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Search›Companies›K-Advisory OÜ
10841404ActivePrivate limited companyEE100741094 · VAT-registered

K-Advisory OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Rotermanni tn 5-34·EMTAK 70201 — Business and other management consultancy activities·24+ years
Andmed · ···
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Overview

e-Business Register · 11 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
05.02.2002e-Business Register
Address
Rotermanni tn 5-34, Kesklinna linnaosa, Tallinn, 10111 Harju maakondADS · e-Business Register
E-mail address
sander@baltreal.eee-Business Register
Telephone
+372 5065001· 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
LEI
984500DEB7BDE06R6A09 · issued 28.10.2022GLEIF
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 · 11 sourcese-Business Register · 3 min agoMTARiigi Teataja · RiigikohusWeb tech scanEesti InternetGLEIF
e-Business Register ↗

Registered 5. veebruar 2002, primary activity: Business and other management consultancy activities. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
7500 €
▼ 21% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
2912 €
State + labour taxes · 2026 II kv
Tax debt
2366,36 €
As of 09.08.2026 (MTA) · Payment plan 2366,36 €
Revenue 2026 (I-II kv)
15k €
▼ 32% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
64k €
State + labour taxes · 2026 (I-II kv)
Tax debt
2366,36 €
As of 09.08.2026 (MTA) · On payment plan until 31.10.2027

Tax debt over time

MTA · last 365 d
Current 2366,36 €max 3k €
11 May 202625 Jun 202610 Aug 2026
30 days
−215 €
2581,36 € → 2366,36 €
90 days
+194 €
2172,36 € → 2366,36 €
365 days
–
no data yet

Officers (3)

e-Business Register · 11 h ago
SK
Sander Kaus
Born 1974 · 52 y · board member since 26.02.2002
Board member
MK
Merli Kaus
Born 1973 · 53 y · board member since 16.01.2009
Board member
HK
Holger-Erik Kaus
Born 1996 · 30 y · board member since 06.02.2020
Board member

Founders

e-Business Register · 11 h ago
MO
Mario Ojalo
· founder since 05.02.2002
Founder

Shareholders (2)

e-Business Register · 11 h ago
WO
Waldstock OÜLEGAL PERSON
Legal person · 14873855 · shareholder since 01.09.2023
Shareholder 50% · 1k €
MK
Merli Kaus
Born 1973 · 53 y · shareholder since 01.09.2023
Shareholder 50% · 1k €

Subsidiaries

e-Business Register · shareholders · 11 h ago

K-Advisory OÜ is a shareholder or officer in 9 more companies.

Beach Arena OÜ
FounderShareholder 100%
BFT Capital Management OÜ
Founder
Kakumäe Jahisadam OÜ
Shareholder 2%
SKonsult Invest OÜ
FounderShareholder 100%
VerVid OÜ
FounderShareholder 100%
Lokkerid OÜ
FounderShareholder 100%
Nordic Beach Holding OÜ
Shareholder 50%
Pärnu Beach Arena OÜ
Founder
Nordic Beach OÜ
Shareholder 51%

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
43k €
↘ -69.7% vs 2024
State taxes 2025
43k €
↗ +260% vs 2024
Employees 2025
1
0.0% vs 2024
YearRevenueProfitEquityAssetsEmployees
202543 115 €232 098 €255k €903k €130.06.2026
2024142 481 €88 320 €273k €706k €130.06.2025
2023108 622 €42 146 €185k €727k €130.06.2024
2022170 601 €67 543 €
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 Q15 000 €62 624 €1261 €–
202543 115 €43 434 €3238 €–
2024191 256 €12 058 €3128 €–
2023102 463 €17 568 €3128 €–
2022168 234 €37 498 €
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20268k €8k €––
State taxes 202660k €2k €––
Taxes on workforce 2026667 €594 €––
Employees 2026––––
Revenue 202513k €10k €14k €8k €
State taxes 20257k €20k €

Tech stack

Website analysis · 4 päeva tagasi
Domains (1)
kadvisory.ee
MXGoogle Workspace
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
Web serverApache
Mobile carrier
+372 5065001Telia Eesti AS

Court rulings (1)

Riigi Teataja
20151 decision
30.10.20152-12-14676/69
Võlaõigus › Laenu- ja krediidilepingudTallinna Ringkonnakohtu tsiviilkolleegiumOther parties: Osaühing DSVHDecision PDF →On Riigi Teataja →On lahend.ee →
Jõustunud

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
01.08.2026TaxMaksuvõlg vähenes— −215 € (jäänud 2366 €)
01.07.2026TaxMaksuvõlg vähenes— −215 € (jäänud 2581 €)
30.06.2026ReportEsitati 2025. aasta aruanne— Käive 43 115 €
16.06.2026TaxMaksuvõlg kasvas— +839 € (kokku 2796 €)
01.06.2026TaxMaksuvõlg vähenes— −215 € (jäänud 1957 €)
11.05.2026TaxMaksuvõlg kasvas— +2172 € (kokku 2172 €)
2025
30.06.2025ReportEsitati 2024. aasta aruanne— Käive 142 481 €

Connected companies

Same-person ties · e-Business Register

K-Advisory OÜ is connected to 70 other companies through 3 people who hold a role here and elsewhere. The strongest tie runs through Mario Ojalo (48 companies).

