The professional services firms in Gauteng are mostly large established companies, with the largest having over 4,000 employees. They are primarily active in business consulting, IT services, and legal practice. Notable firms include PwC South Africa, providing assurance and consulting, and Adcorp Group, a workforce solutions provider. DRA Global specializes in engineering and operations management in the mining industry, while ENS offers legal services across Africa.
A significant number of these firms, such as Adcorp Group, DRA Global, and Workforce Staffing, were founded in the 1970s and 1980s. The headquarters are concentrated in Johannesburg and Sandton, with a few in Midrand, Parktown, and Pretoria. This indicates a strong clustering of professional services expertise within these major urban centers of Gauteng.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
PwC South Africapwc.co.za
A trusted global firm in South Africa, providing tailored solutions and expertise in assurance, consulting, tax, and legal services across various industries |
4,161 | |||
| 2 |
Adcorp Groupadcorpgroup.com
A workforce solutions provider offering diverse talent management solutions in various industries and regions to shape markets and economies |
2,851 | |||
| 3 |
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 | |||
| 4 |
KPMG South Africakpmg.com
Global network of firms providing audit, tax, and advisory services to clients worldwide, with a focus on risk management and seizing opportunities for sustainable growth |
2,464 | |||
| 5 |
Deloitte South Africadeloitte.com
A leading professional services firm in Southern Africa providing tax, audit, consulting, and financial advisory services to help companies succeed |
2,190 | |||
| 6 |
Zutarizutari.com
The company is an infrastructure engineering and advisory practice that maximizes the value of water, transport, energy, resources, and built-environment projects |
2,131 | |||
| 7 |
ENSensafrica.com
Provides comprehensive legal services across Africa, specializing in commercial law, tax, forensics, and intellectual property with extensive experience. |
2,101 | |||
| 8 |
Entelectculture.entelect.co.za
Software engineering company delivering world-class solutions to industries with highly skilled staff, custom systems design, career development opportunities, and rewards program for high performers |
1,997 | |||
| 9 |
BDO South Africabdo.co.za
A leading provider of audit, advisory, and tax services in South Africa, offering practical solutions through exceptional client relationships and global network support |
1,862 | |||
| 10 |
Workforce Staffingworkforcestaffing.co.za
Leader in staffing & recruitment, providing fully managed solutions, outsourcing options, human capital management services, and commitment to transformation and job creation |
1,569 | |||
| 11 |
Bowmans (Law Firm)bowmanslaw.com
Specialist legal services provider in Africa, offering expertise in corporate, finance, taxation, and dispute resolution matters to diverse clients across multiple jurisdictions |
1,471 | |||
| 12 |
NTT DATA Middle East and Africaservices.global.ntt
Global innovator in business and technology services, specializing in helping clients innovate, optimize, and transform through R&D investments and diverse expertise |
1,318 | |||
| 13 |
SNG Grant Thorntongrantthornton.co.za
Global leader in independent assurance, tax, and advisory services, offering personalized solutions to clients worldwide through proactive teams and international expertise |
1,223 | |||
| 14 |
Adams & Adamsadams.africa
A leading African law firm specializing in intellectual property, corporate, and commercial legal services with a strong presence across Africa |
949 | |||
| 15 |
iqbusinessiqbusiness.net
Provides management consulting, digital transformation, cloud, security services, and business growth solutions across Africa with a focus on excellence. |
889 | |||
| 16 |
LabourNetlabournet.com
LabourNet Management offers comprehensive HR solutions to help employers manage their human capital effectively, mitigate risks, and attract top talent |
870 | |||
| 17 |
SEESA (Pty) Ltdbit.ly
A nationwide industry expert in South Africa offering a range of services including IR & HR software, BEE strategies, legal advice, and employee training |
858 | |||
| 18 | 847 | ||||
| 19 |
WSP in Africawsp.com
An engineering consulting firm providing a wide range of technical expertise in areas like urban planning, sustainable design, and energy development |
701 | |||
| 20 |
DVTdvtsoftware.com
South African technology provider offering custom software, AI, and data engineering services with local engagement and global scale expertise. |
689 | |||
| 21 |
Nexia SAB&Tnexia-sabt.co.za
A leading black-owned accounting organization in South Africa, providing multi-disciplinary services across all nine provinces with over 400 staff members |
666 | |||
| 22 |
Restaurant Staffrestaurantcareers.co.za
Specializing in recruiting management & chefs for the Restaurant Industry, using tested techniques to find passionate individuals for various positions |
644 | |||
| 23 |
Royal HaskoningDHV South Africaroyalhaskoningdhv.com
An international project management, engineering, and consultancy provider with over 6,000 staff offering solutions in water, transport, energy, urban planning, and development globally |
593 | |||
| 24 |
Independent Development Trustidt.org.za
The organization manages and delivers social infrastructure and development programs in rural communities, supporting government initiatives for citizen services and community empowerment |
551 | |||
| 25 |
Werksmans Attorneyswerksmans.com
Leading South African law firm offering corporate and commercial legal services to multinationals, listed companies, financial institutions, entrepreneurs, and government clients nationwide and across Africa |
540 | |||
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. | |||||
| 26 |
21st Century21century.co.za
