Who founded OpenPhone?

OpenPhone was founded by Mahyar Raissi, Daryna Kulya.

Who are OpenPhone's investors?

OpenPhone's investors include Y Combinator, Slow Ventures, Craft Ventures, Kindred Ventures, Script Capital, Tiger Global Management.

OpenPhone

6 known investors

openphone.co ↗

Quo provides a modern business phone system designed for small businesses to improve customer communication and relationship-building. The platform helps business owners replace personal numbers with professional communication tools to scale operations.

Enterprise SoftwareFuture of WorkSaaSin /gowithquo @gowithquo

Founders & leadership

Mahyar RaissiinFounder

Daryna KulyainFounder

Investors · 6

Y Combinator✓ verifiedSan Francisco · $500K

Slow VenturesSan Francisco · $50K – $1M

Craft VenturesreportedSan Francisco · $50K – $50M

Kindred VenturesreportedSan Francisco · $250K – $2M

Script CapitalreportedSan Francisco · $250K – $500K

Tiger Global ManagementreportedNew York · $1M – $100M

In the news

Daryna Kulya en X: "This will be my last day as a Co-Founder of @OpenPhone. Because starting today, OpenPhone is rebranding to Quo. Oh, and we've raised $105 million in growth financing to help businesses never lose a customer again. You probably have a lot of questions, so let me break down what's x.com · Sep 2025

OpenPhone Becomes Quo: New Name, Updated Products and $105 Million in Growth Financing Mark Major Inflection Point for AI-Driven Front Office Solutionfinance.yahoo.com · Sep 2025

Canadian-founded OpenPhone raises US$105M, rebrands as Quo - The Logicthelogic.co · Sep 2025

How We Raised $40M to Build the Future of Business Phones | Quo (formerly Openphone)quo.com · Apr 2022

OpenPhone raises $40M to replace your work phone and office PBX with an app | TechCrunchtechcrunch.com · Apr 2022

Frequently asked questions

What does OpenPhone do?: Quo provides a modern business phone system designed for small businesses to improve customer communication and relationship-building. The platform helps business owners replace personal numbers with professional communication tools to scale operations.
Who founded OpenPhone?: OpenPhone was founded by Mahyar Raissi, Daryna Kulya.
Who are OpenPhone's investors?: OpenPhone's investors include Y Combinator, Slow Ventures, Craft Ventures, Kindred Ventures, Script Capital, Tiger Global Management.