bldrs

The best early stage operators are entrepreneurs at heart. We are a talent platform connecting them with breakout jobs, potential cofounders and early investors depending on where they stand in their founder journey. Join us on our mission to democratize entrepreneurship by bringing the best of YC, Reforge and AngelList to Europe.

Daniel Schulte-Hillen

Founder

10 past transactions

Passionfroot

Seed Round in 2024
Passionfroot offers a unified platform for creators and media companies to efficiently manage sponsorships, collaborations, bookings, and payments. Its creator operating system streamlines day-to-day operations by integrating sales pipeline, CRM, treasury, and payments into one platform.

Cakewalk

Pre Seed Round in 2024
Cakewalk specializes in Identity & Access Management (IAM) solutions. It empowers fast-growing companies to regain control over their software usage by providing a centralized platform for managing employee access permissions. The platform integrates with popular applications and cloud services, enhancing security posture, user productivity, and reducing IT costs.

Knowunity

Series A in 2023
Knowunity is a digital learning platform that provides summaries, study notes, presentations, answers, and more, all accessible through a single app. It offers interactive learning software designed to assist students with everyday school life, allowing them to share self-created learning content and exchange ideas.

Senken

Seed Round in 2023
Senken helps companies procure high-quality, audit-ready carbon credits. The platform unifies strategy, due diligence, procurement, retirement, and reporting in one workflow, enabling teams to act faster, reduce risk, and make defensible climate claims. A go-to partner for enterprise buyers in Germany, Senken works with customers such as Vodafone and Deutsche Telekom.

FANtium

Seed Round in 2023
FANtium is a platform enabling sports fans to support and interact with their favorite athletes. It facilitates real-world investments in athletes' achievements through NFT-based tokens.

Flinn

Pre Seed Round in 2022
Flinn develops a medical management platform that automates regulatory and compliance workflows for medical device manufacturers. The product digitizes and streamlines paper trails by applying AI-driven data collection, aggregation, evaluation, and reporting for post-market surveillance and submissions. By automating repetitive form-filling tasks and regulatory submissions, the platform helps medical companies reduce manual effort and operate more efficiently while maintaining compliance with governing standards.

eaze

Pre Seed Round in 2022
Eaze is a health tech startup focused on improving sleep through digital solutions. Recognizing that a significant portion of the population struggles with sleep issues, Eaze offers a unique platform that provides cognitive behavioral therapy (CBT) for sleep. Their application features personalized coaching guided by a virtual sleep psychologist, helping users develop healthier sleep habits over time. This approach serves as a long-term, cost-effective alternative to traditional sleep medications and supplements, promoting better sleep without reliance on pharmaceuticals. By leveraging data-driven techniques, Eaze aims to democratize access to effective sleep solutions and enhance overall well-being.

tozero

Pre Seed Round in 2022
Tozero, founded in July 2022 in Munich, Germany, by Sarah Fleischer and Dr. Ksenija Milicevic Neumann, specializes in lithium-ion battery recycling technology. The company aims to accelerate decarbonization efforts by developing a scalable and sustainable machine for recovering critical materials such as lithium, nickel, cobalt, graphite, and manganese from various battery types. By enabling industries to reintroduce these valuable raw materials into the supply chain, Tozero contributes to more sustainable practices in battery production and reduces dependency on virgin resources.

Exakt Health

Seed Round in 2022
Exakt Health is a healthcare platform that provides access to professional physiotherapy for sports injuries. The service guides users through self-diagnosis, then delivers individualized rehabilitation plans and daily exercises, enabling patients to follow personalized training programs and receive treatment advice with clinician feedback to support recovery.

Cauldron

Pre Seed Round in 2022
Cauldron is a developer of job recruitment software focused on creating a fair and transparent hiring process. The company offers a cloud-based technology that integrates with the applicant tracking systems (ATS) of hiring organizations. This technology enables companies to pre-screen candidates through quick tasks as they apply, enhancing the candidate experience while facilitating skill assessment and providing valuable candidate analytics. By streamlining the screening and interviewing process, Cauldron aims to help companies save time and improve the efficiency of their hiring practices.
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