
WiSabi is Sierra Leone's national business directory and call centre. We help people find any business, product, or service by dialling 3999 from any network or visiting wisabi.sl.
Our field officers visit businesses across the country, verify their information, and register them in the national directory. Customers then reach verified businesses through our trained agent team, connecting people with the services they need.
WiSabi is a service of Knowledge Network Solutions (KNS), connecting people and empowering businesses.
To become Sierra Leone's most trusted business information platform by connecting customers with verified businesses nationwide.
Every business is verified by field officers before listing.
Connecting callers to the right business, fast.
Smart directory and call centre built for Sierra Leone.
Data stays in Sierra Leone. Infrastructure runs locally.
Free listings, one short code, works on all networks.
Enterprise level call centre platform, fraction of the cost.

Every call to 3999 is handled by a trained agent backed by an intelligent knowledge base holding business info, FAQs, products, and service data.
All systems run on local infrastructure in Sierra Leone. No data leaves the country. Open source, high capacity models power semantic search that finds the right answer even when callers don't use exact keywords.
We also operate a full carrier grade call centre platform: ACD groups, IVR menus, short code hosting, and managed short code services for enterprises.
Express your interest to be onboarded. Our field officer will visit your business within 48 hours.