
From Testing to Trust
TCC is a leading Saudi specialist in testing, commissioning, and maintenance of substations and power plants.
We combine technical expertise, advanced technology, and precision to ensure safe, reliable, high-performing power systems.
From testing to energization and beyond, we deliver confidence at every connection.

Engineering Reliability. Powering Confidence.
About Us.
Testing & Commissioning Company (TCC) is a leading Saudi specialist in testing, commissioning, maintenance, diagnostics, and engineering support for substations and power plants across the Kingdom.
With an experienced team of skilled engineers and advanced testing technologies, we deliver precise and reliable solutions for complex, high-voltage power systems. From initial testing and system validation to commissioning, energization, and long-term maintenance, we ensure every component performs safely and seamlessly within the wider network.
Our commitment goes beyond project execution. We work as a trusted technical partner, helping clients and EPC contractors achieve reliable performance, operational efficiency, and long-term system resilience.
Aligned with Saudi Vision 2030, TCC continues to invest in expertise, innovation, and technology to support the Kingdom’s growing energy infrastructure and deliver power systems you can trust.
Our Vision
Our mission
To be the region’s leading testing and commissioning partner, setting the benchmark for reliability, innovation, and excellence in power plant and substation services.
We are committed to creating lasting value through safety, expertise, innovation, and responsible practices, supporting the Kingdom’s journey toward a stronger and more sustainable future.
Social responsibility






To deliver precise, efficient, and high-quality testing, commissioning, and maintenance solutions that ensure the safety, performance, and reliability of power systems.
TCC is committed to supporting Saudi Arabia’s Vision 2030 by contributing to the development of a reliable, efficient, and future-ready energy infrastructure.
Through our expertise in testing, commissioning, maintenance, diagnostics, and engineering support, we help ensure that critical power systems perform safely, efficiently, and reliably.
By combining local expertise, advanced technology, and a commitment to excellence, TCC plays its part in powering the Kingdom’s continued growth and transformation.
Powering the Vision
Advanced Technology and Equipment
Technology That Powers Precision
Testing equipment and advanced technologies tailored for mega power plants and high-voltage substations. Our high-precision tools ensure accurate results, efficient execution, and full compliance with industry standards.
By continuously investing in modern technology, we enhance reliability, minimize downtime, and seamlessly support the requirements of leading power and EPC contractors.











meet our clients
We are proud to work alongside leading organizations across Saudi Arabia’s energy and infrastructure sectors. Our growing client portfolio reflects the trust placed in TCC to deliver reliable, precise, and high-quality solutions for critical power projects.
Together, we support the Kingdom’s power infrastructure and contribute to a more reliable, high-performing energy future.
Our Services
At TCC, we provide integrated testing, commissioning, maintenance, diagnostics, and engineering solutions for substations and mega power plants across Saudi Arabia. Our experienced team and advanced technologies ensure every system is tested with precision, commissioned with confidence, and maintained for reliable long-term performance.
From testing to troubleshooting, from commissioning to continuous maintenance — TCC keeps critical power systems performing at their best.

Maintenance, Diagnostics & Troubleshooting
Preventive & corrective maintenance
Predictive and condition-based maintenance
Electrical diagnostics & fault finding
System troubleshooting and performance testing
Root-cause analysis
Equipment condition assessment
Performance optimization
Technical reporting & recommendations
Comprehensive maintenance and diagnostic services designed to keep critical systems reliable, efficient, and operational while minimizing unexpected failures and downtime.

Testing Services
Protection System Testing
Transformer Testing
GIS Testing
Switchgear Testing
Cable Testing
System Accuracy & Performance Verification
Safety & Compliance Testing
Comprehensive testing of protection systems, transformers, GIS, switchgear, and cables to ensure accuracy, safety, and compliance

Commissioning Services
Pre-Commissioning
Full Commissioning
System Integration
Energization Support
System Validation
Project Delivery Support
Full pre-commissioning and commissioning, system integration, and energization support for smooth and reliable project delivery.

Engineering & Project Support
Design & Re-Design
Diagnostics & Troubleshooting
System Upgrades
Project Coordination
Engineering Support
Technical Project Support
Design and re-design, Diagnostics, troubleshooting, system upgrades, and full projects coordination to ensure efficient execution and optimal performance.
Get in touch
Address
RCRA7599 - 1st Floor - TCC HQ
Riyadh, Saudi Arabia
Contacts
+966 11 276 6655
info@TCC-Saudia.com
© 2026 Testing & Commissioning Company. All Rights Reserved.
