HBS Software Solutions · 13 Aug 2026
The Rand Tax on South African Software
A 20-person South African firm can carry more than R20,000 a month in foreign-currency software subscriptions. Working through what an eight-tool stack actually costs once the exchange rate is applied.

A 20-person South African professional-services firm can easily spend more than R20,000 a month on business software.
The surprising part is not necessarily how many tools the business uses. It is how quietly the cost builds.
Project management, CRM, time tracking, team communication, cloud storage, support software, video meetings and AI are often bought one subscription at a time. A few dollars per user here, another platform fee there.
Eventually, the business is carrying seven or eight recurring subscriptions, most of them priced in US dollars.
That creates a cost South African companies rarely calculate properly: the rand tax.
It is not an official tax. It is the additional cost and uncertainty a South African business takes on when it earns its revenue in rand but pays essential operating expenses in foreign currency.
And the numbers add up quickly.
What an eight-tool software stack can cost
Take an illustrative 20-person professional-services firm using a fairly typical collection of international software.
Using current published prices, a stack containing Slack, Asana, Toggl, Dropbox, ChatGPT Business, Zoom, HubSpot and Zendesk can cost roughly $1,473 a month, depending on the number of licences required for each platform.
At an exchange rate of around R16.18 to the dollar, that works out to approximately:
R23,800 per month.
That is around:
R286,000 per year.
And that is before enterprise plans, additional storage, premium functionality or extra licences are added.
The business has effectively created a recurring foreign-currency liability simply by assembling the software it needs to operate.
The exchange rate changes the bill without changing the software
This is where the rand tax becomes particularly important.
The dollar subscription price may stay exactly the same, but the rand price does not.
South African Reserve Bank and SARS exchange-rate data show how dramatically USD/ZAR has moved over the last few years. The average rate was around R17.09/$ in January 2023, moved above R19/$ during parts of 2023 and 2025, and has since strengthened again.
For a company with a fixed dollar software bill, those movements matter.
Using the same illustrative $1,473 monthly software stack, and applying actual monthly exchange-rate movements across 2023 to 2025, the total rand cost comes to roughly R966,000 over three years.
If the January 2023 exchange rate had remained unchanged for that entire period, the equivalent cost would have been approximately R906,000.
That is a difference of about:
R60,000
The business did not necessarily add employees.
It did not necessarily upgrade its software.
It did not receive R60,000 worth of additional functionality.
The currency moved.
That is the rand tax in practice.
Software prices can rise as well
Currency exposure is only one side of the problem.
International SaaS vendors can also increase their prices in dollar terms.
When that happens, South African businesses can be hit twice.
A $100 subscription becomes $110 because the vendor increases its price. If the rand then weakens, the South African cost rises again.
It means software inflation and currency movement can compound each other.
For a small or medium-sized firm, that extra spend matters. Tens of thousands of rand over several years could have gone towards another employee, marketing, equipment or product development.
Instead, it disappears into maintaining the same software stack.
The bigger problem is fragmentation
Cost is not the only issue.
Seven or eight subscriptions also mean seven or eight systems holding different pieces of the business.
Projects live in one place. Clients live somewhere else. Time tracking has its own database. Support tickets sit in another platform. Team conversations happen somewhere else again, while AI operates outside all of them.
Businesses end up paying more while their information becomes increasingly fragmented.
That is exactly the problem we wanted to address with Dooable.
Dooable brings projects and tasks, CRM, support tickets, time tracking, collaboration and AI into one connected business workspace.
More importantly for South African companies, it is priced in rand.
A 20-person team on Dooable's published plans can cost a fraction of what an equivalent collection of international subscriptions may cost, depending on the functionality the business requires.
The point is not that every company should immediately cancel every international tool it uses.
The point is that South African businesses should start doing the calculation.
Add up every software subscription.
Convert the total into rand.
Calculate the annual figure.
Then look at what exchange-rate movement has done to that number over three years.
For many businesses, software is no longer a collection of small monthly subscriptions.
It is a major operating expense tied to a currency they cannot control.
That is the rand tax. And most businesses only notice it once they finally add up the bill.
Read more
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