

Elevating Canadian Laboratory Excellence
The Canadian Laboratory Accreditation Program (CLAS) is the nationally recognized ISO/IEC 17025 accreditation body operated by the National Research Council of Canada (NRC). For decades, CLAS has played a central role in ensuring the quality and precision, of Canadian calibration and testing laboratories. Through rigorous, internationally recognized accreditation, CLAS helps strengthen Canada’s industrial excellence and position Canadian labs at the forefront of global markets.
Why CLAS Is the Gold Standard for Canadian Laboratory Accreditation
When precision, trust, and global reputation matter, Canadian laboratories turn to CLAS. The Canadian Laboratory Accreditation Program, operated by the National Research Council of Canada (NRC).
CLAS isn’t just another accreditor. It’s a nationally recognized, government-backed leader that ensures Canadian calibration and testing labs meet the world’s highest standards: ISO/IEC 17025.
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Why Does CLAS Matter to You?
In today’s competitive landscape, labs and industry leaders need more than just a stamp of approval. They need recognition and a measurable edge. Here's what makes CLAS stand out from other accreditations.
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Unmatched Global Recognition
With CLAS accreditation, your lab’s results don’t stop at Canada’s borders. Thanks to CLAS’s participation in international mutual recognition agreements, your calibration and testing outputs are accepted worldwide. This opens doors to both global markets and partners.
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While organizations like ANAB and A2LA (USA) offer similar services. CLAS’s public, government-supported status carries exceptional weight internationally, reinforcing the credibility of your lab on the world stage.
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Government-Backed Commitment to National Excellence
CLAS isn’t a private, profit-driven body, it’s a public mission to elevate the Canadian industry.
Supported by the NRC, CLAS ensures that accredited labs are not only technically competent but are strengthening Canada’s national innovation ecosystem.
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Every CLAS accreditation directly supports Canadian industries and research sectors. When you partner with CLAS, you’re not just meeting standards, you’re contributing to Canada’s global reputation for excellence.
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Rigorous, Quality-First Approach
With CLAS, accreditation isn’t about checking boxes. It’s about ensuring your lab meets the highest standards of accuracy, reliability, and technical skill. This positions your lab as a leader and gives your clients and partners the confidence that your results can stand against the toughest inspection.
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Strategic Advantage for Canadian Industry
By working with CLAS, labs help ensure that Canadian-made products, research, and services compete at the international level, by being backed by accreditation that shows superior quality and trust.
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In contrast, private accreditors like ANAB and A2LA, while competent, serve a commercial marketplace — CLAS, by design, serves Canada’s national interest.
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Choose Canada’s Best
If you’re a Canadian lab looking to stand out, CLAS is your natural partner.
With unmatched technical expertise, global credibility, and a mission tied directly to Canada’s innovation future, CLAS offers more than accreditation — it offers a pathway to leadership.
CLAS stands out as the natural choice for Canadian laboratories seeking ISO/IEC 17025 accreditation. In addition to offering unmatched technical expertise, it actively supports Canada’s reputation internationally. While private bodies like ANAB and A2LA offer competitive alternatives, CLAS offers global credibility, and a mission tied directly to Canada’s innovation future.
CLAS remains the preferred option for Canadian laboratories seeking recognized accreditation backed by a body that understands the country’s needs and challenges.
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