TSS GRADE, a.s.

Private · HQ SK

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Kind: Track & electrification contractor
Markets: 1
Positions held: 5

Bratislava company modernising and rebuilding railway and tram track, including rail welding.

Kind: Track & electrification contractor
Headquarters: SK
Ownership: Private
Segments: Track, Civil works
Present in: European Union

Footprint

European Union

Kind	Where	Detail	Sources
Project presence	Slovakia	Named as a winner on 5 awarded tenders the Atlas carries (buyers: ŽSR, ZSSK)	● European Union · TED notice 44572-2024 — contract-award notice, Modernizácia železničnej trate Žilina – Košice, úsek trate Poprad Tatry (mimo) – Krompachy, Časť A.1 Poprad Tatry (mimo) – Vydrník; notice total and BT-720 value of the tender both EUR 368,897,543.08; tenderers TSS GRADE, a.s. and Doprastav, a.s., with GEOKOD, s.r.o., SKANSKA SPÓŁKA AKCYJNA and ELZA - Elektromontážny závod Bratislava a. s. in organisation-name-subcontractor; contract ZOD/22025/001 of 22 December 2023 (published 2024-01-23 · checked 2026-09-13) ● European Union · TED notice 671430-2025 — contract-modification notice, ŽSR, Modernizácia koridoru, štátna hranica ČR/SR – Čadca – Krásno nad Kysucou (mimo), železničná trať, 3. etapa; total EUR 89,921,235.18 after amendment 6 (EUR 86,113,366.36 after amendment 5); TSS GRADE, a.s. and VÁHOSTAV - SK, a.s.; contract ZOD/21012/001 of 28 March 2022 (published 2025-10-13 · checked 2026-09-13) ● European Union · TED notice 638765-2025 — contract-modification notice, ŽSR, Elektrifikácia trate Haniska – Veľká Ida – Moldava nad Bodvou mesto; total EUR 74,875,404.14; ELTRA, s.r.o. and TSS GRADE, a.s.; contract 122002-24062020-001 of 30 June 2021 (published 2025-09-30 · checked 2026-09-13) ● European Union · TED notice 404952-2026 — contract-modification notice, Nižná Myšľa – Ruskov, komplexná rekonštrukcia k. č. 2, dĺžka 6,596 km; total EUR 38,107,840.06 after amendment 7; TSS GRADE, a.s. and OHLA ŽS, a.s.; contract ZOD/24026/001 of 20 December 2024 (published 2026-06-12 · checked 2026-09-13)

Positions held

SegmentTechnologyPhase

awarded by ZSSK — ZSSK technical-hygiene maintenance depot Košice — TSS GRADE, a.s. (active · since 2025-12)
awarded by ŽSR — ŽSR Nižná Myšľa–Ruskov comprehensive reconstruction — TSS GRADE, a.s. (active · since 2024-12)
awarded by ŽSR — ŽSR Poprad Tatry–Vydrník modernisation — TSS GRADE, a.s. (active · since 2023-12)
awarded by ŽSR — ŽSR CZ/SK corridor Čadca–Krásno modernisation — TSS GRADE, a.s. (active · since 2022-03)
awarded by ŽSR — ŽSR Haniska–Moldava nad Bodvou electrification — TSS GRADE, a.s. (active · since 2021-06)

Sources for these relationships (8)

