ETENRU
RegisteredHarju County
Registry code
16586551
VAT number
EE102542042
Address
Harju maakond, Tallinn, Kristiine linnaosa, Mustamäe tee 55-213, 10621
Registered
04.10.2022 · 4 yrs
Activity
Arvutialased konsultatsioonid 62201
Capital
2 500 €
Email
k•••@g•••.comLog in to see
Business Register 05.10.2026
Sales revenue1 500 €2025 annual report
Profit-1 737 €2025 annual report
Labour taxes per quarter463 €Tax Board 2026 Q2
Cash431 €Cash 31.12.2025, annual report
Tax debt0 €Tax Board debtor list 05.10.2026
Revenue 12 months2 742 €Tax Board, last 4 quarters
State taxes 12 months2 524 €Tax Board, last 4 quarters
Tax debt since 26.09.2026 · ✓ no debt
Details ↓
Turnover by quarter · latest 992 €
000001 500250992
III 24IV 24I 25II 25III 25IV 25I 26II 26
Chart ↓
Firmo rating
BB
Modest, higher risk
53 / 100 points
CBBBBBBAAAAAA
View credit reportReport a debtHow the rating is calculatedCalculated 05.10.2026 · open data
Quick check
  • No tax debt
  • No enforcement proceedings (12 months)
  • No payment orders (12 months)
  • No bankruptcy or liquidation
  • No sanctions
  • Report filed (2025)
  • VAT registered
Stability
RatingBBB → B → BB
In tax debt0 days since 26.09.2026
Notification when something changes

Data

Board and owners

1 persons
Number of active companies, tax debt and bankruptcy. Facts, not an assessment.
Board 1
Karl Eerik Kaju2 companiesno tax debtPersonal ID ↗04.10.2022
Shareholders 1
Karl Eerik Kaju100,0% 2 500 €01.09.2023
Beneficial owners 1
Karl Eerik Kaju2 companiesno tax debtdirect holding04.10.2022

Business Register open data

Quarterly taxes and revenue

2026 Q2
State taxes / revenue67,6%
Labour taxes / revenue46,7%
Revenue per employee per month—
Gross salary (estimate)—
Net salary (estimate)—

2026 Q2. Wage is estimated from employment taxes.

Build report

QuarterRevenueChange y/yLabour taxesState taxesEmployees
2026 Q2992 €463 €671 €—
2026 Q1250 €855 €916 €—
2025 Q41 500 €624 €937 €1
2025 Q30 €———
2025 Q20 €———
2025 Q10 €———
2024 Q40 €———
2024 Q30 €———
2024 Q20 €———
2024 Q10 €0 €0 €—
2023 Q40 €———
2023 Q30 €———
Show full history (15 quarters)
2023 Q250 €———
2023 Q19 965 €2 862 €4 294 €—
2022 Q44 000 €0 €800 €1

Tax and Customs Board, published on the 10th of the month following the quarter. State taxes include employment taxes. CC BY-SA 3.0

Annual reports

3 yr
Build report

202520242023
Sales revenue1 500 €0 €▼ 100%6 015 €
Profit-1 737 €▼ 153%-687 €▼ into loss2 357 €
Profit margin-115,8%—39,2%
Retained earnings1 601 €▼ 30%2 288 €▲ into profit-69 €
Cash431 €▲ 74%248 €▼ 88%2 037 €
Current assets432 €▼ 73%1 601 €▼ 30%2 288 €
Assets432 €▼ 73%1 601 €▼ 30%2 288 €
Current liabilities568 €—0 €
Total liabilities568 €—0 €
Equity-136 €▼ into loss1 601 €▼ 30%2 288 €
Labour costs-1 987 €0 €▲ 100%-216 €
Employees100
Filed13.08.202616.07.202501.07.2024
ReportPDF ↓PDF ↓PDF ↓

▲ growth, ▼ decline compared to the previous year (growth in liabilities is red). Business Register, annual reports. CC BY 4.0

Revenue by activity

2025
ActivityEMTAKSales revenueOsa
Arvutialased konsultatsioonid main activity622011 500 €100%

2025 annual report, RIK open data

Real estate

e-kinnistusraamat

Loading properties…

Source: e-kinnistusraamat (Centre of Registers and Information Systems), basic data

Debts and court cases

clean
No tax debt · Tax Board 05.10.2026

Tax Board debtor list (daily), Official Announcements, State Gazette. The Tax Board publishes only today's list; earlier history is collected by Firmo.

Enforcement, payment orders and notices

clean

Official Announcements contain no enforcement, payment order or tax authority notices about the company.

Official Announcements (CC BY-SA 4.0). Enforcement proceedings, payment orders or tax decisions are published there only if they cannot be delivered to the company otherwise. The enforcement register is not public, so the absence of a notice does not mean there are no claims.

State: transactions, tenders, grants

none

No transactions with state agencies, procurement contracts or grants found

RTK Saldo, Riigihangete register, RTK toetatud projektid

Holdings in other companies

0

No holdings in other companies

Companies linked via the board

1

Sorted by revenue (latest report or 4 quarters).

Top 20 in activity: Arvutialased konsultatsioonid

20
#CompanyRevenue
1NabuMinds OÜ26,1 m €
2Aktsiaselts Fujitsu Estonia21,4 m €
3OIXIO Digital AS12,7 m €
4Hypersity OÜ7,2 m €
5Satellite-IT OÜ5,9 m €
6CybExer Technologies OÜ5,9 m €
7Astro Baltics osaühing5,9 m €
8DIGMATIX Estonia AS5,6 m €
9Hacken OÜ5,3 m €
10Clarified Security OÜ4,5 m €
11Rulta OÜ4,3 m €
12Softwerk OÜ4,0 m €
13HeyReach Inc OÜ3,9 m €
14Wizon OÜ3,9 m €
15Rushmore Technology OÜ3,7 m €
16ArgentoCloud OÜ3,5 m €
17Flatiron Software OÜ3,3 m €
18OÜ Womith2,6 m €
19inventorsoft OÜ2,6 m €
20YEMO Digital OÜ2,6 m €

OÜ Kaitselahendused: place 1927 /2200

Similar size: Datamus OÜ, Altal OÜ, International Security Software OÜ, Kiripesa OÜ, Meta Ventures OÜ, Singularity OÜ, TR Consult OÜ, Cerpec Systems OÜ, CSWAT OÜ, Norken Intelligence OÜ

Revenue from the latest annual report, otherwise Tax Board revenue for 4 quarters. All companies in this activity

Licences, pledges, domains

No data

History and notices

4
DateTypeContent
01.09.2023EntryAmendment entry
07.06.2023EntryMuutmiskanne TsMS § 595¹ lg 1 alusel
04.10.2022EntryFirst entry
04.10.2022Order to remedy deficienciesFirst entry