Quo

"Founded in 2018 and based in San Francisco, US, OpenPhone Technologies, Inc. , doing business as Quo, is a communication solutions provider offering an integrated AI-powered business phone system that enables startups and small businesses to enhance collaboration and streamline communications. OpenPhone Technologies, Inc. focuses on delivering innovative communication tools.

The company was co-founded by Daryna 🇺🇦 and Mahyar Raissi, who serves as the CEO. In September 2025, OpenPhone Technologies, Inc. raised USD 96 million in growth funding from General Catalyst Partners and USD 9 million in venture funding. The round was part of larger USD 105 million in growth and venture funding.

OpenPhone provides a comprehensive suite of communication tools tailored for startups and small businesses. The main offering is a business phone system that integrates calls, texts, and contacts via an AI-powered platform. Notable features include dedicated phone numbers, a 24/7 AI agent named Sona for call answering, call summaries, transcripts for team alignment, a lightweight CRM for customer relationship management, and APIs for automation. OpenPhone serves over 60,000 businesses across North America, catering to diverse communication needs.

OpenPhone generates revenue primarily through subscription-based pricing plans designed for various business sizes and communication requirements. The service tiers allow clients to engage in B2B transactions, offering features like local and toll-free numbers, automated messaging, and advanced call routing, which enhance customer engagement and communication efficiency. The firm will use the September 2025 funding to accelerate go-to-market growth, drive product innovation, and scale customer expansion.