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Search›Companies›Keystone Advisers Group OÜ
11973071ActivePrivate limited companyEE101390415 · VAT-registered

Keystone Advisers Group OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Rävala pst 3·EMTAK 70201 — Business and other management consultancy activities·16+ years
Andmed · ···
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Overview

e-Business Register · 10 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
30.07.2010e-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
2556,00 €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 nowMTAEUIPOWeb tech scanEesti Internet
e-Business Register ↗

Registered 30. juuli 2010, primary activity: Business and other management consultancy activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
16 200 €
▼ 23% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
2481 €
State + labour taxes · 2026 II kv
Tax debt
5163,57 €
As of 10.08.2026 (MTA)
Revenue 2026 (I-II kv)
37k €
▼ 5% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
5k €
State + labour taxes · 2026 (I-II kv)
Tax debt
5163,57 €
As of 10.08.2026 (MTA)

Tax debt over time

MTA · last 365 d
Current 5163,57 €max 5k €
11 May 202626 Jun 202611 Aug 2026
30 days
+1k €
3898,29 € → 5163,57 €
90 days
+4k €
1382,82 € → 5163,57 €
365 days
–
no data yet

Officers

e-Business Register · 10 h ago
TK
Tõnis-Martin KonsPEP
Born 1977 · 49 y · board member since 30.07.2010
Board member

Founders

e-Business Register · 10 h ago
KA
Keystone Advisers osaühingLEGAL PERSON
Legal person · 11179462 · founder since 30.07.2010
Founder

Shareholders

e-Business Register · 10 h ago
OM
OÜ Mindmills InvestmentsLEGAL PERSON
Legal person · 11021123 · shareholder since 02.09.2023
Shareholder 100% · 3k €

Subsidiaries

e-Business Register · shareholders · 10 h ago

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

Keystone Advisers osaühing
Shareholder 100%

Annual reports (7)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2025
67k €
↗ +0.1% vs 2024
State taxes 2025
23k €
↗ +148% vs 2022
Employees 2025
3
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
202566 570 €33 970 €221k €285k €305.07.2026
202466 500 €55 645 €187k €274k €309.07.2025
202364 800 €46 483 €131k €221k €530.06.2024
202264 800 €50 268 €
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
50k €25k €0
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q36 655 €5061 €0 €–
202571 003 €23 437 €0 €–
202469 950 €4507 €0 €–
202368 636 €12 280 €0 €–
202267 800 €9463 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202620k €16k €––
State taxes 20263k €2k €––
Taxes on workforce 20260 €0 €––
Employees 2026––––
Revenue 202518k €21k €16k €16k €
State taxes 20252k €18k €

Tech stack

Website analysis · 9 h tagasi
Domains (1)
keystone.ee
SPFDMARC
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

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
23.07.2026TaxMaksuvõlg kasvas— +1265 € (kokku 5164 €)
05.07.2026ReportEsitati 2025. aasta aruanne— Käive 66 570 €
23.06.2026TaxMaksuvõlg kasvas— +1265 € (kokku 3898 €)
13.06.2026TaxMaksuvõlg kasvas— +6 € (kokku 2633 €)
22.05.2026TaxMaksuvõlg kasvas— +1265 € (kokku 2627 €)
19.05.2026TaxMaksuvõlg vähenes— −20 € (jäänud 1363 €)
11.05.2026TaxMaksuvõlg kasvas— +1383 € (kokku 1383 €)
2025
09.07.2025ReportEsitati 2024. aasta aruanne— Käive 66 500 €

Connected companies

Same-person ties · e-Business Register

Keystone Advisers Group OÜ 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 osaühing
Board member
11179462
85k €
164k €
5
13.07.2023
202167 509 €52 387 €34k €117k €330.06.2022
202065 961 €55 542 €-18k €113k €421.02.2022
201968 591 €−437 938 €-74k €69k €415.07.2021
0 €
–
2k €
2k €
Taxes on workforce 20250 €0 €0 €0 €
Employees 2025––––
Revenue 202418k €16k €20k €16k €
State taxes 2024––3k €1k €
Taxes on workforce 2024––0 €0 €
Employees 2024––––
Revenue 202316k €19k €17k €16k €
State taxes 20231k €––11k €
Taxes on workforce 20230 €––0 €
Employees 2023––––
Revenue 202216k €19k €16k €16k €
State taxes 20222k €2k €1k €4k €
Taxes on workforce 20220 €0 €0 €0 €
Employees 2022––––
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
Revenue67k €median 29k €2.3× the sector median
Net margin51.0%median 21.7%+29.3 pp vs sector median
Revenue per employee22k €median 53k €42% of the sector median
Revenue change0.1%median 0.2%-0.1 pp vs sector median
Equity ratio77.4%
Current ratio4.29
Labour cost of revenue195.5%
Profit per employee11 323 €
Compared with2024revenue 67k €

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

Founded 2010. That year 6,007 osaühing were registered; 5,790 are still trading, or 96.4%.