WhoKnows has build a B2B lead gen platform for startups with AI-enriched prospect data (370M prospects), a growth lab with rapid omni-channel campaign testing (email, paid ads, SDRs, SEO, etc), agile marketing services , and startup-friendly pricing. It’s the fastest, most affordable way to discover and scale your optimal lead gen engine.
Looking for a particular WhoKnows employee's phone or email?
The WhoKnows annual revenue was $21.6 million in 2026.
Usmaan Mujtaba is the Vice President of Sales and Customer Success of WhoKnows.
45 people are employed at WhoKnows.
WhoKnows is based in San Mateo, California.
The NAICS codes for WhoKnows are [523, 5239, 52].
The SIC codes for WhoKnows are [679, 67].