SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Callstack.io
Callstack.io Spółka z Ograniczoną Odpowiedzialnością
SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Callstack.io Spółka z Ograniczoną Odpowiedzialnością
Callstack.io Spółka z Ograniczoną Odpowiedzialnością (KRS 0000606530, NIP 8992785616) is a Polish company, headquartered in Wrocław, Dolnośląskie voivodeship. CALLSTACK.IO operates in: Computer programming, consultancy and related activities (PKD 62.10.B). Industry: IT and software. The company has been listed in the National Court Register since March 7, 2016. CALLSTACK.IO's most recently reported net revenue was 127.9 M PLN for 2024.
No arrears identified in the analyzed sources
No arrears or bankruptcy proceedings identified in the analyzed sources.
Main activity
62.10.BComputer programming, consultancy and related activities
Other activities
General codes (divisions and groups)
General codes indicate a PKD division or group without a specific subclass.
Credibility rating
82.8 / 100
Very good credibility
Insolvency risk
Very low
Low threat
Closure risk
1
/ 100
Risk comparison - scale 0 (safe) → 100 (critical)
No instability signals - ownership, management, PKD codes and company name remain relatively stable.
Shareholder changes
5
5/10 yrs
Board changes
6
6/10 yrs
PKD changes
1
1/10 yrs
Name changes
0
0/10 yrs
Data from 10 years of registry activity.
Payment reliability score from 2018–2024
Current: B (83/100)
Trend: stable (0.0 pts/year)
High payment credibility - the company's financial condition is good and the risk of cooperating with it is low.
Standard limit from 2018–2024
Current: 39.1 M PLN
Safe: 15.3 M PLN
Difference between risk models
Closure - probability of ceasing operations (operational continuity). Insolvency - probability of formal bankruptcy / restructuring. The models use different data - results can diverge significantly when balance-sheet data is incomplete.
Founded
March 7, 2016
10 years in operation
Legal form
SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Registry: RejP
Headquarters
WROCŁAW
DOLNOŚLĄSKIE
Primary PKD
62.10.B
Computer programming, consultancy and related activities
Share capital
100.0 K PLN
2,000 shares total
Shareholders
1
shareholder
Board
2 people
Filed years
7 years
2018–2024
Registry entries
45
latest: December 4, 2025
Revenue
127.9 M PLN
2024
Net profit
42.4 M PLN
2024
Assets
54.0 M PLN
2024
Equity
43.5 M PLN
2024
EBITDA
47.4 M PLN
2024
Valuation
454.8 M PLN
High confidence
Global Legal Entity Identifier (LEI) for Callstack.io from the GLEIF database - code, status, BIC, registered address and registration details.
LEI code
2594000HOUYG5MN1XC77
Legal name
CALLSTACK.IO SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Registry number
0000606530
Jurisdiction
PL
Registered address
Wrocław Prosta 3653-508 WrocławPLHeadquarters
Same as registered address.
Rate business credibility - Callstack.io.
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News
Kraków-based Ailleron S.A. (KRS 0000385276) closed 2025 with record revenue of PLN 579.7 m (+4% YoY) and net profit of PLN 25.7 m, with 77% of sales generated from exports. In April 2026 negotiations with Tailwind Capital Partners over a 100% sale of Software Mind broke down. New CEO Tomasz Król is betting on LiveBank expansion in North and South America (contract with one of Canada's top-5 banks).

News
Asseco Business Solutions S.A. (KRS 0000028257, Lublin) closed 2025 with record revenue of PLN 476.77 m (+11.2% YoY), EBITDA of PLN 185.3 m (+12.8%) and net profit of PLN 132.9 m (+15.5%). The board recommends a PLN 3.75 per share dividend, 14% higher than in 2024 (PLN 3.30). The total payout is PLN 125.32 m; the final decision rests with the AGM. ABS remains a subsidiary of Asseco Poland.
GLEIF data, retrieved 2026-04-29.
View 2594000HOUYG5MN1XC77 on GLEIFAnswers to questions about the company's activity, registered office, identifiers, financial data, capital and control.
CALLSTACK.IO's board has 2 members.
20 historical registry entries for Callstack.io
Board change, Shareholder change
WR.VI NS-REJ.KRS/25421/24/830
Change in Section 1 (basic data)
WR.VI NS-REJ.KRS/25421/24/830/ADE
Filing documents submitted (4 documents)
Board change, Shareholder change
WR.VI NS-REJ.KRS/24929/25/475
Share capital change, Representation rule change, Shareholder change, Articles of association amended, Change in Section 2 (management and representation), Primary PKD code change, Secondary PKD code change
WR.VI NS-REJ.KRS/37546/25/730
Latest reporting year
2024
Available years
9
Filing entries
0
Competing companies or those operating in the same market segment as Callstack.io (in Wrocław, industry: IT and software).
WROCŁAW· IT and software
Revenue 2025: 601.3 M PLN
WROCŁAW· IT and software
Revenue 2024: 385.1 M PLN
WROCŁAW· IT and software
Revenue 2024: 361.8 M PLN
WROCŁAW· IT and software
Revenue 2024: 201.3 M PLN
POLKOWICE· IT and software
Revenue 2025: 125.5 M PLN
WROCŁAW· IT and software
Revenue 2024: 120.6 M PLN