Total connections
70
via 3 people
Connecting people
3
Active here
Distinct roles
2
Board member · Founder
Strongest tie
Mario
48 companies
Via personMario Ojalo48Sander Kaus19Holger-Erik Kaus3
MO
Mario Ojalo
founder
48 other companies›
CompanyRoleReg. code
3KGroup OÜ
Founder
10201874
Aruküla arendus OÜ
Board memberShareholder 100%Founder
143k €
771k €
2
30.06.2023
202161 185 €−477 386 €75k €578k €202.07.2022
2020178 082 €135 653 €552k €1,0m €108.07.2021
201960 723 €−138 173 €417k €1,0m €131.10.2020
7123 €
–
7k €
10k €
Taxes on workforce 2025802 €812 €812 €812 €
Employees 2025––––
Revenue 202459k €13k €12k €108k €
State taxes 20245k €1k €3k €2k €
Taxes on workforce 2024782 €782 €782 €782 €
Employees 2024––––
Revenue 202313k €55k €18k €17k €
State taxes 20232k €9k €3k €3k €
Taxes on workforce 2023782 €782 €782 €782 €
Employees 2023––––
Revenue 202217k €-92k €5k €239k €
State taxes 20222k €0 €3k €33k €
Taxes on workforce 20222k €2k €3k €782 €
Employees 2022––––
17265375
Corberg OÜ
Founder
10419183
Euro Telecom Osaühing
Founder
10453719
F.S.O. Motorsport OÜ
Board memberShareholder 100%Founder
16251903
MEDITSIINIGRUPP HOOLDUS OÜ
Founder
10542305
Mikrovai OÜ
Founder
10284978
Mittetulundusühing HD Revals
Founder
80577771
Molumong Dukuzini OÜ
Founder
10589169
OSAÜHING Bretmar
Founder
10591255
OSAÜHING CRESTOC CAPITAL
Founder
10672870
OSAÜHING EESTI JUUST
Founder
10348141
osaühing Eritex Invest
Founder
10482158
OSAÜHING Finklord
Founder
10575865
OSAÜHING FOREXAL
Founder
10363198
OSAÜHING HABERST INFOCOM
Founder
10713592
… and 32 more · see on the person page ↗
SK
Sander Kaus
board member
19 other companies›
CompanyRoleReg. code
Beach Arena OÜ
Board member
14216850
Düün Beach Club OÜ
Board member
14175648
Fatso OÜ
Board member
12301051
Financial 4S3 OÜ
Founder
16302051
GFT OÜ
LiquidatorShareholder 100%Founder
16378580
Lokkerid OÜ
Board member
16737843
Medicum Perearstikeskus AS
Supervisory board member
10644425
Nordic Beach Holding OÜ
Board member
14071222
Nordic Beach OÜ
Board member
12649579
OÜ Paepargi 11
Founder
12293119
Pärnu Beach Arena OÜ
Board member
16452543
Pärnu Beach Arena Sport OÜ
Board member
16521422
SKonsult Invest OÜ
Board member
17138814
Stadium Real Estate OÜ
Board member
12361795
Temple Capital Consulting OÜ
Shareholder 50%Board member
17311141
Temple Capital House OÜ
Shareholder 50%FounderBoard member
11970888
… and 3 more · see on the person page ↗
HK
Holger-Erik Kaus
board member
3 other companies›
CompanyRoleReg. code
Financial 4S3 OÜ
Board memberShareholder 100%
16302051
Zenthos Fund 1 OÜ
Board member
17193492
Zenthos Technologies OÜ
Shareholder 100%FounderBoard member
16293553

Analysis · 2025

computed from annual reports
Revenue43k €median 29k €1.5× the sector median
Net margin538.3%median 21.7%+516.6 pp vs sector median
Revenue per employee43k €median 53k €81% of the sector median
Revenue change-69.7%median 0.2%-70.0 pp vs sector median
Equity ratio28.3%
Current ratio0.04current assets cover under 1× liabilities
Labour cost of revenue18.2%
Profit per employee232 098 €
Compared with2024revenue 142k €

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

Founded 2002. That year 2,582 osaühing were registered; 2,518 are still trading, or 97.5%.