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Company profilesquare21.tech ↗

Square21

Square21 is a full-stack web development company.

Information Technology and Services
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Headquarters
Budapest, Pest, HungarySource: RevenueBaseRetrieved October 13, 2026
Employee range
1 to 10Source: RevenueBaseRetrieved October 13, 2026
Founded
2019Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
15 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Square21 do?

The company builds serverless web and mobile applications. Its work spans design through delivery.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Serverless web and mobile applications

The company builds these applications from design to delivery.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWSquare21 listed #6 on Full stack development companies, September 19, 2026Open the published source list.
Square21

#6 Full stack development companies

Snapshot: September 19, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated August 31, 2026, September 6, 2026, September 10, 2026, September 12, 2026, September 19, 2026, September 20, 2026, September 21, 2026, September 23, 2026, September 26, 2026 and September 27, 2026. How the company lists are built.

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