R-SYS
Develops air traffic management and control software for civil and military aviation operators and defence clients
Highlights
- ProfitableFY2025 net profit €82k · RÚZ
About R-SYS
R-SYS develops and implements software for air traffic management, air traffic control, surveillance data processing, and communications. Its products include airport ATC, modular ATM, and digital recording and replay systems.
The company provides tailored development, delivery, monitoring, maintenance, and support to international aviation and defence clients. It also develops software products for its parent company, ERA a.s.
Founded in 1996, R-SYS is headquartered in Trenčín, Slovakia, and has a distributed team across Slovak locations, including Košice. It became a subsidiary of ERA in 2016 and reported employing 55 engineers and aviation specialists in 2025.
Product: Tailored aviation software for air traffic management and control, surveillance data processing, communications, and recording and replay.
Financials
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Revenue | €4.4M | €3.7M | €2.9M | €2.2M | €2.5M |
| Growth | +19% | +29% | +30% | −9% | — |
| EBITDA | €213k | €179k | €276k | €86k | €498k |
| Operating profit | €106k | €69k | €247k | €59k | €392k |
| Net profit | €82k | €69k | €215k | €75k | €336k |
| Net margin | 1.9% | 1.9% | 7.5% | 3.4% | 13.7% |
| Personnel costs | €2.5M | €2.0M | €1.9M | €1.7M | €1.4M |
| Total assets | €2.6M | €2.3M | €2.1M | €1.9M | €1.8M |
| Cash | €675k | €680k | €625k | €948k | €795k |
| Liabilities | €509k | €375k | €286k | €306k | €215k |
| Equity | €1.8M | €1.8M | €1.7M | €1.5M | €1.4M |
As filed with RÚZ (Slovak register of financial statements). Each year links to its statement.
Public contracts
Contracts R-SYS signed since 1 Nov 2024, from the Slovak and Czech public contract registers. Values as published; amendments are not counted.
Customers
4 contracts with 2 buyers · €1.2M
| Contracts | Value | |
|---|---|---|
| Letové prevádzkové služby Slovenskej republiky, štátny podnik | 3 | €1.1M |
Open public tenders for R-SYS →
Suppliers
1 contract with 1 supplier · —
| Contracts | Value | |
|---|---|---|
| Letisko M. R. Štefánika - Airport Bratislava, a. s. (BTS) | 1 | — |
Latest contracts
- 14 Oct 2025 from Letisko M. R. Štefánika - Airport Bratislava, a. s. (BTS) · Zmluva o podmienkach prístupu k letiskovej infraštruktúre a užívaní priestoru Airside poskytovateľmi služieb na letisku register
- 17 Jun 2025 for Letové prevádzkové služby Slovenskej republiky, štátny podnik · Zmluva o dielo · €540k register
- 17 Dec 2024 for Letové prevádzkové služby Slovenskej republiky, štátny podnik · Servisná zmluva na podporu softvérových systémov · €512k register
- 6 Dec 2024 for Letové prevádzkové služby Slovenskej republiky, štátny podnik · Zmluva o dielo na úpravu aplikačného SW IntegMon-AFTN terminál · €68k register
Public tenders won
3 tenders won since 1 Jan 2024 from 2 public buyers in Austria, Netherlands, worth €11.6M as awarded. From EU award notices (TED) that name R-SYS by its registry number.
- 12 Dec 2025 Austro Control Österreichische Gesellschaft für Zivilluftfahrt mit beschränkter Haftung · ARO-Portal Modul inklusive Anpassung des Wartungsvertrag · €426k notice
- 17 Jul 2025 Austro Control Österreichische Gesellschaft für Zivilluftfahrt mit beschränkter Haftung · Lieferung und Inbetriebnahme eines integrierten Homebriefing3-Systems für die Austro Control GmbH · €1.2M notice
- 6 Sep 2024 Luchtverkeersleiding Nederland · Flight Data Services solution · €10.0M notice
Jobs at R-SYS
Leadership
- Marek Náhlik · Konateľ (Managing director)Source: business register
- Pavol Serbín · Konateľ (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.
Analytics
- Google Tag ManagerMedium confidence
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- Integration code on pageinline script loader
Content delivery
- CloudflareHigh confidence
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- Website resourcedeclared script/iframe or software asset
- Response headerserver
- Response headerserver
Content management
- WordPressHigh confidence
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- Website resourcedeclared script/iframe or software asset
Hosting
- AWSMedium confidence
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Detection evidence
- Page markupsoftware structure signature
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.