Quick Answer What Is a Small Business Corporation (SBC) for Tax? A Small Business Corporation (SBC) is a company that meets SARS‘s qualifying rules – gross income of R20 million or less, natural-person shareholders, not a personal service provider – and in exchange pays reduced tax: 0% up to R99,000 profit, then 7%, 21% and 27% (2026/27). What this means in plain language SBC is not a registration – it is a tax status SARS applies automatically at assessment if your company qualifies. The savings are real: at R400,000 profit, an SBC pays about R25,970 instead of R108,000 at the flat 27% rate. The disqualifiers catch people: investment income above…