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Leadbay

Discover and qualify SMB leads that couldn't be found before.

Leadbay (YC F25) discovers and qualifies SMB leads that couldn't be found before. Small-to-enterprise teams use us to prospect the most low-data-low-signals industries like construction, hospitality, even startups. Co-founders are Milan Stankovic (CTO) - PhD to make AI work with limited data, and Ludovic Granger (CEO). Try us on leadbay.ai.
Active Founders
Ludovic Granger
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
Milan Stankovic
Founder
Co-founder of Leadbay (F25). PhD in Artificial Intelligence. Previous exit. Making computers better companions to humans.
Company Launches
Leadbay AI: 3x more SMBs than Linkedin. Qualify the 99% you miss with Clay.
See original launch post

Hey everyone 🤘🏻

We’re Ludo and Milan - co-founders of Leadbay.

TL;DR: You might think that Linkedin, Clay, ZoomInfo have you covered. They don’t. They miss 70% of US companies, and cover only 0.001% of digital signals/intent. Leadbay discovers and qualifies SMB leads others can’t find. Our customers 5X prospecting efficiency by simply unlocking untapped opportunities in the most data-scarce, fragmented markets.

👉🏼 Try it. Get 50 free leads, qualified for you.

https://youtu.be/IYD5HXaBGY4

HOW DOES IT WORK?

  1. Start with your company email address.
  2. That’s it.
  3. (Optional) Upload a list of won/lost leads.

RESULTS - SALES REPS GET HOOKED !

We closed small-to-enterprise deals with companies targeting SMBs in construction, hotels & restaurants, startups and retail.

→ Our customers 5X their prospecting efficiency,

→ 55% of their closed deals come from companies that were never on their radar,

(One client even told us they sometimes used Leadbay while on the toilet—which inspired our first viral campaign 🚽).

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OUR VISION:

3X our customers’ Total Addressable Market by making invisible companies visible.

ORIGIN STORY:

Milan (CTO), is a PhD to make AI work with limited data.

In 2023, he joined Ludo (CEO), who had brought a community of 300 sales reps from his family and VC background — the perfect playground to iterate on underserved use cases.

Together, they set out to tackle what every sales team wants: discover and qualify untapped opportunities.

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READY TO GROW YOUR BUSINESS WITH LEADBAY?

  1. Try it. Get 50 free leads, qualified for you.
  2. Intro me (ludo@leadbay.ai) to Enterprise sales teams prospecting SMBs (Kimball Midwest, Core-Mark International, Reece USA, Owens Corning, PPG Industries, Deel, Rippling…).

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YC Photos
Jobs at Leadbay
Paris, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, US
$1K - $10K / monthly
Senior and above
Paris, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, US
$60K - $200K
0.01% - 0.20%
Any (new grads ok)
Paris, IDF, FR / Paris, Île-de-France, FR / San Francisco, CA, US
$60K - $200K
0.01% - 0.20%
Any (new grads ok)
Leadbay
Founded:2023
Batch:Fall 2025
Team Size:8
Status:
Active
Location:San Francisco
Primary Partner:Garry Tan