R-S OSA Service OÜ: tenders, sectors & how to win their contracts

R-S OSA Service OÜ has published 31 tenders in Estonia.

Its buying spans 4 CPV divisions, most often research and development services and related consultancy services.

Across 15 awarded contracts the median value is €135.2k.

Its published awards total €3.8m.

How to win their contracts

Measured from R-S OSA Service OÜ's own published record — no estimates, no generic advice.

Plan for about 16 days to prepare a bid — that is the median gap between publication and deadline across 30 of their tenders.
They publish about 0.6 tenders a month, measured over 51 months of history.
Half of their 15 awarded contracts are worth €135.2k or less — size your bid to that range.
Most of their buying falls in research and development services and related consultancy services, industrial machinery, architectural, construction, engineering and inspection services.
Their most frequent suppliers are OÜ OTTER AG (2) — expect to bid against incumbents who already know this buyer.

Tender	Winner	Tender closed	Contract Value
Lab tests for the study of plateau ash valorisation	OÜ OTTER AG	27 October 2025	€50k
PCC DEMO PLANT ERECTION AND INSTALLATION	RVT Ehitus OÜ	25 February 2025	€1.5m
Lab tests for the study of plateau ash valorisation	OÜ OTTER AG	21 November 2024	€50k
Vent Gas Scrubber System	Tholander Ablufttechnik GmbH	26 June 2024	€102k
PCC Dewatering – Decanter Centrifuge	SIA Alfa Laval	21 June 2024	€154.2k
Pressure Filters	ENVITES spol. s r.o.	21 June 2024	€332.9k

Contracts are dated by the tender's closing date — award dates are not published in the source data.