Company lists · Data refreshed September 2026
Top 25 Sustainable development consultancies based in South Africa
RevenueBase identified 487 company matches for sustainable development consultancies associated with South Africa as of September 2026 and tracks 2,858 professional contacts across them, including 994 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for sustainable development consultancies 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 29, 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 sustainable development consultancies based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 170 contacts → | ||||
Exact match “Pegasys is a multidisciplinary strategic management consulting group with expertise in the development and management of climate change, cities, energy, resilience, transport…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 169 contacts → | ||||
Exact match “Digby Wells Environmental delivers integrated environmental, social and sustainability solutions across the resource, infrastructure, energy and agriculture sectors.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 120 contacts → | ||||
Exact match “Established in South Africa in 2003, NCC-Group delivers specialist consulting and implementation services designed to meet the unique needs of each project – both locally and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 90 contacts → | ||||
Exact match “We are a niche firm that drives investment, commercial excellence, developmental strategies, and sustainability.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 68 contacts → | ||||
Exact match “A sustainable development company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 60 contacts → | ||||
Exact match “Turning Climate Finance into Climate Impact.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 49 contacts → | ||||
Exact match “Terramanzi Group is a leading Cape Town based multi-disciplinary environmental firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 38 contacts → | ||||
Exact match “The journey to sustainability is complex.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 37 contacts → | ||||
Exact match “Synergy Global Consulting Ltd (Synergy) is an independent international consulting company that works with natural resource and infrastructure sectors operating in challenging…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 37 contacts → | ||||
Exact match “Hlela Group is a diversified engineering, project and execution management service provider based in Mpumalanga, South Africa.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “Solid Green Consulting is a young and energetic company enthusiastic about advancing sustainability in the built environment.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “Harmattan Renewables brings together a team of experienced renewables consultants who have been at the forefront of developing Africa’s renewables sector.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 35 contacts → | ||||
Exact match “Climate Change Solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match “ZITHOLELE CONSULTING, offers Specialist Consulting Services in the fields of Engineering, Environmental Management, Waste Management and Strategic Communication.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 33 contacts → | ||||
Exact match “Tshani Consulting CC is a multi-disciplinary company providing professional advise and services in "Development Planning".” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 31 contacts → | ||||
Exact match “LeafySpace (Pty) Ltd was established in 2010, and have branches located in Gauteng, Cape Town, Durban, Limpopo, and Eastern Cape.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 27 contacts → | ||||
Exact match “SOLINK is a leading technical advisor and project facilitator in the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 27 contacts → | ||||
Exact match “Our mission is to sustain a successful, professional practice through the application of PROFESSIONAL EXPERTISE SERVICE EXCELLENCE PROFESSIONAL ETHICS SOUND BUSINESS PRACTICE For…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 22 contacts → | ||||
Exact match “The pressure on businesses to supply products and behave in ways that achieve “sustainability” is growing.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 21 contacts → | ||||
Exact match “ENVASS Group of Companies is an environmental consultancy, established in 2004 in South Africa.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 21 contacts → | ||||
Exact match “Through undertaking a broad range of environmental studies, Savannah Environmental has gained extensive experience with regards to environmental legislation requirements and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 19 contacts → | ||||
Exact match “Promethium Carbon is a specialist advisory firm focusing on carbon and climate change.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “Brundtland Consulting is a South African management consulting firm specialized in climate change, green economy and renewable energy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “Founded in 2016, Kongiwe is a contemporary consultancy with the purpose ‘To solve environmental and social challenges by providing expert bespoke solutions that promote current…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “Headquartered in Hillcrest, KwaZulu-Natal, Vuna Agribusiness is a specialist consultancy bridging the gap between technical agricultural design and financial bankability.” Recorded in the RevenueBase company graph · Sep 29, 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 “sustainable development consultancies”. 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 487 sustainable development consultancies based in South Africa
See the full list, filter by size, metro and specialty, and access 994 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sustainable development consultancies based in South Africa at a glance
As of Sep 29, 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 487 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 “sustainable development consultancies” 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 994 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 29, 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.
Sustainable development consultancies by metro
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 “sustainable development consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainable development consultancies are there based in South Africa?
RevenueBase identified 487 company matches for sustainable development consultancies 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?
Pegasys Consulting tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most sustainable development consultancies?
Johannesburg leads with 89 company records, followed by Cape Town (87) and Pretoria (37).
