Rhein-Sieg-Kreis: public contracts and tenders
Rhein-Sieg-Kreis awarded 86 public contracts worth €17.7M where a value is stated since 2023-10-27; the waste, cleaning and environmental services contract held by Rhein-Sieg Gebäudedienste UG (haftungsbeschränkt) ends on 2026-11-25 (signed + duration). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 25 of 86 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | Rhein-Sieg-Kreis |
| Country | Germany |
| Buyer type | Local authority |
| City | Siegburg |
| Sources | service.bund.de (Germany), EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| TH. Kramer Gebäudereinigung GmbH | DE145462121 VAT | kramer-gebaeudereinigung.de | 2 | n/a |
| KGC Geothermie Consulting GmbH | 2 | n/a | ||
| Wieprecht Services GmbH & Co. KG | 2 | €2.1M | ||
| AAS Rafuna Bau GmbH | aasrafunabau.de | 1 | n/a | |
| Buchholz & Meidt GmbH | buchholz-meidt.de | 1 | n/a | |
| Gentzsch GmbH | elektro-gentzsch.de | 1 | n/a | |
| enercity AG | DE811116141 VAT | enercity.de | 1 | €2.7M |
| Energietechnik Holl GmbH | HRB28050@koblenz Handelsregister (DE) | energietechnik-holl.de | 1 | n/a |
| A. Frauenrath Landschaftsbau GmbH & Co. KG | frauenrath.de | 1 | n/a | |
| HaWi Gebäudetechnik GmbH | hawi-gmbh.de | 1 | n/a | |
| HS Service GmbH | DE223123303 VAT | hs-service-schwarza.de | 1 | n/a |
| Keskin Fensterbau GmbH | DE812608023 VAT | keskinmb.de | 1 | n/a |
| Knubel GmbH & Co. KG | knubel.de | 1 | €227k | |
| Lampe Fliesen GmbH | lampefliesen.de | 1 | n/a | |
| Mercedes-Benz AG | DE321281763 VAT | mercedes-benz.de | 1 | n/a |
Suppliers named on Rhein-Sieg-Kreis's award notices (the top 15 of 67); registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.
Contracts ending in the next 18 months
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Rhein-Sieg-Kreis whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 7 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-10-27 | Wartungs-/Supportverlängerung für die Telekommunikationsanlage "Avaya" und den SIP-Trunk des Rhein-Sieg-Kreis… | 2026-09-25 | €693k |
| 2026-10-27 | Wartungs-/Supportverlängerung für die Telekommunikationsanlage "Avaya" und den SIP-Trunk des Rhein-Sieg-Kreis… | 2026-10-09 | €693k |
| 2026-10-27 | Wartungs-/Supportverlängerung für die Telekommunikationsanlage "Avaya" und den SIP-Trunk des Rhein-Sieg-Kreis… | 2026-10-20 | €693k |
| 2026-11-09 | Soziale Beratung für Mitarbeitende | 2026-10-20 | n/a |
| 2026-11-23 | Abschluss eines Versicherungsvertrages für die Kraftfahrzeuge des Rhein-Sieg-Kreises | 2026-10-22 | €1.6M |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Construction work | 45 | 30 | n/a |
| Waste, cleaning and environmental services | 90 | 4 | €2.6M |
| Office and computing equipment | 30 | 3 | €709k |
| Transport equipment | 34 | 3 | €2.5M |
| Security, fire-fighting and defence equipment | 35 | 3 | €738k |
| Financial and insurance services | 66 | 3 | €2.5M |
| Architecture and engineering services | 71 | 3 | €320k |
| Furniture and cleaning products | 39 | 2 | n/a |
| Software packages and information systems | 48 | 2 | €970k |
| Fuel and energy | 09 | 1 | €2.7M |
| Radio, TV and telecom equipment | 32 | 1 | €252k |
| Medical equipment and pharmaceuticals | 33 | 1 | €250k |
Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.
Recent awards
Follow this buyer free
Get Rhein-Sieg-Kreis's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in Germany). The same data is in the REST API and the MCP server.
Sources: service.bund.de (Germany), EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.
Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has Rhein-Sieg-Kreis awarded?
Rhein-Sieg-Kreis published 86 contract award notices between 2023-10-27 and 2026-10-01; the 25 that state a value add up to €17.7M (official notices, as of 2026-10-27).
Who are Rhein-Sieg-Kreis's biggest suppliers?
By contract awards: TH. Kramer Gebäudereinigung GmbH (2), KGC Geothermie Consulting GmbH (2) and Wieprecht Services GmbH & Co. KG (2) (as of 2026-10-27). Winners that could be a private person are not named.
Which Rhein-Sieg-Kreis contracts end soon?
7 contracts awarded by Rhein-Sieg-Kreis end in the next 18 months. The soonest with a named holder is the waste, cleaning and environmental services contract held by Rhein-Sieg Gebäudedienste UG (haftungsbeschränkt), ending on 2026-11-25 (signed + duration) (as of 2026-10-27).
Does Rhein-Sieg-Kreis have open tenders now?
Yes: 5 calls for tender from Rhein-Sieg-Kreis are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does Rhein-Sieg-Kreis buy?
Most of Rhein-Sieg-Kreis's awards are in Construction work (CPV 45) (30), Waste, cleaning and environmental services (CPV 90) (4) and Office and computing equipment (CPV 30) (3) (as of 2026-10-27).
Cite as: Arcadium Data, "Rhein-Sieg-Kreis tenders and contracts: 86 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/rhein-sieg-kreis-de/, data as of 2026-10-27.