The Callstack company source record lists 187 employees. The visible Callstack management graph includes:
Kien Tran
Product Owner in Software Development
0
0
IT
(37)
Kamil Kędzierski
Senior Frontend Developer - React - React Native - Typescript - Bored Founders Club (Bfc)
0
0
General
(19)
Barbara Markiewicz
Community & Events Manager at Callstack
1
0
HR
(5)
Aleksandra Matusiak
Recruitment Sourcing Specialist @Callstack
0
0
Marketing
(4)
Marta Pinkowska
Content Marketing - Account-based Marketing - Lead Generation
1
0
Finance
(2)
Monika Stotko
Finance and Administration Manager W Callstack
1
0
Sales
(1)
Arkadiusz Biczysko
Account Manager at Callstack
1
0
Related company intelligence for Callstack
6 same-industry peers
10 with employee estimates
10 with websites
10 with social profiles
4 peer evidence types
Peer evidence source coverage
4 source-backed evidence types support this related-company graph.
same-industry peers, employee benchmarks, website records, and social profiles
Same-industry peers
6 / 10
6 of 10 related companies share this company's industry classification.
Employee benchmarks
10 / 10
10 of 10 related companies include employee estimates.
Website records
10 / 10
10 of 10 related companies include official website records.
Social profiles
10 / 10
10 of 10 related companies include company social profile signals.
Peer link quality filter
High-confidence peer link set
10 related companies met the 2-signal peer-link threshold. Eligible peers average 4.0 source-backed signals.
10
eligible
0
filtered
4.0
avg signals
Peer comparison matrix
Limited peer comparison
Compares this company with related-company evidence across employee scale and peer graph evidence.
employee scale and peer graph evidence
Employee scale
Near peer median size
This company
187 employees
Related peers
200 median peer employees
5 related employee-estimated peers are higher and 5 are lower.
10 related companies with employee estimates
Peer graph evidence
Multi-signal peer benchmark evidence
This company
Benchmark-ready peer graph
Related peers
3 benchmark dimensions
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 4 evidence types: industry context, employee benchmarks, website records, social profiles.
industry context, employee benchmarks, website records, social profiles
Peer benchmark evidence
Multi-signal peer benchmark evidence
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 4 evidence types: industry context, employee benchmarks, website records, social profiles.
peer graph strength
size benchmark
size position
Peer position benchmark
Employee-scale peer position benchmark
Peer-position benchmark shows employee scale above 50% of 10 comparable related peers.
Directional peer-position evidence:
Peer-position evidence combines employee scale above 50% of 10 comparable related peers from related-company records.
Employee scale: 50%
Peer graph strength
Benchmark-ready peer graph
Related peer graph has industry context, employee benchmarks, website records, and social profiles across 10 related companies.
Peer median size
200 employees
Largest peer by size
Spyrosoft
1.12K employees
Callstack size signal
187 employees
Peer size comparison
5 larger · 5 smaller
Peer scale position
Near peer median size
5 related employee-estimated peers are higher and 5 are lower.
Callstack people graph sample
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Piotr Karwatka
Co-founder @ Open Agents Builder + Catch the Tornado / Oss Founder & Contributor
Wrocław, Dolnośląskie, Poland4 email signals across 3 non-official domains2 phone signals available
-
Boris Yankov
Bulgaria1 email signal across 1 non-official domain1 phone signal available
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Bartlomiej Dybowski
Senior React/reactnative Developer at Callstack
Wroclaw Metropolitan Area, Poland1 email signal across 1 non-official domain
How AeroLeads builds company intelligence
Use source-backed company records
AeroLeads combines company source fields, workforce samples, email-pattern aggregates, and related-company records when those signals are available.
Show only available evidence
Blank source fields are omitted. Contact channels are summarized as signals, with raw email addresses and phone numbers masked on public pages.
Compare useful company context
Related company, market, workforce, technology, and management signals help turn a static company listing into a company intelligence page.
Contact research
AeroLeads intelligence
Review reachable contact coverage for Callstack
AeroLeads maps 3 visible contact signals for Callstack. Coverage is multi-channel contact coverage.