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 994 professional contacts with verified work emails tracked across these 487 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 487 sustainable development consultancies based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
Sustainable development consultancies by geography
- Sustainable development consultancies based in Buenos Aires, Argentina
- Sustainable development consultancies based in Adelaide, Australia
- Sustainable development consultancies based in Brisbane, Australia
- Sustainable development consultancies based in Melbourne, Australia
- Sustainable development consultancies based in Perth, Australia
- Sustainable development consultancies based in Sydney, Australia
- Sustainable development consultancies based in Vienna, Austria
- Sustainable development consultancies based in Brussels, Belgium
- Sustainable development consultancies based in Belo Horizonte, Brazil
- Sustainable development consultancies based in Campinas, Brazil
- Sustainable development consultancies based in Curitiba, Brazil
- Sustainable development consultancies based in Fortaleza, Brazil
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
- Sustainable development consultancies based in Buenos Aires, Argentina
- Sustainable development consultancies based in Adelaide, Australia
- Sustainable development consultancies based in Brisbane, Australia
- Sustainable development consultancies based in Melbourne, Australia
- Sustainable development consultancies based in Perth, Australia
- Sustainable development consultancies based in Sydney, Australia
Company intelligence · public preview
Top 25 sustainable development consultancies 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 487 matching company records for sustainable development consultancies based in South Africa, with 2,858 tracked contacts and 994 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: September 29, 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 sustainable development consultancies 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 |  Pegasys Consultingpegasys.co.zaHQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 170 contacts → |
“Pegasys is a multidisciplinary strategic management consulting group with expertise in the development and management of climate change, cities, energy, resilience, transport…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Digby Wells Environmentaldigbywells.com HQ: Bryanston, South AfricaReported employees: 51-200 | Bryanston, South Africa | 51-200 | Exact match | 169 contacts → |
“Digby Wells Environmental delivers integrated environmental, social and sustainability solutions across the resource, infrastructure, energy and agriculture sectors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ncc-Group PTY LTDncc-group.co.zaHQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 120 contacts → |
“Established in South Africa in 2003, NCC-Group delivers specialist consulting and implementation services designed to meet the unique needs of each project – both locally and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Siyakha Consultingsiyakha.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 90 contacts → |
“We are a niche firm that drives investment, commercial excellence, developmental strategies, and sustainability.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pele Energy Grouppeleenergygroup.comHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 68 contacts → |
“A sustainable development company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  C4 Ecosolutionsc4es.co.zaHQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 60 contacts → |
“Turning Climate Finance into Climate Impact.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Terramanzi Groupterramanzi.co.zaHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 49 contacts → |
“Terramanzi Group is a leading Cape Town based multi-disciplinary environmental firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GCXgcxdash.comHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 38 contacts → |
“The journey to sustainability is complex.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Synergy Global Consulting LTDsynergy-global.netHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 37 contacts → |
“Synergy Global Consulting Ltd (Synergy) is an independent international consulting company that works with natural resource and infrastructure sectors operating in challenging…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hlela Group Of Companieshlelaprojects.africaHQ: Middelburg, South AfricaReported employees: 51-200 | Middelburg, South Africa | 51-200 | Exact match | 37 contacts → |
“Hlela Group is a diversified engineering, project and execution management service provider based in Mpumalanga, South Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Solid Greensolidgreen.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 36 contacts → |
“Solid Green Consulting is a young and energetic company enthusiastic about advancing sustainability in the built environment.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Harmattan Renewablesharmattanrenewables.comHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 35 contacts → |
“Harmattan Renewables brings together a team of experienced renewables consultants who have been at the forefront of developing Africa’s renewables sector.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Yellow Treeyellowtree.co.zaHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 35 contacts → |
“Climate Change Solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Zitholele Consultingzitholele.co.zaHQ: Midrand, South AfricaReported employees: 11-50 | Midrand, South Africa | 11-50 | Exact match | 33 contacts → |
“ZITHOLELE CONSULTING, offers Specialist Consulting Services in the fields of Engineering, Environmental Management, Waste Management and Strategic Communication.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Tshani Consulting C.Ctshani.co.zaHQ: East London, South AfricaReported employees: 11-50 | East London, South Africa | 11-50 | Exact match | 33 contacts → |
“Tshani Consulting CC is a multi-disciplinary company providing professional advise and services in "Development Planning".” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Leafyspaceleafyspace.co.zaHQ: Kempton Park, South AfricaReported employees: 11-50 | Kempton Park, South Africa | 11-50 | Exact match | 31 contacts → |
“LeafySpace (Pty) Ltd was established in 2010, and have branches located in Gauteng, Cape Town, Durban, Limpopo, and Eastern Cape.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Solinksolink.co.zaHQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 27 contacts → |
“SOLINK is a leading technical advisor and project facilitator in the renewable energy sector.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 27 contacts → |
