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Leadsy among Y Combinator companies

Leadsy was detected on 53 of 5,386 crawled Y Combinator company websites, a share of 1.0%.

5,386 of 6,133 Y Combinator domains returned a usable record and form the denominator. 5,242 were counted from a rendered homepage crawl on 4 September 2026, 144 from a plain fetch only, and 747 returned no usable record. Company list: Y Combinator company directory. <5 means fewer than 5 crawled domains in that group.

Software used by Y Combinator companies · Visitor Identification and ABM across all groups · Leadsy across every group and the wider sample

Leadsy runs on these Y Combinator companies

• PartnerStack
• Awesomic
• WorkRamp
• Fondo
• Hadrius
• RDash
• AiPrise
• Mason
• TENDERD
• Vitable Health
• HitPay
• ArchForm
• IOMETE
• Strada
• loopfour
• CombineHealth
• OffDeal
• Epsilon3
• Jestor
• Bluejay

20 of 53, ordered by team size, largest first.

<a href="https://installmap.com/groups/yc/leadsy"><img src="https://installmap.com/badges/yc/leadsy.svg" alt="Leadsy runs on 53 of 5,386 crawled YC companies (1.0%)"></a>

[![Leadsy runs on 53 of 5,386 crawled YC companies (1.0%)](https://installmap.com/badges/yc/leadsy.svg)](https://installmap.com/groups/yc/leadsy)

Other Visitor Identification and ABM tools in this group

• Apollo.io Tracker 3.2%
• RB2B 2.9%
• Vector 2.3%
• ZoomInfo WebSights 1.4%
• Warmly 1.3%
• Unify 1.2%
• Dealfront Leadfeeder 1.2%
• Snitcher 1.1%