ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistuEstonia'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

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
ContactTerms
ET/EN/RU
EN
EestiEnglishРусский
nimistu
Search›Companies›SIRIUS ADVISORY OÜ
17097877ActivePrivate limited companyEE102790920 · VAT-registered

SIRIUS ADVISORY OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Jalgpalli tn 1·EMTAK 69202 — Bookkeeping, tax consulting·1+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsDocumentsState paymentsActivityConnected companies
Extension

Right in search

nimistu card above Google, Bing and DuckDuckGo results.

Chrome→Firefox→Edge→
Free · ~14 KB
See the extension →

Overview

e-Business Register · 19 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
23.10.2024e-Business Register
Address
Jalgpalli tn 1, Kesklinna linnaosa, Tallinn, 11312 Harju maakondADS · e-Business Register
E-mail address
info@siriusadvisory.eee-Business Register
Principal activity
EMTAK 69202 - Bookkeeping, tax consultinge-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
3000,00 €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

  • 79 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • FAQ
  • For journalists
  • Donate
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 8 sourcese-Business Register · 8 min agoMTAWeb tech scanEesti Internet
e-Business Register ↗

Registered 23. oktoober 2024, primary activity: Bookkeeping, tax consulting. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
15 493 €
▼ 49% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
1315 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
44k €
▲ 27% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
19k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Officers (2)

e-Business Register · 19 h ago
KK
Kadri Koop
Born 1978 · 48 y · board member since 23.10.2024
Board member
MA
Mariel Akkermann
Born 1980 · 45 y · board member since 23.10.2024
Board member

Founders (3)

e-Business Register · 19 h ago
LO
LawInAcco OÜLEGAL PERSON
Legal person · 16334134 · founder since 21.10.2024
Founder · 1k €
KK
KKP KOKKU OÜLEGAL PERSON
Legal person · 16885880 · founder since 21.10.2024
Founder · 1k €
MA
Mariel Akkermann
Born 1980 · 45 y · founder since 21.10.2024
Founder · 1k €

Shareholders (2)

e-Business Register · 19 h ago
KK
KKP KOKKU OÜLEGAL PERSON
Legal person · 16885880 · shareholder since 17.02.2026
Shareholder 50% · 2k €
MA
Mariel Akkermann
Born 1980 · 45 y · shareholder since 17.02.2026
Shareholder 50% · 2k €

Annual reports (1)

e-Business Register · annual reports · 4 päeva tagasi
YearRevenueProfitEquityAssetsEmployees
202553 837 €36 320 €39k €44k €112.09.2025
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
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q44 327 €13 208 €5447 €–
202583 968 €32 872 €15 540 €1
2024I-IV Q0 €–––
Quarterly breakdown

Tech stack

Website analysis · 20 h tagasi
Domains (1)
siriusadvisory.ee
SPFDMARC
MXMicrosoft 365
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
17.02.2026OfficerSai osanikuks2×expand ›hide ⌃
  • Mariel Akkermann · · 50 %
  • KKP KOKKU OÜ · · 50 %
17.02.2026FilingMuutmiskanne4×expand ›hide ⌃
  • Ä 50267215 / 3 · Olek: Jõustunud
  • Ä 50267215 / 4 · Olek: Jõustunud
  • Kanne nr 4 · kanne
  • Kanne nr 3 · kanne

Connected companies

Same-person ties · e-Business Register

SIRIUS ADVISORY 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
3
Board member · Founder
Strongest tie
Kadri
8 companies
Via personKadri Koop
YearQ1Q2Q3Q4
Revenue 202629k €15k €––
State taxes 202612k €1k €––
Taxes on workforce 20265k €0 €––
Employees 2026––––
Revenue 20255k €30k €28k €21k €
State taxes 2025–10k €8k €15k €
Taxes on workforce 2025–4k €4k €7k €
Employees 20251111
Revenue 2024–––0 €
State taxes 2024––––
Taxes on workforce 2024––––
Employees 2024––––
06.02.2026
FilingMuutmiskanne— Ä 50267215 / M1 · Olek: Puudused kõrvaldatud
2025
12.09.2025ReportEsitati 2025. aasta aruanne— Käive 53 837 €
19.06.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50267215 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne
2024
23.10.2024OfficerAstus juhatusse2×expand ›hide ⌃
  • Mariel Akkermann
  • Kadri Koop
23.10.2024FilingEsmakanne2×expand ›hide ⌃
  • Ä 50267215 · Olek: Jõustunud
  • Kanne nr 1 · kanne
21.10.2024OfficerAsutas ettevõtte3×expand ›hide ⌃
  • LawInAcco OÜ
  • KKP KOKKU OÜ
  • Mariel Akkermann
8
Mariel Akkermann7
KK
Kadri Koop
board member
8 other companies›
CompanyRoleReg. code
A.Karuse OÜ
Auditor
10136491
AS ALARA
Auditor
10462309
KKP KOKKU OÜ
Board memberShareholder 100%Founder
16885880
L35 OÜ
Auditor
16035041
osaühing TARFURGO
Auditor
10007960
Pelgulinna Tervisemaja OÜ
Auditor
16011537
RASKO OÜ
Shareholder 100%FounderBoard member
12809965
SIRIUS AUDIT OÜ
Board member
17011255
MA
Mariel Akkermann
board member, founder, shareholder 50%
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
FounderBoard memberShareholder 100%
10891744
SIRIUS AUDIT OÜ
Shareholder 50%FounderBoard member
17011255

Analysis · 2025

computed from annual reports
Revenue54k €median 15k €3.6× the sector median
Net margin67.5%median 14.1%+53.4 pp vs sector median
Revenue per employee54k €median 29k €1.9× the sector median
Equity ratio89.5%
Current ratio9.52
Labour cost of revenue24.9%
Profit per employee36 320 €

Peer group: Raamatupidamine, maksualane nõustamine, 6,319 trading companies that filed a report in the last three years.

Founded 2024. That year 22,386 osaühing were registered; 21,869 are still trading, or 97.7%.