# Cotool

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

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.cotool.ai
- Total disclosed funding: $7.4M
- Latest round: Seed (Mar 5, 2026)
- Investors on record: 2

## About

Cotool, Inc., based in the US, specializes in AI-driven solutions that enhance the capabilities of security teams, focusing on automated threat detection and response to improve cybersecurity effectiveness.Cotool, Inc. was founded in 2025 in San Francisco, US, focusing on developing advanced security solutions. The company raised USD 7.4 mn in Seed funding on March 5, 2026, led by Andreessen Horowitz, with participation from WndrCo. The firm has completed one deal to date.Cotool specializes in developing AI-driven solutions specifically designed to enhance the capabilities of security teams, commonly referred to as "blue teams." Their primary offerings include detection agents that automate threat hunting, response mechanisms, and detection tuning to address alert fatigue. Cotool's technology empowers security professionals to articulate their threat models in natural language, enabling real-time monitoring and analysis across diverse security environments, including those lacking central log visibility. The solutions aim to streamline workflows, reduce manual workload, and enhance overall threat detection efficacy, serving a client base that includes enterprises across various sectors that require robust cybersecurity measures. While Cotool is headquartered in San Francisco, its products cater to customers across North America, Europe, and Asia, addressing the growing global demand for advanced security solutions.Cotool generates revenue through a subscription-based model, providing its AI-enabled services to businesses and security teams on an ongoing basis. Clients typically engage in annual contracts that grant access to Cotool’s suite of tools, including its core detection agents and automated threat intelligence features. These transactions are structured as direct business-to-business (B2B) agreements, where organizations pay for the level of service and features tailored to their specific security needs. The pricing structure is tiered, accommodating various client sizes and requirements, thereby allowing flexibility in service integration. Cotool's flagship offerings, particularly the detection agents, play a crucial role in driving customer engagement and retention, leading to a stable revenue stream as companies aim to enhance their cybersecurity posture amidst evolving threats.In March 2026, Cotool, Inc. raised USD 7.4 mn in Seed funding to support its growth initiatives. The company plans to design and launch new products aimed at further enhancing its AI capabilities for security teams. Additionally, Cotool intends to expand into European and Asian markets by the end of 2026, capitalizing on the increasing demand for advanced cybersecurity solutions.

## Funding rounds

- Seed, Mar 5, 2026, $7.4M — Andreessen Horowitz, WndrCo

## Investors

- Andreessen Horowitz (https://capitalatlas.ai/funds/andreessen-horowitz) — Seed
- WndrCo (https://capitalatlas.ai/funds/wndrco) — Seed