Systems, data,
and risk modelling,
built to run.

We are a technology consultancy working at the intersection of software, data, and risk. We'll help you find the opportunity in the problem.

Systems that ship Data architecture Risk consulting & modelling

What we do

Three practices we run together on the same engagement, rather than handing off between teams.

Systems

System development

Custom software built properly: applications, platforms, and integrations that run day after day, whether or not there is a model behind them.

  • Custom applications and internal platforms
  • Systems design and integration
  • APIs, automation, and tooling
  • Maintainable, tested delivery
Data

Data architecture

The foundation everything else runs on: ingestion, storage, and governed data that analysts and applications can actually trust.

  • Data lake and warehouse design
  • Pipelines and orchestration
  • Data quality and governance
  • On-premise and cloud deployment
Risk

Risk consulting & modelling

Quantitative models and the advisory around them, built to survive validation and regulator scrutiny.

  • Credit and market risk modelling
  • IFRS 9 and regulatory alignment
  • Stress testing and scenario work
  • Model validation and governance

How an engagement runs

Four stages, each ending in something you can hold us to.

  1. 01

    Scope

    We work out what decision you are actually trying to improve, what data exists behind it, and where the risk sits. Often this shortens the job.

    Ends with a fixed-price proposal
  2. 02

    Design

    Architecture and modelling approach on paper before any code. Definitions, assumptions, and what counts as success get agreed here, not argued about later.

    Ends with a signed-off design
  3. 03

    Build

    Short cycles you can see. The pipeline, tests, and monitoring are built alongside the model rather than bolted on once it works.

    Ends with a working system in staging
  4. 04

    Run

    Into production, watched for drift, documented, and handed over. We stay on until it runs without us, which is the part most projects skip.

    Ends with a system your team owns

Where we work

Regulated, data-heavy sectors where the systems have to work and the numbers have to be right. Our home ground is South African financial services, and we work outward from there.

Banking & financial services
Insurance
Healthcare & life sciences
Retail & consumer goods
Manufacturing
Technology & software
Transport & logistics
Public sector
Energy & utilities
Don't see your industry? Talk to us anyway

Our products

LocalMind is live in beta. A few more are close behind.

In betaPreview coming soon
Our own platform

LocalMind

An AI platform that runs entirely on your own hardware. Documents are indexed, searched, and answered on site, so nothing leaves the building and nothing is sent to a third-party model provider. Built for organisations that have to answer to POPIA about where their data sits.

Deployment on-premise Licence one-time, plus support Data stays on your network Status in beta
Request a demo

More on the way

DataIn build UnifyQL

Pulls data from every system a business runs on into one governed source of truth, so every analyst and service works from the same numbers instead of multiple competing sources.

Risk analyticsIn build Risk modelling platform

Enable automated data science capabilities. Autonomous data analysis, feature engineering and model building plus the documentation and validation trail needed to defend them internally and to a regulator.

Insights

Writing on systems, data, and risk, and the practicalities of getting the work into production.

About CortechX

The gap between a problem and a system that actually solves it is where value is made or lost.

CortechX is a small, senior technology consultancy in Johannesburg. We were set up to close that gap for organisations where the software has to work and the numbers have to be right.

Most firms either advise or build. We do both on the same engagement, which is what lets us take a problem from the first workshop through to a working system in production, and stay accountable for the result.

We keep the team deliberately small so the people who scope your work are the people who do it.

Based in
Johannesburg, Gauteng
Practices
Systems · Data · Risk
Registered
CortechX (Pty) Ltd

Why CortechX?

We are not a large generalist firm that assigns juniors once the partner has signed the deal. Every person on your project has done the work before.

  • We build and we adviseMost firms do one. We understand the business problem and ship the software that solves it, so nothing is lost in the handover between them.
  • Outcome-based engagementsFixed-price proposals scoped to deliverables. You know what you are getting before we start.
  • Senior-led throughoutThe people who scope the work are the people who deliver it, from first workshop to handover.
  • Built to be maintainedTested, documented systems you can run without us, or with us if you would rather.

Our clients come back because we deliver, not because we are good at writing proposals.

Start a project

Tell us what you are working on. We reply within one business day with a straight view of whether we can help.

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