Efficient and competent laboratory testing services is an essential component of the integrated standardization activity. Sri Lanka Standards Institution (SLSI) Act No 6 of 1984 provides provisions for the establishment and maintenance of laboratory services to promote Standardization, Quality Assurance and other related activities in industry and commerce at national level. Laboratory Services Division of SLSI is the first national laboratory established for the above purpose and it offers comprehensive laboratory related services such as;

• Compliance testing for a wide spectrum of consumer products and materials,
• Technical training on laboratory testing, general laboratory practices and quality control activities, etc.

Presently, the Laboratory Services Division provides efficient and reliable services for the public as well as private sector organizations to promote activities in Industry and Commerce through following six unit testing laboratories.

• Chemical laboratory
• Electrical & Electronics laboratory
• Food laboratory
• Materials laboratory
• Microbiology laboratory and
• Textile laboratory

SLSI laboratories are equipped with modern and efficient test facilities to enhance the laboratory related activities including testing of extensive spectrum of products and materials in accordance with national as well as international standards. It is manned with well competent staff specialized in their respective disciplines and are exposed to frequent training, both locally and internationally.  Almost all the scientists are postgraduate degree holders in relevant disciplines. The test facilities now available are upgraded regularly to cater to demand arisen from national and international development.