A weak economy is not weak everywhere at once, and the sectors that keep growing through one share identifiable characteristics: they serve demand that does not postpone, they benefit from infrastructure already committed, or they gain from the very pressure hurting everyone else. Knowing which is which is more useful than any general outlook.
Financiers who lend across sectors make this point repeatedly, because they see which borrowers keep paying when conditions turn.
Connectivity keeps growing regardless of the cycle
Network infrastructure and the services around it continue expanding through weak periods because the investment is committed years ahead and the demand underneath it does not fall. For a small business, the accessible opportunities are in installation, maintenance, technical support and the services that sit on top rather than in owning infrastructure.
Food demand does not postpone
Agriculture and agro-processing hold up because people do not stop eating during a downturn, and a weaker currency makes exporting more attractive at exactly the moment local demand softens. The constraints are weather, water and capital rather than demand, which is a very different risk profile from most sectors.
Economic pressure concentrates people, which creates property demand
Difficult conditions push people toward cities and established business nodes rather than away from them, which sustains demand for commercial and industrial space in those areas even while sentiment is poor. Smaller, more flexible spaces do better in these periods than large long-lease premises.
Cost pressure creates demand for things that reduce cost
Any business whose product measurably lowers a customer’s costs sells better when customers are under pressure, not worse. Energy efficiency, maintenance that extends asset life, outsourced functions and anything that converts a fixed cost into a variable one all benefit from a downturn.
Match the sector to what you can actually finance
Some of these sectors need heavy capital and long payback, others need skills and a vehicle. An owner should pick by what they can fund and survive rather than by growth rate, and should read the sector-level output data published by Statistics South Africa instead of relying on sentiment, which lags the actual numbers.
Frequently asked questions
Which sectors tend to hold up in a weak economy?
Connectivity infrastructure and its services, agriculture and agro-processing, commercial and industrial property in established nodes, and anything that reduces a customer’s costs.
Why does connectivity keep growing through a downturn?
Because the infrastructure investment is committed years in advance and the underlying demand does not fall with the cycle.
What makes agriculture different?
Food demand does not postpone, and a weaker currency improves export returns at the same time local demand softens. The risks are weather, water and capital rather than demand.
Why does property demand hold up when sentiment is poor?
Because economic pressure pushes people toward cities and established business nodes, sustaining demand for space in those areas.
How should an owner choose between these sectors?
By what they can finance and survive rather than by growth rate, since capital requirements and payback periods differ enormously between them.
Further reading
Originally published in August 2017. Updated September 2026 to explain why these sectors hold up rather than tying the list to one year’s conditions.
