Live product
Tenders-SA
A procurement intelligence platform for South African businesses that need to find relevant opportunities, understand requirements and prepare a considered response.
Explore Tenders-SA ↗South African product engineering
We build and operate software for complex industries.
Custom Logic creates data platforms, intelligent business systems and workflow automation for organisations whose operations cannot be solved by ordinary off-the-shelf software.
Independent product engineering, built for real work
custom-logic / operating systemstatus: live systems
DiscoverFind the signal in difficult work.
UnderstandTurn information into useful decisions.
CoordinateConnect people, systems and next steps.
2,000+Tenders-SA registered users
Live productServing real procurement customers
South AfricanIndependent product engineering
Operating systemsData, search, AI and subscriptions
The registered-user milestone was reached in September 2026.
Owned products
We prove our approach in the products we operate.
Custom Logic builds its own platforms as well as selected systems for organisations with difficult workflows. That means our product and engineering decisions are grounded in the realities of launch, operation and improvement.
Enterprise Tenders-SA enquiry →What we build
Systems that make important work more workable.
We start with a business problem and connect every capability to an operational outcome.
Digital products
Customer-facing platforms shaped around a clear job to be done.
Business systems
Purpose-built workflows that connect operations, information and people.
Automation and integration
Reliable processing that removes repetitive work and connects systems.
Data and AI tools
Search, analysis and carefully applied assistance for better decisions.
Cloud delivery
Production systems designed for dependable operation and recovery.
Product improvement
Evidence-led iteration after the first useful version is in users’ hands.
How we work
Small loops. Clear decisions. Useful outcomes.
We keep the work close to the problem and make progress visible from the first conversation.
Find the real problem
Map the work, friction and outcomes before committing to a solution.
Make the right system clear
Define the smallest useful release and a practical delivery path.
Ship in useful increments
Build, validate and share progress early enough to learn from it.
Operate and improve
Use real evidence to keep the system valuable as the work evolves.
Custom Logic
An independent company built around useful software.
Custom Logic SA Pty Ltd is a South African product engineering company. We build and operate our own platforms while taking on selected work where the workflow, data or operational challenge needs a more purposeful system.
Our operating principle is straightforward: software earns its place by helping people make better decisions and get important work done.
Learn about the company →Start a useful conversation
Have a workflow, data problem or software product worth improving?
Tell us what is difficult today and select the conversation that fits.