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Leadbay

Qualify millions of Data-Signal-Scarce leads that couldn't be found…

Y CombinatorFall 2025ActiveB2BSalesB2BSalesAI

What they do

Problem

Sales teams miss out on large numbers of potential customers because many leads have too little publicly available data or signals to be discovered and qualified with traditional tools.

Solution

Leadbay uses AI designed to work with limited data to find and qualify data-signal-scarce leads at scale, expanding addressable markets and increasing qualified leads.

Who it's for

B2B sales and go-to-market teams at mid-market and enterprise companies use it to discover and qualify new leads.

Founders

Ludovic Granger
Founder

Co-founder & CEO of Leadbay. Previously an early employee at an EU-US VC firm, I then built a community of 300 sales reps - the perfect playground to iterate on underserved B2B use cases. Studied Finance at IÉSEG School of Management.

Milan Stankovic
Founder

Co-founder of Leadbay (F25). PhD in Artificial Intelligence. Previous exit. Making computers better companions to humans.

Open roles 3

Backend Engineer
Paris, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, US · Full-time · $60K - $200K · 0.01% - 0.20%
Apply ↗
Frontend Engineer
Paris, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, US · Full-time · $60K - $200K · 0.01% - 0.20%
Apply ↗
Engineering Intern
Paris, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, US · Internship · $1K - $10K / monthly
Apply ↗

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