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
Search›Companies›Keystone Advisers osaühing
11179462ActivePrivate limited companyEE101060790 · VAT-registered

Keystone Advisers osaühing

Harju maakond, Tallinn, Kesklinna linnaosa, Rävala pst 3·EMTAK 70201 — Business and other management consultancy activities·20+ 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 · 10 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
20.10.2005e-Business Register
Address
Rävala pst 3, Kesklinna linnaosa, Tallinn, 10143 Harju maakondADS · e-Business Register
E-mail address
info@keystoneadvisers.eee-Business Register
Telephone
+372 6817040· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 70201 - Business and other management consultancy activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
6400,00 €e-Business Register
nimistu
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
PEP (1)
Data · 10 sourcese-Business Register · just nowMTARiigi Teataja · RiigikohusWeb tech scanEesti Internet
e-Business Register ↗

Registered 20. oktoober 2005, primary activity: Business and other management consultancy activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
73 890 €
▲ 89% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
16 941 €
State + labour taxes · 2026 II kv
Tax debt
29 558,83 €
As of 10.08.2026 (MTA)
Revenue 2026 (I-II kv)
162k €
▲ 147% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
47k €
State + labour taxes · 2026 (I-II kv)
Tax debt
29 558,83 €
As of 10.08.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current 29 558,83 €max 36k €
11 May 202626 Jun 202611 Aug 2026
30 days
−6k €
35 633,72 € → 29 558,83 €
90 days
−5k €
34 476,70 € → 29 558,83 €
365 days
–
no data yet

Officers

e-Business Register · 10 h ago
TK
Tõnis-Martin KonsPEP
Born 1977 · 49 y · board member since 03.05.2006
Board member

Founders

e-Business Register · 10 h ago
OW
Osaühing WASP PROJECTFOREIGN
Foreign / not in register · founder since 20.10.2005
Founder

Shareholders

e-Business Register · 10 h ago
KA
Keystone Advisers Group OÜLEGAL PERSON
Legal person · 11973071 · shareholder since 01.09.2023
Shareholder 100% · 6k €

Subsidiaries

e-Business Register · shareholders · 10 h ago

Keystone Advisers osaühing is a shareholder or officer in 1 more company.

Keystone Advisers Group OÜ
Founder

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
674k €
↗ +139% vs 2024
State taxes 2025
87k €
↗ +35.5% vs 2024
Employees 2025
3
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
2025673 502 €320 775 €392k €982k €305.07.2026
2024281 307 €−17 055 €72k €780k €303.07.2025
2023311 431 €−61 009 €89k €714k €530.06.2024
2022341 212 €
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
500k €250k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q162 312 €30 724 €16 188 €2
2025388 398 €87 035 €60 169 €2
2024148 111 €64 241 €59 604 €2
2023158 103 €49 699 €53 056 €2
2022328 033 €114 155 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202688k €74k €––
State taxes 202619k €11k €––
Taxes on workforce 202611k €6k €––
Employees 202622––
Revenue 202527k €39k €321k €2k €
State taxes 202510k €11k €

Tech stack

Website analysis · 9 h tagasi
Domains (1)
keystoneadvisers.ee
SPF
MXMicrosoft 365
REGElkdata OÜ
SRCEIS WHOIS
Detected technologies
OtherOpen Graph · Schema.org
Content management (CMS)WordPress
JavaScript libraryjQuery
AnalyticsGoogle Analytics
Web serverApache
UI frameworkTailwind CSS
Mobile carrier
+372 6817040Telia Eesti AS

Court rulings (1 · 1 as respondent)

Riigi Teataja
20161 decision
01.04.20162-14-50865/57
Ühinguõigus › Muud ühinguõiguslikud asjad hagimenetlusesTallinna Ringkonnakohtu tsiviilkolleegiumDecision PDF →On Riigi Teataja →On lahend.ee →
KostjaJõustunud