● Ministerstvo dopravy Slovenskej republiky · Stavebný ruch na Kysuciach aj jednotný cestovný lístok — rezort dopravy čaká v roku 2026 viacero významných projektov (rail projects due to complete in 2026, the December 2025 government action plan for railway safety, and the single integrated ticket) (published 2026-01-02 · checked 2026-09-13)
● Ministerstvo dopravy Slovenskej republiky · Najväčšia železničná stavba napreduje — Poprad–Vydrník modernisation, the 711 m Španí Háj tunnel with 28 safety recesses, line speed 160 km/h, funded from Program Slovensko (published 2026-05-26 · checked 2026-09-13)
● European Union · TED notice 671430-2025 — contract-modification notice, ŽSR, Modernizácia koridoru, štátna hranica ČR/SR – Čadca – Krásno nad Kysucou (mimo), železničná trať, 3. etapa; total EUR 89,921,235.18 after amendment 6 (EUR 86,113,366.36 after amendment 5); TSS GRADE, a.s. and VÁHOSTAV - SK, a.s.; contract ZOD/21012/001 of 28 March 2022 (published 2025-10-13 · checked 2026-09-13)
● European Union · TED notice 638765-2025 — contract-modification notice, ŽSR, Elektrifikácia trate Haniska – Veľká Ida – Moldava nad Bodvou mesto; total EUR 74,875,404.14; ELTRA, s.r.o. and TSS GRADE, a.s.; contract 122002-24062020-001 of 30 June 2021 (published 2025-09-30 · checked 2026-09-13)
● European Union · TED notice 404952-2026 — contract-modification notice, Nižná Myšľa – Ruskov, komplexná rekonštrukcia k. č. 2, dĺžka 6,596 km; total EUR 38,107,840.06 after amendment 7; TSS GRADE, a.s. and OHLA ŽS, a.s.; contract ZOD/24026/001 of 20 December 2024 (published 2026-06-12 · checked 2026-09-13)
● European Union · TED notice 44572-2024 — contract-award notice, Modernizácia železničnej trate Žilina – Košice, úsek trate Poprad Tatry (mimo) – Krompachy, Časť A.1 Poprad Tatry (mimo) – Vydrník; notice total and BT-720 value of the tender both EUR 368,897,543.08; tenderers TSS GRADE, a.s. and Doprastav, a.s., with GEOKOD, s.r.o., SKANSKA SPÓŁKA AKCYJNA and ELZA - Elektromontážny závod Bratislava a. s. in organisation-name-subcontractor; contract ZOD/22025/001 of 22 December 2023 (published 2024-01-23 · checked 2026-09-13)
● European Union · TED notice 846443-2025 — contract-award notice, Technicko-hygienická údržba železničných koľajových vozidiel pre stredisko Košice; total EUR 178,979,000 (highest tender EUR 179,163,923.71); Metrostav Slovakia a. s., TSS GRADE, a.s. and DOPSYS, s.r.o.; contract 4600008727/VS/2025 of 17 December 2025 (published 2025-12-19 · checked 2026-09-13)
● European Union · TED notice 182379-2026 — contract-modification notice for the Košice technical-hygiene maintenance depot contract (published 2026-03-17 · checked 2026-09-13)

Competes with

Other track & electrification contractor players present in the same markets.

Player	HQ	Markets	Positions
Swietelsky	Austria	European Union	26
Leonhard Weiss	Germany	European Union	8
EŽ Praha	Czechia	European Union	7
Colas Rail	France	European Union, United Kingdom	5
Rhomberg Sersa	Austria	European Union, United States	5
GoTrack	EE	European Union	5
ZUE	Poland	European Union	5
NGE / TSO	France	European Union	4

5 sources · all primary

● European Union · TED notice 671430-2025 — contract-modification notice, ŽSR, Modernizácia koridoru, štátna hranica ČR/SR – Čadca – Krásno nad Kysucou (mimo), železničná trať, 3. etapa; total EUR 89,921,235.18 after amendment 6 (EUR 86,113,366.36 after amendment 5); TSS GRADE, a.s. and VÁHOSTAV - SK, a.s.; contract ZOD/21012/001 of 28 March 2022 (published 2025-10-13 · checked 2026-09-13)
● European Union · TED notice 638765-2025 — contract-modification notice, ŽSR, Elektrifikácia trate Haniska – Veľká Ida – Moldava nad Bodvou mesto; total EUR 74,875,404.14; ELTRA, s.r.o. and TSS GRADE, a.s.; contract 122002-24062020-001 of 30 June 2021 (published 2025-09-30 · checked 2026-09-13)
● European Union · TED notice 404952-2026 — contract-modification notice, Nižná Myšľa – Ruskov, komplexná rekonštrukcia k. č. 2, dĺžka 6,596 km; total EUR 38,107,840.06 after amendment 7; TSS GRADE, a.s. and OHLA ŽS, a.s.; contract ZOD/24026/001 of 20 December 2024 (published 2026-06-12 · checked 2026-09-13)
● European Union · TED notice 44572-2024 — contract-award notice, Modernizácia železničnej trate Žilina – Košice, úsek trate Poprad Tatry (mimo) – Krompachy, Časť A.1 Poprad Tatry (mimo) – Vydrník; notice total and BT-720 value of the tender both EUR 368,897,543.08; tenderers TSS GRADE, a.s. and Doprastav, a.s., with GEOKOD, s.r.o., SKANSKA SPÓŁKA AKCYJNA and ELZA - Elektromontážny závod Bratislava a. s. in organisation-name-subcontractor; contract ZOD/22025/001 of 22 December 2023 (published 2024-01-23 · checked 2026-09-13)
● RailMarket · TSS GRADE, a.s. — company page (checked 2026-10-03)

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