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Search›Companies›SIREA OÜ
14291099ActivePrivate limited companyEE101991623 · VAT-registered

SIREA OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tatari tn 21b-18·EMTAK 71111 — Architectural activities·9+ years
Andmed · ···
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Overview

e-Business Register · 18 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
07.07.2017e-Business Register
Address
Tatari tn 21b-18, Kesklinna linnaosa, Tallinn, 10116 Harju maakondADS · e-Business Register
E-mail address
info@aeris.eee-Business Register
Principal activity
EMTAK 71111 - Architectural activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €e-Business Register
Estonia's public business register
HomeViewsIndustriesBlogSourcesAbout

Public registry of Estonian companies — every fact traceable to a source and a date. Free and ad-free for everyone.

Nimistu MTÜ
Address: Parda tn 8, 10151 Tallinn, Estonia
E-mail: info@nimistu.ee

Browse

  • Home
  • Views
  • Industries
  • Activity licences
  • Recent registrations

Data

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  • Database
  • Extensions
  • MCP

Organisation

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  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 9 sourcese-Business Register · 7 min agoMTARTKProcurements
e-Business Register ↗

Registered 7. juuli 2017, primary activity: Architectural activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
81 300 €
▼ 42% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
4
2026 (MTA)
Taxes paid
44 274 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
156k €
▼ 25% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
4
2026 (MTA)
Taxes paid
92k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current €0max 5k €
11 Jun 202611 Jul 202610 Aug 2026
30 days
−5k €
5210,24 € → 0,00 €
90 days
–
no data yet
365 days
–
no data yet

Officers

e-Business Register · 18 h ago
KÖ
Kätlin Ölluk
Born 1977 · 49 y · board member since 07.07.2017
Board member

Founders (2)

e-Business Register · 18 h ago
KO
Kreatiivprojekt OÜLEGAL PERSON
Legal person · 11868032 · founder since 19.06.2017
Founder · 1k €
NP
Nobe Partners OÜ
LEGAL PERSON
Legal person · 12524369 · founder since 19.06.2017
Founder · 2k €

Shareholders

e-Business Register · 18 h ago
KO
Kreatiivprojekt OÜLEGAL PERSON
Legal person · 11868032 · shareholder since 02.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
331k €
↘ -11.9% vs 2024
State taxes 2025
106k €
↗ +41.4% vs 2024
Employees 2025
4
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
2025331 298 €−12 469 €45k €116k €416.06.2026
2024375 850 €38 102 €65k €100k €430.06.2025
2023387 919 €26 206 €27k €72k €327.06.2024
2022284 840 €−2338 €
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
200k €100k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q155 910 €57 350 €34 401 €4
2025344 361 €106 464 €70 746 €5
2024297 064 €75 294 €48 004 €4
2023359 632 €87 810 €49 348 €4
2022337 496 €90 714 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202675k €81k €––
State taxes 202630k €28k €––
Taxes on workforce 202618k €17k €––
Employees 202654––
Revenue 202566k €141k €43k €94k €
State taxes 202520k €30k €

Public procurements (2 · 90k €)

Procurement Register · 17 h tagasi
Awards
2
2024–2024 · 1 year
Total amount
90k €
avg 45k €
Buyers
2
top: Välisministeerium
Latest
03.10.2024
– · Riigi Kinnisvara Aktsiaselts
BuyersAll2Välisministeerium1Riigi Kinnisvara Aktsiaselts1
20242 awards90k €
03.102024
Narva vanalinna põhikooli sisearhitektuurivõistlus
ServicesNotice 9a4a7c60-af35-44c6-bb49-b176fb3b49d7
Riigi Kinnisvara Aktsiaselts
10788733
—
Award value
19.062024
Eesti Vabariigi suursaatkonna Berliinis projekteerimine ja autorijärelevalve
ServicesNotice c59bb97e-94b3-42e3-bdb0-d8646b0e7a55
Välisministeerium
70002526

State-sector payments (13 · 107k €)

RTK Makseandmik · 15.05.2026
Transactions
13
2024–2026 · 3 years
Total amount
107k €
avg 8k €
Buyers
3
State and municipal bodies
Latest
13.01.2026
7k € · VÄLISMINISTEERIUM

