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Build By Alex
Oleksandr Tsilinskyi, Authorized Member
Build by Alex LLC operates as a digital agency offering turnkey development services including websites, AI agents, and mobile apps. The business is based in Warsaw, Poland, as indicated on its website, and has a registered address in Hallandale Beach, Florida per the filing. The owner Oleksandr Tsilinskyi appears to be the driving force behind the brand.
Filed July 9, 2026 · Hallandale Beach, FL · Miami-Dade County
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Build By Alex is a web & ai development business (FLAL) registered on July 9, 2026 with the Florida Division of Corporations. The business is located in Hallandale Beach, Florida 33009. Miami-Dade County is its county of record. The filing lists Oleksandr Tsilinskyi as Authorized Member.
Filing Details
Entity NameBUILD BY ALEX LLC
Entity TypeFLAL
Entity NumberL26000367443
Filing DateJuly 9, 2026
Principal AddressLocked
City / State / ZipHallandale Beach, FL 33009
CountyMiami-Dade
TimezoneEastern (ET)
EIN on FileNo
Registered AgentYI
Agent Address
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