# Blok

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/blok

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.joinblok.co
- Total disclosed funding: $1.3M
- Latest round: Seed (Jul 8, 2025)
- Investors on record: 7

## About

Based in the US, Blok is a technology company that develops an AI-driven predictive simulation tool aimed at enhancing product decision-making for teams in product management, UX research, growth, and design.Blok specializes in predictive simulation technology that supports product teams in decision-making processes. Founded with a focus on leveraging AI, the company is headquartered in the United States. In July 2025, Blok raised USD 7.5 mn in Seed funding from a group of investors including MaC Venture Capital and Protagonist Ventures. This round marked a significant milestone as it constituted the total amount raised by the company.Blok offers a predictive simulation tool designed to enhance product decision-making for teams involved in product management, UX research, growth, and design. The core product leverages AI to simulate user behavior based on real-world data and behavioral science frameworks, enabling teams to test various product changes before they go live. Key use cases for this service include optimizing onboarding processes, refining landing pages, validating messaging, and comparing user flows across different personas. By using Blok, teams aim to streamline their experimentation processes, reduce the risks associated with product changes, and ultimately improve user engagement and retention. The company serves a diverse client base that includes over 300 teams across various industries, primarily in North America and Europe, who utilize the tool for rapid feedback and decision-making throughout the product development lifecycle.Blok's revenue model centers around offering subscription-based access to its simulation platform, facilitating both direct-to-consumer and B2B engagements. Clients typically enter into agreements that allow them to utilize the dashboard and receive tailored simulation setups, which can be customized to their specific product and user data needs. The pricing structure is designed to accommodate various client requirements, ensuring flexibility for different scales of product experimentation. This transactional framework supports ongoing partnerships, as teams regularly engage with the platform to optimize their product iterations and validate assumptions before launching features. The revenue generated from these subscription services reflects the critical role Blok plays in enhancing product strategy and development across its client base.In July 2025, Blok raised USD 7.5 mn in Seed funding, which will be strategically utilized to expand its product offerings and enhance its platform capabilities. The company is planning to launch new features aimed at improving user experience and decision-making processes for its clients. Additionally, Blok is targeting expansion into European markets over the next two years to broaden its reach and client base, further solidifying its position in the technology landscape.

## Funding rounds

- Seed, Jul 8, 2025, $1.3M — Correlation Ventures, Weekend Fund, Karman Ventures, MaC Venture Capital, Rackhouse Venture Capital, Blank Ventures, Protagonist

## Investors

- Correlation Ventures (https://capitalatlas.ai/funds/correlation-ventures) — Seed
- Weekend Fund (https://capitalatlas.ai/funds/weekend-fund) — Seed
- Karman Ventures (https://capitalatlas.ai/funds/karman-ventures) — Seed
- MaC Venture Capital (https://capitalatlas.ai/funds/mac-venture-capital) — Seed
- Rackhouse Venture Capital (https://capitalatlas.ai/funds/rackhouse-venture-capital) — Seed
- Blank Ventures (https://capitalatlas.ai/funds/blank-ventures) — Seed
- Protagonist (https://capitalatlas.ai/funds/protagonist) — Seed