A late co-founder is someone who joins a startup after it has already been founded, but contributes in such a significant and lasting way that they are recognized as part of the founding team.

Unlike early co-founders who are present from day one, a late co-founder typically joins once the initial idea, structure, or prototype is already in place.

They bring essential expertise, network access, or capital that helps the company move to the next stage of growth.

The term “late co-founder” is not a legal definition but a recognition of impact. It acknowledges that meaningful contributions to a startup’s success can happen at different moments in its journey.

For anyone interested in taking on a co-founder role.
You may already have an idea or simply be exploring possibilities. Whether you’re working full-time on a startup or considering joining one in the future, We help you find the right partner and the right opportunity to build something meaningful together.

Yes, late co-founders usually receive shares (equity) in the startup, since they play an active role in building and growing the company.

However, they don’t always need to invest money.
In many cases, their time, expertise, and network are considered their contribution often referred to as “sweat equity.”

Whether or not capital is required depends on the specific situation and need to be addressed during your personal conversations.
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No. We only provide the matching.
All arrangements regarding roles, equity, and collaboration are made directly between the current founder and the potential co-founder.

We’re looking for people with solid professional experience.
A minimum of five years of relevant work experience is our starting point, as startups benefit most from partners who bring proven expertise and perspective.

Absolutely. Research-driven startups often have strong technical or scientific teams, but less commercial experience.
Your business development, sales, or marketing background can be the perfect complement to help them grow.

Heirloom connects founders and professionals across Europe,

No. Heirloom operates in a closed and confidential environment.
Profiles are not publicly visible. Many of our members are still active in their careers and value discretion, which we fully guarantee.

The startup that brings on the new co-founder will cover the cost of the matching process.

No, there’s no catch.
Our goal is to connect as many talented and experienced people as possible with early-stage startups, helping to make companies across Europe stronger and more competitive.
We believe that collaboration and shared expertise are key to rebuilding a vibrant, innovative economy