Davidsson Tarkela Siren Arkkitehdit Oy: public contracts won
Davidsson Tarkela Siren Arkkitehdit Oy (dtsa.fi) won 6 public contract awards from 4 public buyers between 2024-01-12 and 2026-08-19; the 4 it won alone that state a value total €4.2M. Source: Arcadium Data, data as of .
Company
| Field | Value |
|---|---|
| Registry number | 1025174-3 |
| Register | PRH / YTJ (FI) |
| Register status | Active |
| Website | dtsa.fi |
Davidsson Tarkela Siren Arkkitehdit 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.
Hiring at Davidsson Tarkela Siren Arkkitehdit Oy: open jobs, ATS and company signals.
Awards per month
Contract award notices naming Davidsson Tarkela Siren Arkkitehdit Oy as a winner, by publication month, 2023-11 to 2026-10.
Top public buyers
| Buyer | Awards |
|---|---|
| Helsingin kaupunki, kaupunkiympäristön toimiala | 3 |
| Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala | 1 |
| Kansaneläkelaitos | 1 |
| Vantaan kaupunki / Kaupunkiympäristön toimiala / Kiinteistöt ja tilat / Toimitilajohtaminen | 1 |
Sectors (CPV divisions)
| Sector | CPV | Awards |
|---|---|---|
| Architecture and engineering services | 71 | 6 |
Buyer countries
| Country | Awards |
|---|---|
| Finland | 6 |
Recent awards
| Published | Contract | Buyer | Value |
|---|---|---|---|
| 2026-08-19 | Myyrmäen urheilutalon uimahallin peruskorjaus ja laajennus, pää- ja arkkitehtisuunnittelun hankinta | Vantaan kaupunki / Kaupunkiympäristön toimiala / Kiinteistöt ja tilat / Toimitilajohtaminen | €673k |
| 2026-07-01 | Malmin uuden pelastusaseman pää- ja arkkitehtisuunnittelu | Helsingin kaupunki, kaupunkiympäristön toimiala | €155k |
| 2026-06-01 | Jälki-ilmoitus: Helsingin Rudolf Steiner-koulun uudet tilat, pää- ja arkkitehtisuunnittelu | Helsingin kaupunki, kaupunkiympäristön toimiala | €263k |
| 2026-04-13 | Vaativien tilahankkeiden pää- ja arkkitehtisuunnittelun puitejärjestely 2026-2028 (2028-2030) (16 winners) | Helsingin kaupunki, kaupunkiympäristön toimiala | €62.0M |
| 2024-06-05 | Sosiaali,- terveys- ja pelastustoimialan tilahankkeiden konsepti- ja viitesuunnittelu (6 winners) | Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala | €1.9M |
| 2024-01-12 | Kelan pääkonttorin peruskorjauksen pää- ja arkkitehtisuunnittelu | Kansaneläkelaitos | €3.1M |
Value = the awarded value the notice states, in EUR (converted at the notice date). 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 dtsa.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, 3,611,641 official public procurement notices from EU TED and UK Find a Tender, read through their open-data APIs (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-26.
Questions
How many public contracts has Davidsson Tarkela Siren Arkkitehdit Oy won?
Davidsson Tarkela Siren Arkkitehdit Oy won 6 public contract awards published between 2024-01-12 and 2026-08-19, from 4 public buyers (official notices in EU TED and UK Find a Tender, as of 2026-10-26).
Who are Davidsson Tarkela Siren Arkkitehdit Oy's biggest public-sector customers?
The public buyers that awarded Davidsson Tarkela Siren Arkkitehdit Oy the most contracts are Helsingin kaupunki, kaupunkiympäristön toimiala (3), Helsingin kaupungin sosiaali-, terveys- ja pelastustoimiala (1) and Kansaneläkelaitos (1) (awards, as of 2026-10-26).
What does Davidsson Tarkela Siren Arkkitehdit Oy supply to the public sector?
Most of Davidsson Tarkela Siren Arkkitehdit Oy's awards are in Architecture and engineering services (CPV 71) (6) as of 2026-10-26.
What is the value of Davidsson Tarkela Siren Arkkitehdit Oy's public contracts?
The 4 awards Davidsson Tarkela Siren Arkkitehdit Oy won alone that state a value add up to €4.2M; awards shared with other winners state one total for all and are not counted (as of 2026-10-26).
Cite as: Arcadium Data, "Davidsson Tarkela Siren Arkkitehdit Oy public tenders won: 6 contract awards", https://arcadiumdata.io/tenders/winners/dtsa.fi/, data as of 2026-10-26.