakwadiwaafrica.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 3 contacts → |
“Kwadiwa Africa offers consulting services within the water, environmental management and engineering service sectors.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fourth Element Consultingfourthelement.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 2 contacts → |
“Fourth Element Consulting helps clients understand and manage water risk.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Emnam Environmental Consulting PTY LTDemnamconsulting.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 1 contacts → |
“Aquatic Specialists Avifauna Wetland Specialists Environmental Management Biomonitoring Dolomite Stability Geotechnical Investigation Water quality Aerial Surveys Modelling…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tsunami Resourcestsunamiresources.com HQ: Parys, South AfricaReported employees: 1-10 | Parys, South Africa | 1-10 | Exact match | 1 contacts → |
“Groundwater Contact us for a free quote on groundwater specialist studies for EIA's and WULA's in South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Hydrological survey companies: dataset insights
September 20, 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
50 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 South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 50 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: September 20, 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 hydrological survey companies?
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 hydrological survey companies did RevenueBase find based in South Africa?
The saved snapshot records 50 matching company records, 348 tracked contacts and 148 verified emails. The public preview displays 19 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: September 20, 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 19 hydrological survey companies based in South Africa. Snapshot: September 20, 2026. https://revenuebase.ai/companies/hydrological-survey-companies/south-africa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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