Company lists · Data refreshed September 2026
Top 25 Energy engineering consulting firms based in Cape Town, South Africa
RevenueBase identified 112 energy engineering consulting firms headquartered in Cape Town, South Africa as of September 2026 and tracks 2,147 professional contacts across them, including 905 with verified work emails. Across South Africa, Johannesburg is the largest hub for this category (147 companies); Cape Town follows with 112.
This list covers energy engineering consulting firms headquartered in Cape Town, South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 24, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 energy engineering consulting firms based in Cape Town, South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 439 contacts → | ||||
Indirect evidence “Leaders in Power Generation, Mining, Oil and Gas.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 2 | 231 contacts → | ||||
Strong evidence “Terra Firma is a leading turnkey energy engineering solution provider based in sub-Saharan Africa.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 3 | 102 contacts → | ||||
Strong evidence “Sutherland is a multi-disciplinary consulting engineering company with offices in Cape Town, Johannesburg, Durban, and Nairobi, Multidisciplinary sub-disciplines include…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67 contacts → | ||||
Partial evidence “Allweld is one of the oldest established, and longest-running Engineering Solutions companies in South Africa.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Partial evidence “CSV Construction (Pty) Ltd is a leading diversified Civil Engineering Company with a track record of over 30 years of delivering quality works to clients in Civil and Concrete…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 6 | 52 contacts → | ||||
Partial evidence “Electrical and Electronic Engineering” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 7 | 49 contacts → | ||||
Partial evidence “As an owner-managed entity, Cinco Engineering offers a full scope of engineering services that draws on the strength of its shareholding companies.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 8 | 48 contacts → | ||||
Strong evidence “Livewire Engineering and Consulting (Pty) Ltd was founded in March 2006 to specifically address consulting requirements in the fields of Energy Management, Tariff Analysis, Energy…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 9 | 44 contacts → | ||||
Partial evidence “Click the at the top right hand of this page to follow us, or visit New Southern Energy (N.S.E) is an African company based in South Africa.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 10 | 38 contacts → | ||||
Indirect evidence “The journey to sustainability is complex.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 11 | 35 contacts → | ||||
Indirect evidence “Climate Change Solutions.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 12 | 34 contacts → | ||||
Partial evidence “At Emergent Energy, we believe energy investments should be clear, simple, and designed for long-term value.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 13 | 27 contacts → | ||||
Partial evidence “SOLINK is a leading technical advisor and project facilitator in the renewable energy sector.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Indirect evidence “Founded in 2016, Nouum consistently provides turnkey solutions for the maritime and stationary power industries.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 15 | 23 contacts → | ||||
Indirect evidence “Over the past 20+ years we have successfully delivered services to clients in a wide variety of residential, commercial, and industrial projects with scopes ranging from small to…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20 contacts → | ||||
Partial evidence “Energy Group is a specialist clean energy advisor and developer focused on helping large energy users across South Africa reduce costs, improve energy security, and achieve their…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 17 | 20 contacts → | ||||
Strong evidence “DeVS-SiVEST (Pty) Ltd, are Consulting Engineers, specializing in providing unique and appropriate consulting engineering services for a wide range of building and construction…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 contacts → | ||||
Strong evidence “Nadeson Consulting Services is a multi-disciplinary and advisory engineering consultancy with its headquarters in Cape Town, South Africa.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Partial evidence “Ecolution Consulting is a green building consultancy demonstrating that responsible design is the most practical and efficient way to build for the future.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 contacts → | ||||
Indirect evidence “Power Partners Group was established in 2019.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 21 | 14 contacts → | ||||
Partial evidence “We offer Integrated Smart and Sustainable Energy solutions that include Solar PV, Water, and Lighting solutions for the Commercial, Industrial, Agricultural and Residential…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Partial evidence “Hendhan & Partners provide Civil, Fire, Structural & Mechanical Engineering services within the built environment.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Partial evidence “Sillito Environmental Consulting provides expertise in the areas of environmental authorisation, licencing, monitoring and auditing, contamination assessment, development of…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Partial evidence “Imbue Sustainability is a leading South African sustainability consultancy specialising in solar and renewable energy solutions and utility optimisation, enhancing the…” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Indirect evidence “Urban Earth is a South African sustainability consultancy established in 2010.” Source: RevenueBase Database · checked Sep 24, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: energy engineering consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names energy engineering consulting firms.
- Partial evidence
- Its own public description names part of energy engineering consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy engineering consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 112 energy engineering consulting firms based in Cape Town, South Africa
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Energy engineering consulting firms based in Cape Town, South Africa at a glance
As of Sep 24, 2026Companies by employee count
Email recency for this list is measured across the whole South Africa list rather than for Cape Town, so it is reported there. Company counts and contact totals on this page are exact for Cape Town, over 112 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy engineering consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Cape Town, South Africa whose own description of what they do matches “energy engineering consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy engineering consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among energy engineering consulting firms, and records with no verified work email. Companies headquartered outside Cape Town are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 905 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 24, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Energy engineering consulting firms by metro in South Africa
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names energy engineering consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many energy engineering consulting firms are there based in Cape Town, South Africa?
RevenueBase identified 112 energy engineering consulting firms headquartered in Cape Town, South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Lesedi, headquartered in Cape Town, tops this list with the largest team on record.
Which city in South Africa has the most energy engineering consulting firms?
Johannesburg leads South Africa with 147 headquartered companies, followed by Cape Town (112) and Pretoria (92).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 905 verified decision-maker contacts tracked across these 112 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 24, 2026.
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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 Smart Search, 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.
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