Overview

About Callstack

Callstack is a top cross-platform consultancy & development company that operates within React.js and React Native. Since 2016 the company gathers the best experts in the field and provides a wide range of React and React Native services.

We co-create the technology we offer. We collaborate daily with the Meta team on setting the direction for the future growth of the React Native framework.

We organize the biggest React Native conference in the world (and the first conference in Europe) which focuses exclusively on React Native. We also host The React Native Show - a podcast series that explores different aspects of the React universe.

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Focus

Service Focus of Callstack

How the team's effort is distributed across services.

35%35%30%

Industries Focus

20%20%20%20%

Client Focus

Medium Business80%
Large Business20%
Selected Work

Client Portfolio of Callstack

Where their work concentrates - by industry, budget, and timeline.

Project Industry

Automotive33%
Fintech33%
Entertainment33%
Major industry focus
Automotive

Project Cost

Not Disclosed100%
Common project cost
Not Disclosed

Project Timeline

1 to 25 Weeks33%
26 to 50 Weeks33%
51 to 100 Weeks33%
Typical timeline
1 to 25 Weeks

Clients: 6

Major League SoccerAutoZoneStripeMomoExpoKiwi

Portfolios: 3

Where we are

Locations (1)

Offices where Callstack operates.

Headquarter
Poland

Poland

ulica Prosta 36,
Wroclaw, Lower Silesia 53505