Unitech SA is a leading building contractor in Johannesburg and Gauteng. We deliver exceptional construction services across residential, commercial, and industrial sectors. Our team of skilled professionals combines modern technologies with sustainable practices to build with quality, safety, and integrity.
Over the years, we’ve built a reputation for transparent communication, competitive pricing, and on-time delivery. From family homes to large industrial facilities, our work reflects durability and attention to detail.
Why Choose Unitech SA as Your Building Contractor in Johannesburg?
At Unitech SA, we take pride in being trusted house building contractors, offering more than just construction services. We provide complete solutions tailored to your project needs.
When you work with us, you can expect:
- Experienced professionals with decades of expertise
- Full-service construction for homes, offices, warehouses, and factories
- Transparent processes and detailed project planning
- A strong commitment to sustainability and safety
Every project receives our personal attention from start to finish. That’s why so many of our clients return to us for their next build.
Comprehensive Building Services in Johannesburg and Gauteng
We offer a full suite of construction services to meet diverse needs:
- Residential construction – from modern family homes to luxury estates
- Commercial developments – office blocks, retail spaces, and mixed-use projects
- Industrial projects – warehouses, factories, and specialized facilities
- Renovations & extensions – kitchens, floating staircases, patios, garages, and full remodels
- Maintenance – protecting the value and longevity of your investment
- Our approach ensures every build, big or small, receives the same level of quality and precision.
Project Portfolio – Building Across Johannesburg
Our portfolio reflects the wide scope of projects we’ve successfully completed across Gauteng:
- Irene Farm Villages – New Homes: From greenfield sites to complete family homes with modern finishes.
- Bryanston Renovations: A full revamp including kitchens, floating stairs, and patio redesigns.
- Bedfordview Alterations: Modernizing established homes with contemporary style and structural upgrades.
- Industrial Warehouses & Factories: Purpose-built facilities designed for efficiency, safety, and compliance with industry requirements.
- Each project demonstrates our ability to adapt to unique client needs while delivering on time and within budget.
Expertise Across All Types of Construction
We have the proven ability to manage projects across every sector:
- Residential – Stylish, practical homes built to suit your lifestyle.
- Commercial – Efficient and attractive office spaces, retail outlets, and business parks.
- Industrial – Durable warehouses, factories, and specialized facilities designed for performance and compliance.
Our multi-sector expertise means we can handle complex projects that require coordination across different disciplines.
Quality, Safety & Sustainability – Our Core Values
We build with three priorities in mind:
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High Quality – High-grade materials and skilled workmanship ensure lasting results.
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Safety – Strict site protocols and continuous training protect workers and clients.
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Sustainability – Energy-efficient materials and eco-friendly methods reduce costs and environmental impact.
These values guide every decision we make on site.
Transparent Processes & Client Satisfaction
We believe home building should never feel uncertain. That’s why we keep clients informed at every stage with clear communication, detailed costings, and realistic timelines.
By welcoming feedback and tailoring solutions to budget and scope, we build relationships that last as long as our structures.
Building Contractors Johannesburg – Frequently Asked Questions
How do I choose the right building contractor in Johannesburg?
Look for experience, a proven portfolio, and transparency. We provide certifications, references, and detailed planning before work begins.
What services does Unitech SA provide as a building contractor in Johannesburg?
We offer residential, commercial, and industrial construction—including homes, offices, warehouses, and factories—as well as renovations and maintenance.
How long will my project take?
It depends on the size and complexity. We provide a clear timeline after site assessment and keep you updated at every milestone.
Do you handle permits and compliance?
Yes. We manage all approvals, safety regulations, and SANS compliance, ensuring your project runs smoothly.
Do you build sustainable homes, offices, or factories?
Yes. We recommend eco-friendly, energy-efficient materials that lower running costs and reduce environmental impact.
How does pricing work?
We provide itemised, transparent quotes with clear allowances and contingencies. No hidden costs.
Contact Unitech SA – Start Your Build Today
Whether you’re planning a new family home, a retail space, or a large warehouse, we’re here to make it happen. Contact us today to discuss your project. We are members of the National Home Builders Registration Council and we build with integrity, expertise, and your satisfaction in mind.

We are the #1 building contractor in Johannesburg that you can rely on!
Office: 010 023 0507
Business Whatsapp: 079 526 1950
Email: admin@unitechsa.co.za
Norman Koster – 066 239 0382
Desiree Koster – 082 608 2291

