Skein

Skein is business email on your own domain with an AI agent built in. It notices when a customer, candidate or investor goes quiet, drafts the follow-up in your tone and asks you in Slack, WhatsApp or on your phone before anything is sent. Every morning, a short brief of what needs you. Hosted in the EU.

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Skein

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All-time revenue

All-time

MRR

No active subscriptions

Founder

Carlos Martínez

Founded

October 2026

Spain

Revenue is verified withStripe API key.Last updated: Nov 15, 2026, 06:13 PM

Startup insights

Value proposition

Business email on your own domain with an AI agent that follows up for you

Problem solved

Important threads with customers, candidates and investors go quiet and get forgotten. Nobody notices until the deal is lost.

Audience

Founders, startups and B2B small teams in Spain and the EU

B2B

Pricing

€19/person/month (1–5 people), €15 (6–20), €12 (21+). Founding price: €12 / €10 / €8 for the first 100 teams, locked while subscribed.

Team size

2–5 people

Funding

Bootstrapped

Domain Rating

1/100

skein.email

Market

Marketing Dev Tools Saas

Tech stack

Frontend

Backend

Additional info

Hosted in the EU (Frankfurt), built in Barcelona. GDPR-first. Pre-launch: founding spots open at skein.email

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