Corporates do not buy from small businesses because they are small. They buy because a supplier is reliable, compliant and easy to transact with, and those three things are largely within your control. The businesses that break into corporate supply chains usually did the unglamorous preparation first and approached second.
This is the second part of our guide to enterprise and supplier development.
Get onto the vendor system
Corporates buy through procurement systems, and getting loaded as a vendor requires registration with current annual returns at the Companies and Intellectual Property Commission, a tax compliance status, banking details in the company name, a B-BBEE affidavit or certificate, and often insurance and health and safety documentation.
Until you are on the system, nobody can raise a purchase order for you regardless of how much they like your product. This step is usually the entire barrier.
Reliability is what they are actually buying
A corporate cannot absorb a missed delivery or variable quality, because it becomes their failure to their own customer. A supplier who is slightly more expensive and never late will beat a cheaper unreliable one every time.
Consistency requires documented process and known capacity. Knowing exactly how much you can deliver per week, and declining volume beyond it, protects the relationship.
Use supplier development as the door
Large companies carry obligations to develop small suppliers, and those programmes frequently fund certification, provide mentorship and attach an actual contract. That combination is worth far more than a cash grant.
Approach transformation or procurement teams directly, since most programmes are not advertised. Free help reaching the required standard is available through the Small Enterprise Development and Finance Agency.
Plan for the payment terms
Corporates pay on terms while you fund inputs upfront. A supplier who wins a large contract without working capital fails while holding a signed order, which is the most avoidable failure in this whole process.
Agree terms before accepting volume, consider purchase order finance against the confirmed order, and never accept more than you can fund and deliver.
Frequently asked questions
What stops small suppliers getting corporate work?
Not being loaded on the vendor system. Registration, tax compliance, banking, B-BBEE status and insurance documents are the gate.
What do corporates actually value most?
Reliability. A slightly more expensive supplier who never fails beats a cheaper unreliable one.
How do I find supplier development programmes?
Approach transformation or procurement teams of large companies in your sector directly. Most are not advertised.
What is the main financial risk?
Payment terms. You fund inputs upfront while the corporate pays later, which can end a business holding a signed contract.
Should I accept any volume offered?
No. Accepting more than you can fund and deliver damages the relationship more than declining does.
Further reading
Originally published in February 2018. Updated September 2026 into guidance on becoming a supplier corporates can actually buy from.
