B2B organizations are prioritizing their partner ecosystems to drive revenue and growth. B2B marketing and sales leaders should take this opportunity to deploy company-owned marketplaces with partner offerings. B2B marketplaces provide more complete solutions to fulfill buyer and customer needs and facilitate partner orchestration than traditional partner locators offer. This report outlines a vision for modernizing partner-supported go-to-market (GTM) strategies by evolving from partner locators to B2B marketplaces.