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
23.07.2026TaxMaksuvõlg kasvas— +45 € (kokku 29 559 €)
22.07.2026TaxMaksuvõlg vähenes— −6120 € (jäänud 29 514 €)
11.07.2026TaxMaksuvõlg kasvas— +1043 € (kokku 35 634 €)
05.07.2026ReportEsitati 2025. aasta aruanne— Käive 673 502 €
27.06.2026TaxMaksuvõlg vähenes— −185 € (jäänud 34 591 €)
23.06.2026TaxMaksuvõlg vähenes— −1050 € (jäänud 34 776 €)
18.06.2026TaxMaksuvõlg kasvas— +4072 € (kokku 35 827 €)
17.06.2026TaxMaksuvõlg vähenes— −246 € (jäänud 31 754 €)
03.06.2026TaxMaksuvõlg vähenes— −1 € (jäänud 32 000 €)
28.05.2026TaxMaksuvõlg vähenes— −1299 € (jäänud 32 001 €)
27.05.2026TaxMaksuvõlg kasvas— +259 € (kokku 33 301 €)
22.05.2026TaxMaksuvõlg vähenes— −1435 € (jäänud 33 042 €)
12.05.2026TaxMaksuvõlg kasvas— +6523 € (kokku 34 477 €)
11.05.2026TaxMaksuvõlg kasvas— +27 954 € (kokku 27 954 €)
2025
03.07.2025ReportEsitati 2024. aasta aruanne— Käive 281 307 €

Connected companies

Same-person ties · e-Business Register

Keystone Advisers osaühing is connected to 11 other companies through 1 person who hold a role here and elsewhere. The strongest tie runs through Tõnis-Martin Kons (11 companies).

Total connections
11
via 1 person
Connecting people
1
Active here
Distinct roles
1
Board member
Strongest tie
Tõnis-Martin
11 companies
Via personTõnis-Martin Kons11
TK
Tõnis-Martin Kons
board member
11 other companies›
CompanyRoleReg. code
Erakond Parempoolsed
Board memberFounder
80608655
Keystone Advisers Group OÜ
Board member
11973071
−65 760 €
150k €
604k €
5
30.06.2023
2021523 155 €164 039 €215k €656k €330.06.2022
2020238 425 €−42 242 €51k €435k €421.02.2022
2019523 242 €130 847 €94k €389k €428.02.2021
65 501 €
4
50k €
17k €
Taxes on workforce 202510k €11k €28k €11k €
Employees 20252222
Revenue 202458k €33k €30k €27k €
State taxes 202418k €31k €8k €7k €
Taxes on workforce 202418k €27k €8k €6k €
Employees 20242222
Revenue 202330k €51k €42k €36k €
State taxes 202318k €10k €8k €14k €
Taxes on workforce 202319k €10k €8k €15k €
Employees 20234442
Revenue 2022157k €47k €115k €9k €
State taxes 202235k €11k €48k €20k €
Taxes on workforce 202217k €3k €25k €20k €
Employees 20224444
Mittetulundusühing Paremvaade
Board memberFounder
80580388
Mittetulundusühing Res Publica 30
Board member
80167978
Mittetulundusühing Tallinn International Wine Club
Board memberFounder
80634960
Osaühing Eesti Avaliku Halduse Instituut
Board member
10709107
OÜ BALTIC INVESTMENTS ASSOCIATES
Board member
11055168
OÜ Mindmills Investments
Board member
11021123
OÜ OMEX CONSULTING
Board member
11024340
OÜ PT VALDUSED
Shareholder 100%Board memberFounder
10649397
Sihtasutus Mõttekoda Res Publica
Board member
90015028

Analysis · 2025

computed from annual reports
Revenue674k €median 29k €23.6× the sector median
Net margin47.6%median 21.7%+25.9 pp vs sector median
Revenue per employee225k €median 53k €4.2× the sector median
Revenue change139.4%median 0.2%+139.2 pp vs sector median
Equity ratio39.9%
Current ratio1.67
Labour cost of revenue19.3%
Profit per employee106 925 €
Compared with2024revenue 281k €

Peer group: Äri- ja muu juhtimisalane nõustamine, 7,461 trading companies that filed a report in the last three years.

Founded 2005. That year 4,149 osaühing were registered; 4,016 are still trading, or 96.8%.