J3S
Construction and renovation services for commercial clients, developers and private investors
Highlights
- New on EvolcAdded 2026-11-07
About J3S
J3S carries out new construction, renovations, repairs and related building work, from project preparation and coordination through completion. Services also include investor technical supervision, maintenance and installation of shelving systems.
Its customers include companies, developers and private investors. The company works in the Czech Republic, Slovakia, Poland, Austria and Italy.
J3S s.r.o. is based in Ostrava and was founded in 2012. It was formed by transforming ARCONCZ, which was established in 1999.
Product: Construction, renovation, repair, investor technical supervision, maintenance and shelving-system installation services.
Public contracts
Contracts J3S signed since 1 Nov 2024, from the Slovak and Czech public contract registers. Values as published; amendments are not counted.
Customers
2 contracts with 1 buyer · 165k CZK
| Contracts | Value | |
|---|---|---|
| Povodí Odry, státní podnik | 2 | 165k CZK |
Latest contracts
Jobs at J3S
Leadership
- Jan Špatenka · Jednatel (Managing director)Source: business register
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Backend
- PHPHigh confidence
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- Response headerx-powered-by
- Response headerx-powered-by
- Response headerx-powered-by
Content management
- WordPressHigh confidence
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- Website resourcedeclared script/iframe or software asset
Hosting
- LiteSpeedHigh confidence
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Detection evidence
- Response headerserver
- Response headerserver
- Response headerserver
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.