Glasa
glasa.io
Finds and verifies buyer contacts, warms inboxes and runs cold email outreach.
~$200K ARR
Cem Hasoglu
London founder growing Glasa and Puzzle Inbox cold email infrastructure
@cem_hasoglu London, United Kingdom8.7K followersGlasa ~$200K ARRSaaS FoundersMarketing & SEO ToolsProductized Services
About Cem Hasoglu
Cem Hasoglu is a London-based founder working in cold email and outbound sales. He is growing Glasa, a platform that finds and verifies buyer contacts, warms sending inboxes and runs cold email outreach in one place, which his X bio puts at about $200K ARR.
He also runs Puzzle Inbox, which sells pre-warmed Google Workspace and Outlook inboxes for cold email with DNS pre-configured, and an outbound agency; his bio says the inbox business and agency together are at around $3M ARR.
Products by Cem Hasoglu
Puzzle Inbox
puzzleinbox.com
Pre-warmed Google Workspace and Outlook inboxes for cold email, delivered DNS-ready.
Revenue
Cem Hasoglu has publicly reported Glasa ~$200K ARR; Puzzle Inbox and agency ~$3M ARR (self-reported) (as of 2026-10). Source
How Cem builds
- Own the infrastructure layer of outbound, not just the software.
- Pair a service business with a product to fund growth.
Cem Hasoglu FAQ
What is Glasa?
Glasa is Cem Hasoglu's outbound platform that finds verified contacts, warms sending inboxes and runs cold email campaigns.
How big is Cem Hasoglu's business?
His X bio lists Glasa at about $200K ARR and Puzzle Inbox plus his agency at around $3M ARR.
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