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Our Certifications

Committed to Quality, Safety, and Environmental Excellence

At Hadi Nasser Al-Qahtani Company (HNQ), we believe that quality, safety, and environmental responsibility are the foundation of successful project delivery. Our internationally recognized certifications demonstrate our commitment to maintaining the highest standards in every aspect of our operations.


These certifications reflect our structured processes, continuous improvement mindset, and dedication to delivering reliable and compliant solutions for our clients across the Kingdom of Saudi Arabia.

Our ISO Certifications

ISO 9001:2015 
Quality Management System

This certification confirms that HNQ follows a robust quality management system designed to consistently meet client requirements and enhance customer satisfaction. It ensures that our processes are well-defined, monitored, and continuously improved to deliver high-quality construction and engineering services.

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ISO 14001:2015
Environmental Management System

ISO 14001:2015 demonstrates our commitment to environmental responsibility. It shows that we identify and manage environmental impacts associated with our operations, promote sustainable practices, and work to minimize our ecological footprint on every project.

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ISO 45001:2018
Occupational Health and Safety 

This certification reflects our strong focus on workplace safety and employee well-being. It ensures that we systematically identify hazards, control risks, and maintain a safe working environment for our employees, subcontractors, and all stakeholders involved in our projects.

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Business Registrations & Licenses

In addition to our international ISO certifications, Hadi Nasser Al-Qahtani Company (HNQ) maintains all necessary legal and regulatory registrations required to operate as a professional contracting company in the Kingdom of Saudi Arabia. These documents confirm our legitimacy, compliance, and ability to undertake construction and engineering projects across the Kingdom.

Ready to Start Your Next Project with HNQ?

Expert design and construction of durable foundations, superstructures, and complex structural systems compliant with Saudi standards.

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