Siskon Siivous Oy: public contracts won
Siskon Siivous Oy (siskonsiivous.fi) won 19 public contract awards from 12 public buyers between 2023-10-25 and 2026-09-16; the 6 it won alone that state a value total €2.7M. Source: Arcadium Data, data as of .
Company
| Field | Value |
|---|---|
| Registry number | 0977912-9 |
| Register | PRH / YTJ (FI) |
| Register status | Active |
| Website | siskonsiivous.fi |
Siskon Siivous Oy is linked to its register entry through the registration or VAT number stated on its award notices; the website comes from the register or the notices.
Contracts ending in the next 18 months
| Ends | Contract | Buyer | Value | End date basis |
|---|---|---|---|---|
| 2027-08-11 | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimialan Itäisen suurpiirin toimipisteiden laitoshuoltopa… | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala (FI) | €3.0M | signed + duration |
| 2027-08-11 | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimialan Pohjoisen suurpiirin toimipisteiden laitoshuolto… | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala (FI) | €2.8M | signed + duration |
| 2027-08-11 | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimialan Kaakkoisen suurpiirin toimipisteiden laitoshuolt… | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala (FI) | €3.0M | signed + duration |
| 2027-08-15 | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimialan Koillisen suurpiirin toimipisteiden laitoshuolto… | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala (FI) | €7.2M | signed + duration |
Contracts ending = award notices naming Siskon Siivous Oy 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. 4 contracts.
Awards per month
Contract award notices naming Siskon Siivous Oy as a winner, by publication month, 2023-11 to 2026-10.
Top public buyers
| Buyer | Awards |
|---|---|
| Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala | 5 |
| Espoon kaupunki | 3 |
| Kulttuurin ja vapaa-ajan toimiala | 2 |
| Espoon Asunnot Oy | 1 |
| Euroopan kemikaalivirasto (ECHA) | 1 |
| Kansaneläkelaitos | 1 |
| Kanta-Hämeen hyvinvointialue | 1 |
| Kuntien Tiera Oy | 1 |
| Metsähallitus | 1 |
| Numera Palvelut Oy | 1 |
| Oy Apotti Ab | 1 |
| Vantaan kaupunki | 1 |
Sectors (CPV divisions)
| Sector | CPV | Awards |
|---|---|---|
| Waste, cleaning and environmental services | 90 | 19 |
Buyer countries
| Country | Awards |
|---|---|
| Finland | 19 |
Recent awards
Value = the awarded value the notice states, in EUR (converted at the notice date); framework agreements show none (their value is a ceiling, not spend). A notice with several winners or lots states one total for all of them: it is shown per notice in the table but left out of "value won alone". Matched to siskonsiivous.fi by company name, country and registry number where the notice states one.
Track public contracts
Get every new call for tender and contract award in your sectors and countries, keyed by winner domain: a daily feed, the REST API and an MCP server for AI agents. Free to start, no card.
Source: Arcadium Data tenders database, 3,756,546 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 Siskon Siivous Oy won?
Siskon Siivous Oy won 19 public contract awards published between 2023-10-25 and 2026-09-16, from 12 public buyers (official notices in EU TED and UK Find a Tender, as of 2026-10-27).
Who are Siskon Siivous Oy's biggest public-sector customers?
The public buyers that awarded Siskon Siivous Oy the most contracts are Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala (5), Espoon kaupunki (3) and Kulttuurin ja vapaa-ajan toimiala (2) (awards, as of 2026-10-27).
What does Siskon Siivous Oy supply to the public sector?
Most of Siskon Siivous Oy's awards are in Waste, cleaning and environmental services (CPV 90) (19) as of 2026-10-27.
What is the value of Siskon Siivous Oy's public contracts?
The 6 awards Siskon Siivous Oy won alone that state a value add up to €2.7M; awards shared with other winners state one total for all and are not counted (as of 2026-10-27).
Cite as: Arcadium Data, "Siskon Siivous Oy public tenders won: 19 contract awards", https://arcadiumdata.io/tenders/winners/siskonsiivous.fi/, data as of 2026-10-27.