| Atlas Bear | Bedford Gardens | Wholesale | |
| Atlas Printers | Durban | Printing | |
| Atlassia | | Real Estate | |
| Atmosphere Communications | Cape Town | Public Relations, Social Media Campaigns, Brand PR | |
| Atom Signs | Johannesburg | Signage,Branding;Vehicle graphics,Banners etc | |
| Atomic Access | Cape Town | Fibre Internet | |
| Atomic Branding PTY LTD | Johannesburg | Automated Screen Printing/Promotional Clothing | |
| Atomic Media | Gqeberha | Advertising Agency | |
| Atrax Logistics | Isando | Logistics & Ecommerce Fulfilment | |
| AtripleA Recruitment | Pretoria | Recruitment | |
| AtripleA Recruitment & Temps | Pretoria | Recruitment, Temps, Perm,Jobs | |
| AtripleA Recruitment and Temps | Pretoria | Recruitment Perm and Temps | |
| ATS AFRICA | Pretoria | Facilities Maintenance. | |
| Attention2Detailing | Kitchener | Car detailing | |
| AtticSalt | Web Design | Hosting | Graphic Design | Johannesburg | Graphic Web Design Domains Hosting | |
| Attuned Consulting | Johannesburg | Psychology - Personal & Professional Guidance | |
| ATV Canli Izle | | ATV Canli Izle Canli TV Izle | |
| Aucor Property | Johannesburg | Real Estate Auction Experts | |
| Audio and Video Transfer Services | Cape Town | Audio, video and film transfering | |
| Audio Militia | Johannesburg | Original composition,final mix,radio,sound design | |
| Audio Visual Lab | Durban | Marketing | |
| AUDIOBOX Sound Design | Cape Town | Digital Audio Post Production Facility | |
| Audioscapes Corporate Broadcasting | Cape Town | Retail Radio | |
| Audiotorch | Pretoria | Sound lighting for events | |
| Audiovisual Technology Hire South Africa | Johannesburg | Audiovisual Event Technology Hire South Africa | |
| Augment and Recruit | Johannesburg | IT Consulting, Staffing and Recruitment | |
| Augment HR | Cape Town | HR & Talent Consulting | |
| Augustine & Co | Melbourne | Immigration Lawyer | |
| AULAX DISTRIBUTORS | Cape Town | IATA/UN packaging for medical samples | |
| Aum Voice Artists | Durban | Voice over recording. Voice artists.Sound and vide | |
| AumRecording | Durban | Recording,editing,mastering,production,music | |
| Aura Capital Consultancy | Jeffreys bay | Business & media management and brand ambassading | |
| Aura Skin Care Clinic | Johannesburg | Skin care clinic | |
| Aurik Business | Johannesburg | Business Growth Services and Funding | |
| Aurora Outdoors | | Home Improment | |
| Austi LED Corp | | China,Shenzhen | |
| Austral Salon | Columbia | Austral Salon | |
| Australia Disability Services | | Australia Disability Services | |
| Australian Family Dental | Broadmeadows | Dental care | |
| Authors Crew UK | | Authors Crew UK | |
| Auto Glass Cape Town | Cape Town | Auto Glass Cape Town | |
| Auto Thread Repair | Derdepark | Mobile Stripped Thread Repair | |
| Autoglassdallas | | Mid Cities Auto Glass | |
| Autograph Management | Cape Town | Business Development Digital Media Virtual Events | |
| Autographics | Cape Town | Web Design and Hosting | |
| Automotive Garage Supplies | Cape Town | Automotive Workshop Equipment | |
| Automutive Services Heddon Greta | Heddon Greta | Automutive services Heddon Greta | |
| Autonomous Pty Ltd | Johannesburg | Graphic Design/Branding/Digital/Marketing | |
| autoOnes.com | | Auction Sheet Verification | autoOnes.com | |
| Autoway Car Hire | Swellendam | Car rental in Cape Town | |
| AutoX | Johannesburg | Manufacture & distribute automotive batteries | |
| AUX Studio | Cape Town | user experience, rapid prototyping, usability | |
| Auxo Digital | Midrand | Software Development | |
| AV Group | | Marketing | |
| AV Publishing | Pretoria | Book Publishing | |
| AV Transfers - Audio Video Cine Transfer services | Cape Town | 8mm and 16mm cine film telecine service | |
| Av2 Systems | Cape Town | Filemaker Pro sales and support | |
| Avalance Computer Services | Cape Town | Computer repairs, sales, upgrades, network install | |
| Avatar.DBN | | Design Studio, Digital, Social Media, Animation | |
| AVC -Audio Visual Centre | Northriding | AV Equipment Rentals | |
| AVDesigners | Port Elizabeth | Audio Visual suppliers | |
| Avecon Consulting | Henley on Klip | Build and install new radio studios, OB vehicles | |
| Avenue Coffee House | | Coffee shop | |
| Avert It Distribution | Randburg | Software and Security Appliance Distributor | |
| Avian Technologies | Sandton | Business Development Services | |
| Aviation Academy | | training | |
| Avict Consulting | | Product Development and Product Marketing Consulti | |
| Avitech Systems | Port Elizabeth | Audio and AV Integration | |
| AVM Storage and Shipping | Cheltenham | AVM Storage and Shipping | |
| Avron Properties t/a Montague Gardens Property | Cape Town | Industrial and commercial property sales and letti | |
| AVT Cape Town | Cape Town | Home automation, audio visuals installation | |
| Avuxeni Packaging | Hazyview | Supplier of all dipposable packaging | |
| Awning Warehouse | Johannesburg | Awning Supplier | |
| AWPower | Cape Town | Solar energy company | |
| Axis Careers | | Axis Overseas Careers | |
| Axis Learning | Bryanston | Axis Learning | |
| Axis Learning. | Sandton | Education, Learning, Teaching | |
| AYA Africa | | Find everything Africa on AYA | |
| Ayvee Media | East London | Billboards & trailer advertising natiowide. | |
| AZ Manufacturing Cape Town | Cape Town | Miningequipment dealer | |
| AZAM KHANS SOUND,STAGE LIGHTING&AV HIRE | Durban | HIRE & SALES SOUND BIG SCREENS | |
| AZAMS AUDIO VIDEO & DECOR | Durban | SOUND LIGHTING BIG SCREENS DECOR STAGEING | |
| Azania Mall | Johannesburg | Trading platform for multiple sellers and buyers | |
| Azapak | Paarl | Manufacture 3 ply face masks and wet wipes | |
| Azapi Online Marketing Agency | Bellville | Azapi IT Services (PTY) Ltd. | |
| Azazile Media Group | BLOEMHOF | Digital and Media Production | |
