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Search›Companies›SIRIUS AUDIT OÜ
17011255ActivePrivate limited companyEE102749735 · VAT-registered

SIRIUS AUDIT OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Jalgpalli tn 1·EMTAK 69201 — Auditing·2+ years
Andmed · ···
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Overview

e-Business Register · 14 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
18.06.2024e-Business Register
Address
Jalgpalli tn 1, Kesklinna linnaosa, Tallinn, 11312 Harju maakondADS · e-Business Register
E-mail address
info@siriusaudit.eee-Business Register
Principal activity
EMTAK 69201 - Auditinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
12 000,00 €e-Business Register
LEI
8945004EA4TGA4R05337 · issued 24.10.2025GLEIF
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
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 11 sourcese-Business Register · 1 min agoMTARTKAudiitorkoguPatendiametGLEIF
e-Business Register ↗

Registered 18. juuni 2024, primary activity: Auditing. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
151 865 €
▲ 14% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
16
2026 (MTA)
Taxes paid
117 773 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
152k €
▲ 14% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
16
2026 (MTA)
Taxes paid
118k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers (2)

e-Business Register · 14 h ago
KK
Kadri Koop
Born 1978 · 48 y · board member since 18.06.2024
Board member
MA
Mariel Akkermann
Born 1980 · 45 y · board member since 18.06.2024
Board member

Founders (2)

e-Business Register · 14 h ago
MA
Mariel Akkermann
Born 1980 · 45 y · founder since 17.06.2024
Founder · 6k €
KK
KKP KOKKU OÜLEGAL PERSON
Legal person · 16885880 · founder since 17.06.2024
Founder · 6k €

Shareholders (2)

e-Business Register · 14 h ago
KK
KKP KOKKU OÜLEGAL PERSON
Legal person · 16885880 · shareholder since 18.06.2024
Shareholder 50% · 6k €
MA
Mariel Akkermann
Born 1980 · 45 y · shareholder since 18.06.2024
Shareholder 50% · 6k €

Beneficial owners (2)

e-Business Register · 14 h ago
MA
Mariel Akkermann
Born 1980 · 45 y · ultimate beneficial owner since 18.06.2024
Ultimate beneficial owner
KK
Kadri Koop
Born 1978 · 48 y · ultimate beneficial owner since 17.10.2024
Ultimate beneficial owner

Auditor (10 · 8 sectors)

e-Business Register · 14 h ago
Show auditor (10)
K · Financial and insurance activities
3
C · Manufacturing
1
D · Electricity, gas, steam and air conditioning supply
1
E · Water supply; sewerage, waste management and remediation activities
1
G · Wholesale and retail trade; repair of motor vehicles and motorcycles
1
H · Transportation and storage
1
M · Professional, scientific and technical activities
1
P · Education
1

Annual reports (1)

e-Business Register · annual reports · 5 päeva tagasi
YearRevenueProfitEquityAssetsEmployees
2025916 203 €236 762 €249k €289k €628.02.2026
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 · 10.04.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q151 865 €78 072 €39 701 €16
20251 141 310 €340 748 €149 253 €18
2024I-IV Q94 667 €39 798 €22 088 €10
Quarterly breakdown

Licences (1)

Audiitorkogu · 13 h tagasi
Active licences
1
Audit services1
Sworn audit firm
Vandeaudiitorite ühing306from 04.07.2024· 2 auditors
Valid

Trademarks (1)

Patendiamet · 17.05.2026
SI
SIRIUS AUDIT
1 class · word · 27.07.2025 · M202500758
Registered

State-sector payments (4 · 13k €)

RTK Makseandmik · 15.05.2026
Transactions
4
2024–2026 · 3 years
Total amount
13k €
avg 3k €
Buyers
2
State and municipal bodies
Latest
14.02.2026
3k € · AS ALARA

2026: 3k € · 2025: 7k € · 2024: 2k €

BuyerTxAmountShare
RIIGIKONTROLL
74000056
2
8k €

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
28.02.2026ReportEsitati 2025. aasta aruanne— Käive 916 203 €
2025
18.08.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50257862 / 6 · Olek: Jõustunud
  • Kanne nr 6 · kanne
08.08.2025FilingMuutmiskanne2×expand ›

Connected companies

Same-person ties · e-Business Register

SIRIUS AUDIT OÜ is connected to 15 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Kadri Koop (8 companies).

