Cornerstone Outsourcing

We Build It Right

From roads and drainage to large-diameter pipelines and commercial builds, quality assured.
8+
Years of Experience
Who we are

About Us

We build reliable infrastructure through strong partnerships. Our civil, pipeline, earthworks and building capability, backed by trusted civil, electrical and mining engineering consultants, ensures quality, compliance and value on every project.

Building your visions. Creating reality.

We turn plans into durable assets: roads, pipelines, earthworks and buildings delivered safely, on time and to specification.

Let’s Build Your Next Project.

We plan carefully, supervise closely and document thoroughly. Skilled teams, clear communication and tight site control keep projects safe, compliant and on programme from first excavations to final handover.

What we offer

Our Services

Civil Engineering

Water Retaining Structures: Sewage and water treatment plants.

Road Structures: Retaining Wall, Drainage, Barriers, Refurbishment of road surfaces, paving and kerbing installation, V-Drain installtion.

Concrete Structures: Concrete structures on mines, commercial buildings or any other application.

Earth works & Plant Hire

Excavation Filling and compaction of Foundation & Plaforms for Buildings and Civil.

Structures

Storm Water: Sewage and Large Diameter Water Pipelines.

Genertal Building Developments

Industrial, Commercial and Residential Buildings Low and middle income housing developments.

Roads

Surveying and Setting out of Road profiles and levels conducted in conjunction with a reputable firm.

Plant Maintenance

We offer various plant and underground maintenance: Boiler making, Steel Fabrication, Fabrication and maintenance of stainless steel products, Make layouts and jigs, plant work and development, working according to drawing specifications, Casing weilding, various installations and replacement of old steel tubes, platform and hand rails, CO2 welding, Casting of concrete(reinforcement shuttering, steel fixing), Shutdowns, Practising good housekeeping and general cleaning, general supplying

How we work

A straightforward process from first call to close-out: clear scope, disciplined planning, rigorous quality and safety, and transparent reporting so you always know where your project stands.

Free Consultations

Start with a no-obligation consultation. Share drawings or book a site visit; we assess feasibility, risks and options, then outline the best delivery approach.

Get Estimate Budget

Receive a detailed, itemised estimate with scope, programme and allowances. Pricing is transparent and exclusions are clearly stated, so there are no surprises.

Project Production

We mobilise skilled teams and reliable plant, manage safety and quality on site, and deliver to specification. Inspections, QA records and as-built documentation accompany every handover.

Why Choose Us

The earth is our foundation, the future is our ambition.

Proven experience

Decades of combined delivery across roads, pipelines, earthworks and building. We plan carefully, supervise closely and hand over to specification.

Certified Professional & Expert

Qualified supervisors, coded welders and trained operators. Up-to-date safety files, insurances and compliance documentation available on request.

We're fast, Accurate & Reliable

Tight programmes, precise setting out and disciplined site control keep projects on schedule. Rigorous QA with test results and complete as-builts.

Responsive Support

Clear communication from tender to close-out. Accessible managers, quick issue resolution and aftercare when you need it.

Featured Project

Engineering your dreams with us.

Sewer Treatement Plant
Mashishing
Rehabilitation
Lange Street
Emergency Maintenance
Giyani
Re-gravelling
D528
Emergency maintenance works
Mohlala road Mashishing
EXT 79 Lydenburg
Emaweni Phase 2

Trusted by 25,000+ world-class brands and organizations of all sizes.

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