The best debt is the one you never have to chase. Because South Africa has no Security of Payment Act, everything that protects your money has to be built into the deal before you start: a payment guarantee, a cession of the right to be paid, retention of title over your materials, a direct-payment agreement with the employer, and milestones with written sign-off. None of these can be bolted on after the job goes wrong. Here is the toolbox, and which tool fits which job.
1. Payment guarantees
Ask the employer or main contractor to put up a bank or surety guarantee for your portion of the work: an instrument that pays you on demand if a certified amount is not paid within the stipulated time. Guarantees are routine on large contracts (the JBCC suite provides for construction and advance payment guarantees at main-contract level; documents at the JBCC) but they can be negotiated on smaller ones too. The party providing the guarantee pays the bank or surety a premium, typically quoted around 1 to 4% of the guarantee value per year (a market range; pricing varies). If they refuse outright on a big contract, ask why, and price the refusal into your risk.
2. Cession of book debts
Under a cession, the main contractor (the cedent) transfers to you (the cessionary) its right to receive payment from the employer, as security for what it owes you. The mechanics matter:
- Put it in writing: the contractor cedes its right to receive a stated amount from the employer to you.
- The cession binds you and the contractor immediately; notice to the employer is not required for validity between you.
- Notify the employer anyway. Until the employer knows, it can validly pay the contractor, and the money can vanish. Once notified, the employer can only discharge that debt by paying you.
One caveat: how a cession interacts with the business rescue moratorium (section 134 of the Companies Act 71 of 2008, via the CIPC) is legally unsettled, with commentators split on whether ceded book debts fall inside the restriction. A cession is strong protection against non-payment, but do not rely on it as your only shield against a collapsing contractor (see When the Main Contractor Goes Insolvent).
3. Retention of title over materials
If you supply and fix materials (a tiler supplying tiles, an installer supplying windows), put a retention-of-title (ROT) clause in your quote: ownership of the materials does not pass until you are paid in full. Know its limits:
- Once materials are incorporated into the building, they become part of the immovable property and the ROT clause loses its bite. You cannot un-tile a bathroom.
- ROT works best for materials delivered to site but not yet fixed, while they are still separately identifiable. You can lawfully remove those if payment fails.
- Because the protection evaporates at installation, pair ROT with another tool (a guarantee or cession) rather than relying on it alone.
4. Direct-payment agreements
Normally there is no contract between a subcontractor and the employer, so the employer owes you nothing and is at risk if it pays you voluntarily (it may end up paying twice). The fix is an express written agreement: the employer undertakes to pay you directly, up to a stated amount, if the main contractor fails to pay within a set period. The JBCC Principal Building Agreement contains a mechanism along these lines for nominated and selected subcontractors; the exact workings depend on your edition, so read the clause rather than assuming.
The practical move: before work starts, get a short written confirmation of the direct-payment arrangement signed by the employer and countersigned by the main contractor, and file it somewhere safe.
5. Milestones with written sign-off
The cheapest tool of all: structure payment in stages tied to measurable progress, with a signature at each stage. A deposit on signing, payments on defined milestones, and written sign-off before each invoice. Small certified steps mean a default costs you weeks of work, not the whole contract value (deposit norms and CPA rules in Quotes, Deposits and the CPA).
Matching the tool to the job
- Bank payment guarantee: larger projects, roughly R500,000 up; costs a premium and admin, but pays on demand.
- Cession plus notice to the employer: mid-sized projects; cheap to run once drafted, get the wording done professionally.
- ROT clause: every supply-and-fix quote; free to include.
- Direct-payment agreement: nominated and selected subcontract setups; negotiate before starting.
- Milestones and sign-off: every job, every size.
- Lien strategy: site-based work; free but operationally demanding, since it depends on keeping possession (see The Builder's Lien).
Worked example
Thandeka supplies and installs R450,000 of aluminium windows on a residential development. Before starting she does three things. Her quote carries an ROT clause: "Ownership of all materials supplied remains with Thandeka Windows CC until payment in full." She signs a cession of the main contractor's right to receive R450,000 from the developer and immediately notifies the developer in writing. And she asks for retention to be backed by a retention guarantee rather than cash. When the main contractor later defaults, the notified developer must pay her directly under the cession; windows still stacked on site are hers to remove under ROT; and the installed windows are covered by the cession claim, backed by her lien while she still holds her work areas.
Common mistakes
- Doing the security paperwork after the first missed payment. Every tool here only works if it is in place before the money is owed.
- A cession with no notice to the employer. The employer pays the contractor, the money is gone, and your cession chases a shell.
- Relying on ROT for installed materials. Fixed means gone; ROT is a pre-installation tool.
- Paying for work informally certified. No written sign-off, no liquid claim later.
- Accepting "we have never needed guarantees" as an answer. That is exactly the counterparty who needs one.
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