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If you have a stubborn problem, we'd like to hear about it.

Tell us a little about what you're trying to build. We reply within two working days, in plain language, with an honest read on whether we're the right team — no pitch deck, no funnel.

— Direct

Prefer to skip the form?

Email hello@twenty-one.co
Phone +30 210 3000 463
Agency Plateon 55, 104 35
Athens, Greece
Hours Mon–Fri · 10:00–18:00 EET

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