The companies listed are large corporate groups and holding companies headquartered in Johannesburg, primarily operating in financial services, telecommunications, and utilities. These include established entities like Standard Bank Group, a financial services provider, and Eskom Holdings SOC Ltd, a power utility. MTN is a pan-African mobile operator, and Absa Group focuses on financial services.
A notable pattern is the concentration of financial services firms, alongside major infrastructure and utility providers. Transnet SOC Ltd manages ports, rail, and pipelines, while Discovery Limited specializes in health and life insurance. Old Mutual is another financial services company, and Sun International operates in gaming and hospitality.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Standard Bank Groupstandardbank.com
Financial services provider focused on inclusive, sustainable economic development and growth across sub-Saharan Africa with ethical business practices. |
70,728 | |||
| 2 |
Eskom Holdings SOC Ltdeskom.co.za
A leading power utility in South Africa, with a significant presence in electricity generation, transportation, and distribution on the African continent |
42,862 | |||
| 3 | 42,718 | ||||
| 4 |
Absa Groupabsa.africa
African financial services company focused on growth, with presence in multiple countries and insurance operations across the continent |
42,684 | |||
| 5 |
Transnet SOC Ltdtransnet.net
Management of ports, rail, and pipelines to support South Africa's economic growth through infrastructure modernization and strategic partnerships. |
27,696 | |||
| 6 |
Discovery Limiteddiscovery.co.za
Leading global company innovating in health, life, and short-term insurance, promoting wellness and shared value through Vitality program. |
14,735 | |||
| 7 |
Old Mutualoldmutual.com
Pan-African financial services company focused on meeting Africa's needs by supporting education, housing, small businesses, and infrastructure development. |
13,100 | |||
| 8 |
Sun Internationalcorporate.suninternational.com
A leading company in gaming, hospitality, and entertainment industry, offering luxury hotels, casinos, and premier resorts with a focus on exceptional service and responsible corporate citizenship |
6,085 | |||
| 9 |
South African Airwaysflysaa.com
Leading carrier in Africa, offering passenger and cargo transport services, maintenance facilities, catering, and regional flights within South Africa and internationally |
5,408 | |||
| 10 |
Hollard Insurancehollard.co.za
Specialist brokers understand your business needs and ensure coverage where you are, providing tailored insurance solutions |
5,337 | |||
| 11 |
Clientele Limitedclientele.co.za
A diversified financial services group in South Africa, offering easy-to-understand financial products through direct marketing channels, with sustained growth and high returns |
4,636 | |||
| 12 | 4,547 | ||||
| 13 |
RMB - Rand Merchant Bankrmb.co.za
Provides innovative corporate and investment banking services including advisory, funding, trading, and risk management across Africa and globally. |
4,478 | |||
| 14 |
Adcorp Groupadcorpgroup.com
A workforce solutions provider offering diverse talent management solutions in various industries and regions to shape markets and economies |
2,851 | |||
| 15 |
Barclays Africa Group Limited
The company underwent a name change to Absa Group Limited and aims to have one brand across all operations Follow their new LinkedIn page |
2,671 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
DRA Globaldraglobal.com
An international group specializing in engineering, project delivery, and operations management in the mining industry, offering services across various commodities worldwide |
2,502 | |||
| 17 |
Studio 88 Group of Companiesstudio-88.co.za
A leading fashion and footwear retail chain in South Africa, offering exclusive releases and top international brands in vibrant store settings Expanding presence in Africa |
2,065 | |||
| 18 |
Comair Limitedcomair.co.za
An innovative and diversified aviation group operating airlines, training, catering, hospitality, and travel services in South Africa and beyond |
2,047 | |||
| 19 |
Famous Brandsfamousbrands.co.za
A leading franchisor in the restaurant industry with a diverse portfolio of much-loved brands, offering innovative food services solutions and sustainable growth |
1,754 | |||
| 20 |
MOTUS HOLDINGS LIMITEDmotus.co.za
Leading vehicle business in South Africa with international presence, offering import, retail, rental, mobility solutions, and aftermarket parts. |
1,651 | |||
| 21 |
Minopexminopex.com
A leader in contract operation and maintenance for mining industry, providing cost-effective solutions while ensuring quality, safety, and productivity |
1,258 | |||
| 22 |
Thungelathungela.com
A proactive and responsible mining sector influencer committed to safety, community connection, and excellence through expertise and unity |
1,235 | |||
| 23 |
Metrofilemetrofile.com
Leader in information management, providing digital and archiving services, software solutions, and cloud services Specializing in records management with over four decades of experience |
1,228 | |||
| 24 |
Omnia Holdingsomnia.co.za
A diversified chemicals group providing innovative solutions for agriculture, mining, and chemical industries, promoting responsible chemical use and cleaner technologies |
1,065 | |||
| 25 |
Tarsus Technology Grouptarsus.co.za
Leading technology group in Southern Africa offering high-quality products, solutions, and services including supply chain optimization, cloud solutions, and IT security services |
933 | |||
| 26 |
Sasfinsasfin.com
An independent banking and financial services group offering specialized services from stockbroking to business and equity finance for entrepreneurs |
809 | |||
| 27 |
ERG Africaergafrica.com
A leading diversified natural resources group with production assets across 15 countries, focusing on mining and processing copper, cobalt, and other minerals globally |
625 | |||
| 28 |
Gearhouse Groupgearhouse.co.za
A leading equipment rental company in South Africa, specializing in lighting, audio, AV, structures, rigging, power, sets, seating, venue management, ICT solutions, and more |
565 | |||
| 29 |
Barloworld Limitedbarloworld.com
An industrial processing and distribution business providing equipment, services, and ingredients to support mining, construction, power solutions, and manufacturing industries |
557 | |||
| 30 |
Crown Food Groupcrownnational.co.za
Supplier of high-quality products and solutions to the food industry for over a century, with a focus on innovation, diversity, and customer satisfaction |
540 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.
More company lists in Johannesburg
- The largest companies in Johannesburg 442
- Multinational companies in Johannesburg 131
- Financial services firms in Johannesburg 60
- Financial Services companies in Johannesburg 51
- Retail chains in Johannesburg 49
- Critical infrastructure operators in Johannesburg 39
- Manufacturers in Johannesburg 39
- Distributors and wholesalers in Johannesburg 32
- Professional services firms in Johannesburg 27
- Companies with a mobile app in Johannesburg 25
- IT Services and IT Consulting companies in Johannesburg 25
The same list elsewhere in South Africa
- Corporate groups and holding companies in South Africa 120
- Corporate groups and holding companies in Gauteng 75