Specialist IT & Security Engineering

IT support
for homes
and businesses.

Computer support, printer repairs and anti-malware for families, small businesses and corporate teams. Based in Kensington, Johannesburg, and serving Bedfordview and greater Gauteng. Remote support for South Africa and the United States.

Precision engineering. Sovereign infrastructure.

Call +27 (0)78 389-4091 · 8am – 5pm daily

Prometheus Systems: IT support in Johannesburg

Who we help

One workshop. Two kinds of customer.

At home

Help for your home computers

Friendly, plain-language help for families and home offices.

  • Slow, faulty or infected laptops and desktops
  • Printers that will not print
  • Home networking of any kind, and we will happily take it on
  • Virus and scam clean-up, and Bitdefender protection
  • Free quotations in our workshop
  • Remote, workshop or on-site help
For business

Support for your business

Dependable engineering for small businesses and corporate teams.

  • Managed support and support retainers
  • Bitdefender protection from a Bronze Reseller and MSP
  • Email security and on-premises malware scanning
  • Networks, UNIX and Linux infrastructure
  • All sorts of wifi and reticulation provided
  • Printer services and hardware maintenance
Engineer-Led
Talk to senior engineers, not scripts
Vendor-Agnostic
The right tool for the job
Home & Business
The same care for both
Kensington, Johannesburg
On-site care across Gauteng

About us

Everyday IT help for homes and businesses. Serious engineering when you need it.

At Prometheus Systems, we support the people behind the computers. A family laptop and a corporate server estate get the same engineering care.

We don’t push unnecessary hardware replacement cycles or hide behind bloated software frameworks. We engineer clean, highly maintainable, and secure solutions built to last.

From a slow laptop or a stubborn printer to robust, sovereign systems architecture, we are here to assist you with all your IT needs, no matter how small or complex.

What we do

Four disciplines. One standard of engineering.

Hands-on IT & End-User Support
Home & business
Hands-on IT & End-User Support
Laptop, desktop and printer support for home users and companies. Hardware and software, remote and on site.
Learn more
Unix & Linux Architecture
Business
Unix & Linux Architecture
Tailored deployments specialising in robust, resource-efficient infrastructure, high availability and secure systems management.
Learn more
Lightweight Digital Solutions
Business
Lightweight Digital Solutions
Light, blazing-fast, framework-free web and application development engineered for security and ease of maintenance.
Learn more
Data Sovereignty & Cybersecurity
Home & business
Anti-Malware & Cybersecurity
Bitdefender protection from a Bronze Reseller and MSP, plus on-premises, secure-by-design integrations that put privacy first.
Learn more
3Ways to get help
remote, workshop or on site
7Specialist services
home support to enterprise
8–5Open daily
seven days a week
R0Free quotations
in our Kensington workshop

Everyday help

The things that go wrong at home and in the office.

Laptops and desktops

Slow, noisy, frozen or failing. We find the cause and fix it, remotely or in our workshop.

Computer support

Printers

Printers that will not print, jam or lose the network. Repairs and maintenance for home and office.

Printer services

Virus and scam protection

Clean-up after an infection, and Bitdefender protection to help stop it happening again.

Anti-malware services

Hardware

We sell hardware, and we repair almost anything with a CPU.

Hardware sales

Laptops, desktops, workstations and servers, supplied and set up to suit your budget and your workload.

Hardware sales

Phones and tablets

Cracked screens, tired batteries, charging ports and liquid damage. Repaired in our Kensington workshop.

Repair services

Workstations and servers

Laptops and desktops to workstations, rack servers and storage arrays. Repairs, upgrades and parts.

Hardware support

Featured product · Malware detection

TriDefender

Multi-engine malware detection, on your infrastructure, under your control.

Multiple independent scanning engines run in parallel inside your own network and return a policy-driven verdict in milliseconds. Nothing leaves your network, ever.

Explore TriDefender
TriDefender · control panel
TriDefender Dashboard: live service status, active connections, and real-time threat scan volume
Mail Sentry · domain report (PDF)
Sample Mail Sentry domain authentication report showing SPF, DKIM, DMARC and BIMI results

Featured product · Email security

Mail Sentry

Stop anyone sending email that appears to come from your domain.

A fully managed 90-day roadmap from p=none to p=reject, with plain-language morning reports. Try the free lookup tool to see how your domain stands today.

Run a free lookup

The Prometheus advantage

Engineer-Led Solutions

You talk directly to senior engineers who solve root-cause architectural issues, not script-reading call center agents.

Vendor-Agnostic Integrity

We prioritize the right tool for the job. Our recommendations are driven strictly by performance, technical accuracy, and longevity.

Sovereignty First

We believe your core operational data belongs in your hands, building infrastructure designed to resist external dependencies.

Where to find us

Based in Kensington, Johannesburg

Our workshop is located in Kensington, Johannesburg (conveniently situated near the Bedford Centre and Eastgate Malls).

We serve homes and businesses with dedicated, on-site technical care across the Gauteng region, alongside comprehensive remote support for broader infrastructures.

Need IT support in Kensington, Bedfordview or greater Johannesburg? See where we work.

Find us

Let’s Make Your Day a Little Bit Easier.

Whether your laptop is slow, your office network is down, or you are auditing an enterprise system, we are ready to assist.

Help at homeHelp for business