Grayperson

Davidsson Tarkela Siren Arkkitehdit Oy

Business ID 1025174-3 Registered
Finland

Entity details

Organisation type
Limited company
Registration date
15 Nov 1995
EUID
FIFPRO.1025174-3
Trade Register status
Registered

Main business line

Main business line (TOL 2008)
71110 — Architectural activities

Current address

Kasarmikatu 36
00130 HELSINKI
Municipality Helsinki

Website

www.dtsa.fi

Corporate Income Tax Assessments

Tax year
2024
Taxable income
0.00
Total tax imposed
0.00
Back taxes from assessment
0.00
Tax refund
0.00

Public Procurement Accounting

Based only on participating public organisations. These amounts are signed accounting-posting totals, not company revenue, turnover, contract or award values, or cash paid. VAT treatment is not specified by the source. This is not complete Finnish public procurement.

Annual observed procurement accounting amounts

Indicator20262025202420232022
Observed procurement accounting amount392,555.22 EUR619,312.72 EUR805,413.54 EUR516,431.63 EUR211,724.84 EUR
Public buyers22222
Accounting rows327411910253
Latest observed date2 Jul 20268 Dec 202531 Dec 202431 Dec 20231 Dec 2022

Top public buyers

Totals across all displayed source years

Public buyerObserved procurement accounting amountAccounting rows
Kaupunkiympäristön Toimiala, Helsinki1,216,571.52 EUR153
Sosiaali- Ja Terveystoimiala, Helsinki729,597.13 EUR70
Helsingin kaupunki365,640.60 EUR21
Suomenlinnan hoitokunta206,714.08 EUR125
Museovirasto26,914.62 EUR11

Main procurement categories

Totals across all displayed source years

CategoryProduct/service groupObserved procurement accounting amountAccounting rows
KäyttöomaisuushankinnatKäyttöomaisuushankinnat2,246,211.37 EUR194
Asiantuntija- ja toimistopalvelutAsiantuntija- ja tutkimuspalvelut159,653.24 EUR98
Asiantuntija- ja toimistopalvelutAsiantuntija- ja tutkimuspalvelut50,191.63 EUR31
Rakennusten ja alueiden ylläpitoKunnossapitopalvelut32,004.59 EUR18
RakentaminenRakentamisen ennakkomaksut ja keskeneräiset hankinnat26,914.62 EUR11
RakentaminenRakentamis-, korjaus- ja kunnossapitopalvelut15,406.25 EUR19
RakentaminenRakentamis-, korjaus- ja kunnossapitopalvelut15,056.25 EUR9

Public Procurement Award Notices

Exact-linked award notices from Finland's HILMA AVP search index. This section is not a complete procurement or spending history. Values are source-reported award or estimated values, not invoices, revenue, or cash paid.

PublishedNoticeTypeSource-reported valueCPV codes
19 Aug 20262026-055088Contract award notices673144.00 EUR71000000
30 May 20262026-050239Contract award notices263250.00 EUR71240000
12 Apr 20262026-046166Contract award notices62000000.00 EUR71000000 71200000
5 Jun 20242024-010571Contract award notices1900000.00 EUR71200000
12 Jan 20242024-004070Contract award notices3143475.00 EUR71200000

Financial Statements

No information available for this company in this registry.

Public support and funding

No information available for this company in the connected official sources.

LEI & Corporate Relationships ?

No verified LEI record is linked to this company in the published GLEIF data.

Sanctions & Restrictions

6 jurisdictions · 10 registries

Last successful source check: .

No confirmed matches
  • Australian Sanctions Consolidated List No confirmed matches

    Maintained by Department of Foreign Affairs and Trade. Official entity records subject to Australian targeted sanctions. The source reference identifies each record in the official document.

    No confirmed match for this company in this source.

  • EU consolidated financial sanctions list No confirmed matches

    Maintained by European Commission — DG FISMA. Official enterprise records subject to EU financial sanctions, with links to the published legal acts.

    No confirmed match for this company in this source.

  • French national asset-freeze register No confirmed matches

    Maintained by French Directorate General of the Treasury. Official legal-person records in France’s national asset-freeze register, including applicable EU and national measures.

    No confirmed match for this company in this source.

  • UK Sanctions List No confirmed matches

    Maintained by Foreign, Commonwealth & Development Office. Current UK sanctions entity designations and specifications. Retired OFSI data is excluded.

    No confirmed match for this company in this source.

  • OFAC CAPTA List No confirmed matches

    Maintained by US Department of the Treasury — OFAC. Restrictions on correspondent or payable-through accounts; this list is distinct from SDN asset blocking.

    No confirmed match for this company in this source.

  • OFAC Non-SDN CMIC List No confirmed matches

    Maintained by US Department of the Treasury — OFAC. Restrictions on specified securities investments in Chinese military-industrial complex companies.

    No confirmed match for this company in this source.

  • OFAC Non-SDN Menu-Based Sanctions List No confirmed matches

    Maintained by US Department of the Treasury — OFAC. Source-specified menu-based sanctions; restrictions vary by entity.

    No confirmed match for this company in this source.

  • OFAC Sectoral Sanctions Identifications List No confirmed matches

    Maintained by US Department of the Treasury — OFAC. Sectoral restrictions on specified dealings; an SSI listing does not itself imply asset blocking.

    No confirmed match for this company in this source.

  • Specially Designated Nationals List No confirmed matches

    Maintained by US Department of the Treasury — OFAC. Official OFAC SDN entity records. Company links require exact official registration identifiers.

    No confirmed match for this company in this source.

Related records do not establish a direct designation. This source-derived status does not express general legal compliance.

Data sources