Overview
Callstack.Io is a company that specializes in React and React Native development services, offering solutions such as consulting, performance optimization, and cross-platform app development for various platforms including iOS and Android. They provide support for migrating to React Native, developing enterprise solutions, and integrating AI features into applications. Additionally, they contribute to the React community and maintain key open-source tools used by millions of developers worldwide.
Financials
Revenue history (in m)
Financial insight
- Possible Estonian CIT: Equity includes Art. 28d line items, but all amounts are 0 – this may be an accounting template or the first year of the regime.
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2016-04-26. Active
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Real estate
| Type | Amount |
|---|---|
Buildings and premises | PLN 252.4KPLN 252,412 |
Public aid
7 public aid cases recorded, with a total value of $114,788.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jun 15, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Jun 14, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Oct 26, 2022 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | –– | Prezes Banku Gospodarstwa Krajowego |
Tenders
No recorded participation in tenders.
Authorized Representatives
Manner of representation
In the case of a multi-member management board, each member of the management board is independently authorised to make declarations on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Denali Holdco Scsp | 160 | $2,160.99 | 7.1813% |
Shmoney Holdings Gmbh | 228 | $3,079.42 | 10.2334% |
Others | 1,840 | $24,851.43 | 82.5853% |
Beneficial owners
| Person | Rights |
|---|---|
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Software MindS.A. | $64,011,288.24 | softwaremind.com | ||
| NetguruS.A. | $32,025,405.89 | netguru.com | ||
| Software MansionS.A. | $29,995,660.85 | swmansion.com | ||
| The Software Housesp. z o.o. | $22,455,428.27 | tsh.io | ||
| IteoS.A. | $13,858,018.88 | iteo.com | ||
| AppuniteS.A. | $8,271,297.82 | appunite.com | ||
| Programiścisp. z o.o. | $7,979,597.63 | programisci.eu | ||
| Monterailsp. z o.o. | $7,347,819.94 | monterail.com | ||
| Info Projektsp. z o.o. | $7,139,597.08 | infoprojekt.pl | ||
| Antologicsp. z o.o. | $4,254,481.67 | antologic.com |
Change history
| Date | Event | |
|---|---|---|
| 2026-10-13 | Share capital change (100,000.00 PLN → 111,400.00 PLN) | |
| 2025-12-04 | Share capital change (8,000.00 PLN → 100,000.00 PLN) | |
| 2025-12-04 | PKD change (Removed: 62.01.Z, 62.02.Z, 62.03.Z, 62.09.Z, 63.11.Z, 63.12.Z, 63.99.Z; Added: 62.10.B, 62.20.A, 62.20.B, 63.9, 63.92.Z, 70.20.Z, 82.30.Z, 85.69, 85.69.Z) | |
| 2020-03-24 | Address change (Ul. Rybacka 7, 53-656, Wrocław → Ul. Prosta 36, 53-508, Wrocław) | |
| 2017-04-19 | Address change (Ul. Romana Dmowskiego 17, 50-203, Wrocław → Ul. Rybacka 7, 53-656, Wrocław) |
FAQ
Last updated: 2026-10-13