What is ProtoPie?
ProtoPie provides an intuitive, high-fidelity prototyping platform that empowers designers and developers to transform complex UI/UX concepts into interactive, functional digital experiences. Unlike traditional static design tools, ProtoPie enables the creation of advanced prototypes that mimic real-world interactions across diverse hardware and software ecosystems, including mobile, web, and IoT devices. By streamlining the transition from conceptual design to technical implementation, the platform serves as a critical bridge for teams aiming to accelerate their product development cycles and enhance user experience quality.
The company occupies a pivotal niche in the design-tech stack, catering to enterprise-level organizations that require robust, scalable solutions for prototyping. Its market position is bolstered by a focus on reducing the friction between design intent and engineering execution, effectively positioning ProtoPie as a cornerstone of the modern digital product development lifecycle.
How much funding has ProtoPie raised?
ProtoPie has raised a total of $35.3M across 3 funding rounds:
Series A
$6.3M
Other Financing Round
$8M
Series B
$21M
Series A (2020): $6.3M with participation from Vela Partners
Other Financing Round (2022): $8M led by HB Investment Management and LB Investment
Series B (2025): $21M supported by HB Investment, LB Investment, BSK Investment, and Korea Development Bank
Key Investors in ProtoPie
HB Investment
A South Korean venture capital firm with a long-standing history of supporting high-growth industries, including semiconductors, entertainment, and smart technology, through strategic consulting and capital infusion.
LB Investment
A transformative technology investor focused on deep-tech and digital innovation, dedicated to empowering visionary founders to reshape global markets through advanced services.
Korea Development Bank
A state-owned policy development bank that provides critical financing for major industrial projects and strategic regional development to enhance national economic competitiveness.
What's next for ProtoPie?
With the successful closure of this Series B round, ProtoPie is well-positioned to scale its operations and deepen its penetration into the global enterprise market. The strategic capital will likely be deployed to accelerate product development, specifically targeting advanced interaction capabilities and enhanced collaboration features for distributed teams. Furthermore, the involvement of institutional backers suggests a focus on long-term sustainability and the expansion of its footprint within the high-tech and industrial sectors.
As the company moves into its next phase of growth, the focus will likely shift toward integrating more sophisticated AI-driven design assistance and expanding its ecosystem integrations. By leveraging its current momentum, ProtoPie aims to redefine the standards of interactive prototyping, ensuring that it remains the primary choice for organizations seeking to innovate faster and deliver superior digital products in a rapidly evolving technological environment.
