Puzzle Inbox
Cold-email inbox and domain infrastructure provider he co-founded.
$130K MRR Self-reported post on X, reportedFounder profile
Cem Hasoglu
@cem_hasoglu · Founder of Glasa, Puzzle Inbox · United Kingdom
In their X bio “& agency $3m ARR. · $300k arr in 50 days.”
Cem Hasoglu (@cem_hasoglu) is the founder of Glasa and Puzzle Inbox. Cem builds with a team from the United Kingdom. The highest publicly reported figure: Puzzle Inbox reported $130K MRR, according to the founder's own post on October 28, 2026. Across 2 products, the latest reported MRR adds up to $147,500.
- Combined MRR
- $147,500
- Products
- 2
- Followers on X
- 9K
- Build Score
- 78/100
Fact box
- Products
- Puzzle Inbox, Glasa
- Category
- Sales & lead generation
- Top reported revenue
- Puzzle Inbox: $130K MRR Self-reported post on X, reported
- Combined MRR
- $147,500 sum of the latest figure for 2 products
- Selling status
- Listed for sale, per the founder's post (their post)
- Country
- United Kingdom
- Followers on X
- 9K
- Solo or team
- Team
- Exits
- 1 announced
Products
Revenue reports
Figures as reported at each source on the date shown, never our estimate. MRR qualifies for the directory as is; ARR is divided by 12.
Selling status
Cem Hasoglu has listed a product for sale
Self-reported by the founder See the post on X. This is the founder's own post, not a listing on Sell Micro SaaS. See other founders selling or open to selling.
Recent posts
The founder's posts on X in the 7 days to October 28, 2026, when we last collected them. Our summaries; open the post for the original.
Recaps his 2026: Glasa to $300k ARR in 45 days and Puzzle Inbox from $90k to $130k MRR.
Argues $1k→$10k MRR is about a repeatable channel, while $10k→$100k needs retention and better onboarding.
Says success now means a profitable, small-team $200k MRR business rather than VC scale.
Says he keeps scaling his agency and SaaS with Glasa-powered cold email despite 'X is dead' takes.
Timeline
2026
-
exit
Said Glasa received five acquisition offers and a sale would close in the coming weeks, with the tool kept live privately. Source
-
shutdown
Announced he is shutting Glasa down after 15 months despite fast revenue growth, citing team problems. Source
-
milestone
Put Glasa's full infrastructure (lead base, scrapers, sending tool) up for sale. Source
-
milestone
Said Glasa went from $0 to $41k in under 35 days, beating Puzzle Inbox's first 30 days ($25k). Source
Notable posts
-
Argues brokerage is an overlooked high-income career.
227 likes 4 reposts 28K views
-
Explains how sending 5k cold emails a day with Glasa-provisioned inboxes can build a lead-gen business.
122 likes 6 reposts 7.6K views
Related founders
Cem Hasoglu: questions
What is Cem Hasoglu building?
Cem Hasoglu is building Glasa (AI cold-email platform that auto-provisions domains and inboxes, with lead databases and scrapers) and Puzzle Inbox (Cold-email inbox and domain infrastructure provider he co-founded).
How much does Glasa make?
Glasa reported $210K ARR, according to the founder's own post on October 20, 2026. The founder reported this figure themselves; it is a publicly reported figure, not an estimate by Sell Micro SaaS.
How much does Puzzle Inbox make?
Puzzle Inbox reported $130K MRR, according to the founder's own post on October 28, 2026. The founder reported this figure themselves; it is a publicly reported figure, not an estimate by Sell Micro SaaS.
Is Cem Hasoglu selling a product?
Cem Hasoglu has listed a product for sale, according to the founder's own post. That listing is the founder's own, not a Sell Micro SaaS listing, and it is linked in the fact box on this page.
Where can I follow Cem Hasoglu?
You can follow Cem Hasoglu on X at @cem_hasoglu and on their website (glasa.io).
Is this you?
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Built from public sources only. How we build profiles.
- Revenue figures
- dated one by one; newest reported October 28, 2026
- X posts and timeline
- collected up to October 28, 2026
- Follower count
- read November 1, 2026
- Profile last changed
- November 1, 2026