Cube3

Founded in 2023, Cube3 is an accelerator based in Angers, France, dedicated to supporting tech startups through strategic business structuring, financing, and mentorship to enhance their growth and market reach. Cube3 is an accelerator focusing on the growth of tech startups. Founded in 2023 in Angers, France, it was established by a team with a vision to streamline the startup journey. The company has successfully closed 1 deal as of December 2025, raising EUR 700,000 in a Seed funding round from Banque Populaire Grand Ouest, Bpifrance, and other investors.

The founder's background in startup ecosystems contributes significantly to the company's operational strategies. Cube3 operates as an accelerator dedicated to supporting tech startups, focusing on structuring, financing, and propelling promising European startups. Their core offerings include strategic business structuring, media production, and access to a network of investors. Each year, Cube typically selects around ten startups, providing tailored support encompassing legal, financial, technical, and marketing guidance.

The company also offers mentoring, workshops, and investor interactions, fostering an environment conducive to innovation and growth among tech entrepreneurs across Europe. Cube's revenue model revolves around partnerships with investment funds, business angels, and public financing to facilitate financial investments into the startups they support. Funding opportunities can reach up to EUR 100,000 per startup, establishing direct financial relationships with clients. Revenue is also generated through collaborations with various service providers, offering exclusive benefits such as discounts on accounting, banking, and software services, creating a comprehensive support and funding ecosystem for its startups.

Cube3 plans to leverage the EUR 700,000 raised in December 2025 to enhance its accelerator program, aiming to expand its offerings and reach more startups in Europe. Future initiatives include developing new products that enhance startup support, with a projected launch by mid-2026. Additionally, Cube3 targets expansion into new markets, specifically within Eastern Europe by 2026, to diversify its portfolio and tap into emerging tech ecosystems.