The Sierra Leone Standards Bureau (SLSB) has been a correspondent member of ISO since 1 January 2009
SLSB was created by the Standards Act No 2 of 1996, with the responsibility of coordinating Standardization and Quality Management activities in Sierra Leone. SLBS is also mandated by the Weight and Measures Act No 5 of 2010 to authorise and validate the use of the metric system of measurement in Sierra Leone.

SLSB offers the following services

• standardization


• development and sale of national standards metrology


• legal metrology and industrial metrology conformity assessment


• product certification scheme, testing and inspection consultancy


• training of stakeholders on standards and quality management principles

SLSB is also a member of

• ARSO


• OIML as Corresponding Member


• IEC as Affiliate


• ASTM - MOU