2026: 7k € · 2025: 15k € · 2024: 85k €

BuyerTxAmountShare
VÄLISMINISTEERIUM
70002526
9
95k €
HARIDUS- JA TEADUSMINISTEERIUM
70000740
2
11k €
Eesti Töötukassa
74000085
2
787,32 €
20261 transaction · 7k €
13.012026
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
6990 €
20254 transactions · 14k €
12.122025
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
720 €
12.092025
VÄLISMINISTEERIUM70002526

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
21.07.2026TaxMaksuvõlg vähenes— −3701 € (jäänud 1509 €)
16.06.2026ReportEsitati 2025. aasta aruanne— Käive 331 298 €
11.06.2026TaxMaksuvõlg kasvas— +5210 € (kokku 5210 €)
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 375 850 €
2024
03.10.2024TenderVõitis riigihanke— Narva vanalinna põhikooli sisearhitektuurivõistlus · Riigi Kinnisvara Aktsiaselts

Connected companies

Same-person ties · e-Business Register

SIREA OÜ is connected to 6 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Kätlin Ölluk (6 companies).

Total connections
6
via 1 person
Connecting people
1
Active here
Distinct roles
1
Board member
Strongest tie
Kätlin
6 companies
Via personKätlin Ölluk6
KÖ
Kätlin Ölluk
board member
6 other companies›
CompanyRoleReg. code
FLAMM OÜ
Founder
14122008
Kreatiivprojekt OÜ
Board memberShareholder 100%Founder
555 €
95k €
4
03.07.2023
2021269 553 €−4756 €3k €46k €501.09.2022
2020204 464 €−16 499 €8k €39k €508.08.2021
2019515 523 €11 345 €24k €74k €629.07.2020
57 804 €
5
23k €
33k €
Taxes on workforce 202516k €17k €18k €19k €
Employees 20254555
Revenue 202452k €104k €76k €66k €
State taxes 202416k €17k €22k €21k €
Taxes on workforce 202411k €12k €12k €13k €
Employees 20243334
Revenue 202388k €83k €115k €74k €
State taxes 202320k €21k €27k €20k €
Taxes on workforce 202316k €13k €10k €12k €
Employees 20234444
Revenue 202277k €82k €68k €111k €
State taxes 202228k €21k €19k €24k €
Taxes on workforce 202219k €12k €14k €14k €
Employees 20224445
89 830 €
Award value
PÕHIVARA
·
Välispoliitika
6280 €
29.042025
HARIDUS- JA TEADUSMINISTEERIUM70000740
PÕHIVARA · Põhi- ja üldkeskharidus
1464 €
25.042025
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
5963 €
Show remaining 8 transactions+
20251 transaction · 359,64 €
17.012025
Eesti Töötukassa74000085
MUUD TOETUSED · Töötute sotsiaalne kaitse
360 €
20247 transactions · 85k €
31.122024
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
3000 €
31.122024
Eesti Töötukassa74000085
MUUD TOETUSED · Töötute sotsiaalne kaitse
428 €
13.122024
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
39 478 €
07.112024
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
1560 €
18.102024
HARIDUS- JA TEADUSMINISTEERIUM70000740
PÕHIVARA · Põhi- ja üldkeskharidus
9600 €
20.092024
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
28 184 €
31.072024
VÄLISMINISTEERIUM70002526
PÕHIVARA · Välispoliitika
2810 €
11868032
Nobe Partners OÜ
Founder
12524369
OÜ SPA Sanitaartehnika
Supervisory board member
10921899
Reinmaa OÜ
Shareholder 33%FounderBoard member
12998972
SWISS PERFORMANCE YACHTS OÜ
Founder
12639546

Analysis · 2025

computed from annual reports
Revenue331k €median 23k €14.3× the sector median
Net margin-3.8%median 8.9%-12.6 pp vs sector median
Revenue per employee83k €median 38k €2.2× the sector median
Revenue change-11.9%median 1.1%-13.0 pp vs sector median
Equity ratio39.1%
Current ratio0.89current assets cover under 1× liabilities
Labour cost of revenue48.5%
Profit per employee−3117 €
Compared with2024revenue 376k €

Peer group: Arhitektitegevused, 854 trading companies that filed a report in the last three years.

Founded 2017. That year 14,399 osaühing were registered; 13,843 are still trading, or 96.1%.