Maestro Labs acquires Flowrite to build the largest independent AI Email Assistant on the market
Maestro Labs, the company behind Outlook’s leading AI assistant, MailMaestro acquires Flowrite to expand into the Gmail ecosystem.
Strategic Acquisition Expansion
Singapore, Singapore, 7th Jan 2025 – In a strategic move to expand its email productivity footprint, Maestro Labs, known for its market-leading Outlook AI assistant MailMaestro, has acquired Flowrite, the email division of Helsinki-based startup Flow AI. This acquisition marks a major step for Maestro Labs to extend its reach into Gmail’s ecosystem. Additionally, it accelerates the company’s global expansion, leveraging Flowrite’s market presence around the world.

The transaction was funded through a seed round led by a consortium of investors, family offices, and senior executives from Microsoft, BCG, Softbank, KKR, and others. With this backing, Maestro Labs is well-positioned to grow rapidly while maintaining product excellence.
Leadership Vision And Growth
Adrian Cabrera, CEO of MailMaestro, said, “We’ve always admired Flowrite’s innovative approach and rapid growth. Reaching hundreds of thousands of users across 150+ countries in a short time is impressive. Through this acquisition, we take a major leap forward in transforming email productivity with AI globally.”
Founded in 2020, Flowrite has secured a total of $5 million in funding. It has established itself as the leading AI email solution for Gmail. Following the acquisition, the team continues to focus on Flow AI, their genAI evaluation and optimization product. They also partner with leading AI companies to enhance language model systems, shaping the future of commercial AI applications.

Founder Perspective And Outlook
“It’s been incredible to see Flowrite continue through MailMaestro. The Maestro Labs team impressed us with their dedication and vision,” said Aaro Isosaari, former CEO of Flowrite and current CEO of Flow AI. We are excited about what this acquisition means for email productivity globally.
MailMaestro’s AI email assistant has become the go-to tool for teams seeking faster, easier, and more professional email management. It integrates seamlessly with both Outlook and Gmail. Moreover, it is the top-rated AI tool for Outlook on Microsoft AppSource. In head-to-head comparisons with Microsoft Copilot for Outlook, 8 out of 10 users preferred MailMaestro, confirming its effectiveness and popularity.
Product Adoption And Access
For more information, visit www.maestrolabs.com.
About
MailMaestro is a magical AI email assistant designed to improve and speed up email communication. Developed by Maestro Labs, it helps users quickly summarize entire email threads, improve email drafts, respond with AI based on the context of the email thread, schedule meetings from the inbox, and more. It helps 55 000 teams around the world to clear their inboxes faster. It takes the hassle and stress out of sending professional emails in 18 supported languages, including German, Spanish, French, and Portuguese.
Media Contact
Organization: Maestro Labs
Contact Person: Kamil Jakubczyk
Website: https://www.maestrolabs.com/
Email: press@maestrolabs.com
City: Singapore
State: Singapore
Country: Singapore
Release Id: 07012522334