“Our mission is to sustain a successful, professional practice through the application of PROFESSIONAL EXPERTISE SERVICE EXCELLENCE PROFESSIONAL ETHICS SOUND BUSINESS PRACTICE For…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Blue North Sustainabilitybluenorth.co.zaHQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 22 contacts → |
“The pressure on businesses to supply products and behave in ways that achieve “sustainability” is growing.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Environmental Assurance PTY LTDenvass.co.zaHQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 21 contacts → |
“ENVASS Group of Companies is an environmental consultancy, established in 2004 in South Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Savannah Environmental PTY LTDsavannahsa.comHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 21 contacts → |
“Through undertaking a broad range of environmental studies, Savannah Environmental has gained extensive experience with regards to environmental legislation requirements and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Promethium Carbonpromethium.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 19 contacts → |
“Promethium Carbon is a specialist advisory firm focusing on carbon and climate change.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Brundtland Consultingbrundtland.co.zaHQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 19 contacts → |
“Brundtland Consulting is a South African management consulting firm specialized in climate change, green economy and renewable energy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kongiwekongiwe.comHQ: Bryanston, South AfricaReported employees: 11-50 | Bryanston, South Africa | 11-50 | Exact match | 19 contacts → |
“Founded in 2016, Kongiwe is a contemporary consultancy with the purpose ‘To solve environmental and social challenges by providing expert bespoke solutions that promote current…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Vuna Agribusinessvunaagribusiness.comHQ: Hillcrest, South AfricaReported employees: 1-10 | Hillcrest, South Africa | 1-10 | Exact match | 18 contacts → |
“Headquartered in Hillcrest, KwaZulu-Natal, Vuna Agribusiness is a specialist consultancy bridging the gap between technical agricultural design and financial bankability.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 487 company matches
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Sustainable development consultancies: dataset insights
September 29, 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
487 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 487 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 29, 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 ↗
Sustainable development consultancies by metro
Questions about this company list
What does Exact match mean for sustainable development consultancies?
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 sustainable development consultancies did RevenueBase find based in South Africa?
The saved snapshot records 487 matching company records, 2,858 tracked contacts and 994 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: September 29, 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
Sustainable development consultancies by geography
- Sustainable development consultancies based in Buenos Aires, Argentina
- Sustainable development consultancies based in Adelaide, Australia
- Sustainable development consultancies based in Brisbane, Australia
- Sustainable development consultancies based in Melbourne, Australia
- Sustainable development consultancies based in Perth, Australia
- Sustainable development consultancies based in Sydney, Australia
- Sustainable development consultancies based in Vienna, Austria
- Sustainable development consultancies based in Brussels, Belgium
- Sustainable development consultancies based in Belo Horizonte, Brazil
- Sustainable development consultancies based in Campinas, Brazil
- Sustainable development consultancies based in Curitiba, Brazil
- Sustainable development consultancies based in Fortaleza, Brazil
Cite this list
RevenueBase Data Team. Top 25 sustainable development consultancies based in South Africa. Snapshot: September 29, 2026. https://revenuebase.ai/companies/sustainable-development-consultancies/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
- Sustainable development consultancies based in Buenos Aires, Argentina
- Sustainable development consultancies based in Adelaide, Australia
- Sustainable development consultancies based in Brisbane, Australia
- Sustainable development consultancies based in Melbourne, Australia
- Sustainable development consultancies based in Perth, Australia
- Sustainable development consultancies based in Sydney, Australia
Company intelligence · public preview
Top 25 sustainable development consultancies based in South Africa
RevenueBase records 487 matching company records for sustainable development consultancies based in South Africa, with 2,858 tracked contacts and 994 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: September 29, 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 sustainable development consultancies 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 | Pegasys Consultingpegasys.co.za HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 170 contacts → |
“Pegasys is a multidisciplinary strategic management consulting group with expertise in the development and management of climate change, cities, energy, resilience, transport…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Digby Wells Environmentaldigbywells.com HQ: Bryanston, South AfricaReported employees: 51-200 | Bryanston, South Africa | 51-200 | Exact match | 169 contacts → |
“Digby Wells Environmental delivers integrated environmental, social and sustainability solutions across the resource, infrastructure, energy and agriculture sectors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ncc-Group PTY LTDncc-group.co.za HQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 120 contacts → |
“Established in South Africa in 2003, NCC-Group delivers specialist consulting and implementation services designed to meet the unique needs of each project – both locally and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Siyakha Consultingsiyakha.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 90 contacts → |
“We are a niche firm that drives investment, commercial excellence, developmental strategies, and sustainability.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pele Energy Grouppeleenergygroup.com HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 68 contacts → |
“A sustainable development company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | C4 Ecosolutionsc4es.co.za HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 60 contacts → |