Specialist consultancy offering remuneration, organization development, and change services with national and international reach, supported by comprehensive salary survey database |
531 | |||
| 27 |
APMCapmc.co.za
A seasoned consultancy offering management, recruitment, and training solutions tailored to client needs, with 34+ years of industry experience |
529 | |||
| 28 |
Bigen Groupbigengroup.com
African infrastructure development company committed to social impact, offering innovative solutions in Water, Real Estate, Transport, Energy, and Health sectors |
505 | |||
| 29 |
handelhandel.co.za
Specializing in B2B marketing, we align sales and marketing strategies to drive business growth and help clients achieve commercial objectives |
496 | |||
| 30 |
Machine_thisismachine.co.za
A creative solutions agency with fearless minds, using human behavior, local knowledge, and consumer data to create impactful solutions |
483 | |||
| 31 |
Quest Staffing Solutionsquest.co.za
Leading recruitment agency in South Africa and Africa, specializing in white-collar staffing with over 40 years of experience and a Level 1 BBBEE rating |
476 | |||
| 32 | 469 | ||||
| 33 |
Network Recruitmentnetworkrecruitmentinternational.com
Specialist recruitment agency offering outstanding solutions in Finance, IT, Engineering, and Supply Chain for 30 years, with focus on developing relationships and delivering results |
444 | |||
| 34 |
SENETsenet.co.za
A leading project management and engineering entity specializing in mineral processing, offering services from scoping studies to project handover with a focus on quality and safety |
441 | |||
| 35 |
MacRobert Incorporatedmacrobert.co.za
A national law firm with offices in major cities, offering legal services with a team of experienced lawyers and a focus on client satisfaction and clear communication |
439 | |||
| 36 |
Roadlab Laboratoriesroadlab.co.za
Privately-owned civil engineering materials testing laboratory with 13 branches in South Africa and operations in 21 countries, holding international accreditation ISO 17025 by SANAS |
426 | |||
| 37 |
Van Rensburg Incpvanren.co.za
Market leader in Property Law, offering a wide range of legal services with a focus on providing exceptional and personal client service |
419 | |||
| 38 |
SHAPIRO SHAIK DEFRIES AND ASSOCIATESssda.co.za
A leading collections and recoveries business in South Africa, offering tailored strategies for various industries with a focus on data and analytics |
401 | |||
| 39 | 393 | ||||
| 40 |
Spoor & Fisherspoor.com
Specializing in intellectual property law, they handle trade mark, patent, and copyright prosecution and enforcement while creating protection strategies globally |
391 | |||
| 41 |
Plus 94 Researchplus94.co.za
Market research firm in South Africa and Africa, offering comprehensive research services with a focus on professionalism, integrity, and actionable insights |
389 | |||
| 42 |
PESCOpesco.za.net
Specializing in consulting services for the mineral processing industry with expertise in geology, mining, beneficiation, marketing, plant audits, and technical training |
379 | |||
| 43 |
Fighting Youth Unemploymentlinktr.ee
Recruitment organization providing solutions through social media, focusing on fighting youth unemployment and promoting diversity in all business sectors |
366 | |||
| 44 |
Afrishore BPOafrishorebpo.com
Afrishore provides compliant outsourced contact center solutions and BPO services globally, melding technology with skilled professionals to ensure high-quality service |
354 | |||
| 45 |
MLC Groupmlc-group.com
A global firm providing quantity surveying and construction cost consulting services with over 8,000 projects completed across five continents since 1936 |
345 | |||
| 46 |
Joe Publicjoepublic.com
Majority black-owned independent agency providing integrated creative services including digital, PR, media, and design to grow people and clients through purposeful creativity. |
326 | |||
| 47 |
Accenture in South Africaaccenture.com
The company enforces community guidelines to promote positive engagement, block users for violations, and maintain an inclusive online environment |
316 | |||
| 48 |
Falcorp Technologiesfalcorp.co.za
Empowering businesses in South Africa with cutting-edge technology solutions through strategic partnerships, expert skills, and innovative thinking in IT services |
312 | |||
| 49 |
JG Afrika (Pty) Ltdjgafrika.com
A leading engineering and environmental consultancy in South Africa offering civil, structural, and environmental services throughout Africa and abroad with a team of 300 professionals |
240 | |||
| 50 |
Jones & Wagener (Pty) Ltdjaws.co.za
Specialist consulting engineers and scientists offering innovative, environmentally supportive solutions in structural, geotechnical, mine infrastructure, waste, tailings, and environmental engineering |
225 | |||
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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 12, 2026.
More company lists in Gauteng
- The largest companies in Gauteng 1,018
- Multinational companies in Gauteng 268
- Financial services firms in Gauteng 137
- Financial Services companies in Gauteng 119
- Manufacturers in Gauteng 109
- Retail chains in Gauteng 104
- Critical infrastructure operators in Gauteng 79
- Corporate groups and holding companies in Gauteng 75
- IT Services and IT Consulting companies in Gauteng 68
- Distributors and wholesalers in Gauteng 67
- Companies with a mobile app in Gauteng 58
- Public sector organisations in Gauteng 53
- Publicly traded companies in Gauteng 52
- Education providers in Gauteng 49
- Consulting firms in Gauteng 40
- Hardware manufacturers in Gauteng 39
- IT services companies in Gauteng 39
- Mining companies in Gauteng 38
- Subscription businesses in Gauteng 38
- Companies with in-house R&D in Gauteng 35
- Logistics companies in Gauteng 33
- Franchise networks in Gauteng 32
- Retail companies in Gauteng 32
- E-commerce companies in Gauteng 29