| Sabio Communications | Johannesburg | Public Relations | |
| Scoop Communications | Johannesburg | Public Relations | |
| Scoop Communications | Johannesburg South | Public Relations | |
| Serendipity Management | Pretoria | Promotions and Brand Activations | |
| Siyakhanya Leadership Africa | Johannesburg | Integrated brand and internal communications | |
| SJC Creative | Randburg | media communications/writing/photography/pr | |
| Stamp Communications | Sandton | PR | Communications | Video Marketing | |
| Story Studio Communications | Johannesburg | Environmental and science communication | |
| Swell Communications | Pretoria | Public Relations | |
| Sword Productions | Strand | Writing, interviewing, proofreading, editing | |
| Syntegrate | Johannesburg | Publicity & Content Development | |
| Teresa Settas Communications | Benoni | Public Relations, Crisis Communications | |
| The E Communications | Pretoria | Communications | |
| The Plain Language Institute | Johannesburg | Plain language services | |
| Through Line Communications | Communications | ||
| Tivisa Publicity | Book & Author Promotion | General PR | ||
| Turquoise PR & Marketing Communications | Johannesburg | Public relations | |
| Tutone Communications | Johannesburg | PR, Marketing and Events | |
| Ulivo & Co Communications | Johannesburg | Public Relations and Communications | |
| urban espresso | Public Relations | ||
| Use Lorem Ipsum | Copy Writing & Editing | ||
| VQ Communications Agency | Pretoria | PR and Communications | |
| Wandile Media | Johannesburg | Public relations and marketing | |
| Write Scene | Johannesburg | Public Relations | |
| Write Skills | Randburg | Editing, Proofreading, Writing, Minuting, Scribing |