“Turning Climate Finance into Climate Impact.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Terramanzi Groupterramanzi.co.za HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 49 contacts → |
“Terramanzi Group is a leading Cape Town based multi-disciplinary environmental firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GCXgcxdash.com HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 38 contacts → |
“The journey to sustainability is complex.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Synergy Global Consulting LTDsynergy-global.net HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 37 contacts → |
“Synergy Global Consulting Ltd (Synergy) is an independent international consulting company that works with natural resource and infrastructure sectors operating in challenging…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hlela Group Of Companieshlelaprojects.africa HQ: Middelburg, South AfricaReported employees: 51-200 | Middelburg, South Africa | 51-200 | Exact match | 37 contacts → |
“Hlela Group is a diversified engineering, project and execution management service provider based in Mpumalanga, South Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Solid Greensolidgreen.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 36 contacts → |
“Solid Green Consulting is a young and energetic company enthusiastic about advancing sustainability in the built environment.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Harmattan Renewablesharmattanrenewables.com HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 35 contacts → |
“Harmattan Renewables brings together a team of experienced renewables consultants who have been at the forefront of developing Africa’s renewables sector.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Yellow Treeyellowtree.co.za HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 35 contacts → |
“Climate Change Solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Zitholele Consultingzitholele.co.za HQ: Midrand, South AfricaReported employees: 11-50 | Midrand, South Africa | 11-50 | Exact match | 33 contacts → |
“ZITHOLELE CONSULTING, offers Specialist Consulting Services in the fields of Engineering, Environmental Management, Waste Management and Strategic Communication.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tshani Consulting C.Ctshani.co.za HQ: East London, South AfricaReported employees: 11-50 | East London, South Africa | 11-50 | Exact match | 33 contacts → |
“Tshani Consulting CC is a multi-disciplinary company providing professional advise and services in "Development Planning".” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Leafyspaceleafyspace.co.za HQ: Kempton Park, South AfricaReported employees: 11-50 | Kempton Park, South Africa | 11-50 | Exact match | 31 contacts → |
“LeafySpace (Pty) Ltd was established in 2010, and have branches located in Gauteng, Cape Town, Durban, Limpopo, and Eastern Cape.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Solinksolink.co.za HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 27 contacts → |
“SOLINK is a leading technical advisor and project facilitator in the renewable energy sector.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 27 contacts → |
“Our mission is to sustain a successful, professional practice through the application of PROFESSIONAL EXPERTISE SERVICE EXCELLENCE PROFESSIONAL ETHICS SOUND BUSINESS PRACTICE For…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Blue North Sustainabilitybluenorth.co.za HQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 22 contacts → |
“The pressure on businesses to supply products and behave in ways that achieve “sustainability” is growing.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Environmental Assurance PTY LTDenvass.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 21 contacts → |
“ENVASS Group of Companies is an environmental consultancy, established in 2004 in South Africa.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Savannah Environmental PTY LTDsavannahsa.com HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 21 contacts → |
“Through undertaking a broad range of environmental studies, Savannah Environmental has gained extensive experience with regards to environmental legislation requirements and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Promethium Carbonpromethium.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 19 contacts → |
“Promethium Carbon is a specialist advisory firm focusing on carbon and climate change.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Brundtland Consultingbrundtland.co.za HQ: Johannesburg, South AfricaReported employees: 1-10 | Johannesburg, South Africa | 1-10 | Exact match | 19 contacts → |
“Brundtland Consulting is a South African management consulting firm specialized in climate change, green economy and renewable energy.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kongiwekongiwe.com HQ: Bryanston, South AfricaReported employees: 11-50 | Bryanston, South Africa | 11-50 | Exact match | 19 contacts → |
“Founded in 2016, Kongiwe is a contemporary consultancy with the purpose ‘To solve environmental and social challenges by providing expert bespoke solutions that promote current…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Vuna Agribusinessvunaagribusiness.com HQ: Hillcrest, South AfricaReported employees: 1-10 | Hillcrest, South Africa | 1-10 | Exact match | 18 contacts → |
“Headquartered in Hillcrest, KwaZulu-Natal, Vuna Agribusiness is a specialist consultancy bridging the gap between technical agricultural design and financial bankability.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 487 company matches
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Sustainable development consultancies: dataset insights
September 29, 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
487 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 487 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 29, 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 ↗
Sustainable development consultancies by metro
Questions about this company list
What does Exact match mean for sustainable development consultancies?
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 sustainable development consultancies did RevenueBase find based in South Africa?
The saved snapshot records 487 matching company records, 2,858 tracked contacts and 994 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: September 29, 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
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Cite this list
RevenueBase Data Team. Top 25 sustainable development consultancies based in South Africa. Snapshot: September 29, 2026. https://revenuebase.ai/companies/sustainable-development-consultancies/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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