Total connections
15
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Ultimate beneficial owner
Strongest tie
Kadri
8 companies
Via personKadri Koop
›KFinancial and insurance activities3 entities
If P&C Insurance AS
Kahjukindlustus
10100168
OÜ SME Capital 3 Estonia
Muu laenuandmine, v.a pandimajad
16491885
Primostar Group AS
Valdusfirmade tegevus
17056111
›CManufacturing1 entity
Aktsiaselts KONESKO
Juhtmestiku tarvikute tootmine
10047497
›DElectricity, gas, steam and air conditioning supply1 entity
aktsiaselts Dvigatel - Energeetika
Elektrienergia müük
10257898
›EWater supply; sewerage, waste management and remediation activities1 entity
AS ALARA
Ohtlike jäätmete kogumine
10462309
›GWholesale and retail trade; repair of motor vehicles and motorcycles1 entity
ORLEN Eesti OÜ
Mootorikütuse hulgimüük
10960209
›HTransportation and storage1 entity
A.Karuse OÜ
Kaubavedu maanteel
10136491
›MProfessional, scientific and technical activities1 entity
Aktsiaselts Maskello
Ärinõustamine jm juhtimisalane nõustamine
10099519
›PEducation1 entity
AS Eesti Ettevõtluskõrgkool Mainor
Rakenduskõrgkoolid
10588537
YearQ1Q2Q3Q4
Revenue 2026152k €–––
State taxes 202678k €–––
Taxes on workforce 202640k €–––
Employees 202616–––
Revenue 2025133k €404k €348k €256k €
State taxes 202557k €111k €91k €82k €
Taxes on workforce 202533k €35k €47k €35k €
Employees 202517181318
Revenue 2024––12k €82k €
State taxes 2024––5k €35k €
Taxes on workforce 2024––2k €20k €
Employees 2024––210
AS ALARA
10462309
2
4k €
20261 transaction · 3k €
14.022026
AS ALARA10462309
MAJANDAMISKULUD · Jäätmekäitlus
3348 €
20252 transactions · 7k €
04.122025
AS ALARA10462309
MAJANDAMISKULUD · Jäätmekäitlus
1116 €
12.052025
RIIGIKONTROLL74000056
MAJANDAMISKULUD · Keskvalituse täidesaatvad ja seadusandlikud organid
5807 €
20241 transaction · 2k €
19.122024
RIIGIKONTROLL74000056
MAJANDAMISKULUD · Keskvalituse täidesaatvad ja seadusandlikud organid
2489 €
hide ⌃
  • Ä 50257862 / 5 · Olek: Jõustunud
  • Kanne nr 5 · kanne
25.06.2025FilingMuutmiskanne— Ä 50257862 / M1 · Olek: Puudused kõrvaldatud
2024
18.12.2024FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50257862 / 4 · Olek: Jõustunud
  • Kanne nr 4 · kanne
17.10.2024OfficerLisati tegelikuks kasusaajaks— Kadri Koop
27.06.2024FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50257862 / 3 · Olek: Jõustunud
  • Kanne nr 3 · kanne
8
Mariel Akkermann7
KK
Kadri Koop
board member, ultimate beneficial owner
8 other companies›
CompanyRoleReg. code
A.Karuse OÜ
Auditor
10136491
AS ALARA
Auditor
10462309
KKP KOKKU OÜ
Board memberShareholder 100%FounderUltimate beneficial owner
16885880
L35 OÜ
Auditor
16035041
osaühing TARFURGO
Auditor
10007960
Pelgulinna Tervisemaja OÜ
Auditor
16011537
RASKO OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
12809965
SIRIUS ADVISORY OÜ
Ultimate beneficial ownerBoard member
17097877
MA
Mariel Akkermann
board member, founder, shareholder 50%, ultimate beneficial owner
7 other companies›
CompanyRoleReg. code
Aktsiaselts Maskello
Auditor
10099519
L7 Estonia OÜ
Auditor
16506374
Mirion Technologies Selmic Baltic OÜ
Auditor
11911756
ORLEN Eesti OÜ
Auditor
10960209
Osaühing MANPOWER
Auditor
11052968
OÜ ARRIBA
Ultimate beneficial ownerShareholder 100%Board memberFounder
10891744
SIRIUS ADVISORY OÜ
Shareholder 50%Ultimate beneficial ownerFounderBoard member
17097877