Skate

onskate.io ↗ ·Madrid ·Pre-seed

Skate was a Madrid-based B2B productivity startup that built a Chrome extension for email power users, letting teams add private notes to email threads and turn them into asynchronous micro-chat channels so work could be finished without leaving the inbox. It was founded in 2018 by Carlos Avendaño and Manuel González Noriega and raised roughly $367K across two early rounds from Spanish and Portuguese early-stage investors and accelerators.

Founded

2018

Founders

Total funds raised

—

Rounds

Investors

SectorsEnterprise Software, Productivity, SaaS, Collaboration Start-up MapEnterprise Software › Productivity & creation tools

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Founders

Carlos Avendaño

Co-Founder & CEO

Manuel González Noriega

Co-Founder

Global models 5

Front

United States · front.com ↗

Collaborative inbox SaaS where teams add internal comments and discuss email threads together without leaving the inbox, sold per seat to businesses.

$204MComparable

Superhuman

United States · superhuman.com ↗

Productivity layer on top of Gmail/Outlook for email power users with team sharing and comments on threads, sold as a per-seat subscription (acquired by Grammarly in 2025).

$110MComparable

Hiver

India · hiverhq.com ↗

Gmail-native Chrome extension that turns shared inboxes into team collaboration spaces with private notes on email threads, sold per seat to B2B teams.

$31MComparable

Spike

Israel · www.spikenow.com ↗

Conversational email client that turns email threads into chat-style conversations with team group chats and notes, monetised through per-user business plans.

~$30MComparable