At Steyn-Wilson Laboratories, we understand the pressures consulting engineers, contractors and project managers face on major infrastructure, construction, and mining projects. Deadlines are tight, standards are strict, and reliable test data is non-negotiable.
That’s why we’ve built our reputation on three promises:
Unmatched efficiency
Results when you need them.
Impeccable quality
ISO 17025:2017 accredited, with 100+ test methods under scope.
Uncompromising integrity
Ethical, transparent reporting you can trust.
Trusted by engineers and contractors across sectors
92+
Years of combined experience
Why choose Steyn-Wilson laboratories?
SANAS accredited
Tested to the highest international standards
Unmatched turnaround times
Results that match your project timelines
Proven expertise
Trusted by leading consultants and contractors since our founding
Personal service
Direct access to our expert team, every step of the way
Comprehensive testing
Asphalt, concrete, soil, aggregates, geotechnical, and more
Based in the Western Cape, we are proud to support engineers, contractors, and developers across South Africa and globally with testing solutions that keep projects moving forward.
Honesty. Fairness. Respect.
Trusted Across all Sectors
Our testing solutions are designed to support projects of every size:
Roads and bridges
Ensuring durability and compliance in transport infrastructure.
Buildings and developments
Supporting safe, sustainable construction.
Mining and industrial
Testing materials for strength and reliability under demanding conditions.
Public infrastructure
Partnering on large-scale projects that shape communities.
field Teams
Experts
Clients
Projects
fast, accurate, and ethical.
Partner with a laboratory that delivers results you can rely on seven days a week.
Office hours
Mon – Fri
8:00 – 17:00
Lab testing hours
Mon – Sun
All year round
Office hours
Mon – Fri
8:00 – 17:00
Lab testing hours