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Search›Companies›Alter Security OÜ
12492416ActivePrivate limited companyEE101770695 · VAT-registered

Alter Security OÜ

Harju maakond, Tallinn, Mustamäe linnaosa, Laki tn 30·EMTAK 62201 — Computer consultancy activities·13+ years
Andmed · ···
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Overview

e-Business Register · 8 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
18.06.2013e-Business Register
Address
Laki tn 30, Mustamäe linnaosa, Tallinn, 12915 Harju maakondADS · e-Business Register
E-mail address
founders@altersecurity.come-Business Register
Telephone
+372 56884885· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 62201 - Computer consultancy activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2500,00 €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

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  • Database
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  • MCP

Organisation

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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 7 sourcese-Business Register · 2 min agoMTARiigi Teataja · Riigikohus
e-Business Register ↗

Registered 18. juuni 2013, primary activity: Computer consultancy activities. Main place of business in Mustamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
5115 €
▼ 55% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
195 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
9k €
▼ 74% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
195 €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Officers

e-Business Register · 8 h ago
DK
Dmitri Kuznetsov
Born 1967 · 58 y · board member since 18.06.2013
Board member

Founders (2)

e-Business Register · 8 h ago
DK
Dmitri Kuznetsov
Born 1967 · 58 y · founder since 10.06.2013
Founder · 1k €
RO
Rait Ojasaar
Born 1980 · 45 y · founder since 10.06.2013
Founder · 1k €

Shareholders

e-Business Register · 8 h ago
DK
Dmitri Kuznetsov
Born 1967 · 58 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Annual reports (7)

e-Business Register · annual reports · 4 päeva tagasi
Revenue 2025
31k €
↘ -34.4% vs 2024
State taxes 2025
948 €
↗ +14.1% vs 2024
Employees 2025
0
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
50k €25k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 56884885Telia Eesti AS

Court rulings (1 · 1 as respondent)

Riigi Teataja
20201 decision
16.12.20202-20-136886/10
Võlaõigus › Muud kasutuslepingudHarju Maakohus Tallinna kohtumajaOther parties: Julianus Inkasso OÜ (Avaldaja)Decision PDF →On Riigi Teataja →On lahend.ee →
VõlgnikJõustunud

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
22.07.2026ReportEsitati 2025. aasta aruanne— Käive 31 344 €
2025
04.08.2025ReportEsitati 2024. aasta aruanne— Käive 47 767 €
2024
26.08.2024ReportEsitati 2023. aasta aruanne— Käive 62 778 €

Connected companies

Same-person ties · e-Business Register

Alter Security OÜ is connected to 32 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Rait Ojasaar (20 companies).

Total connections
32
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Rait
20 companies
Via personRait Ojasaar
Assets
Employees
202531 344 €1788 €8k €11k €022.07.2026
202447 767 €101 €6k €6k €004.08.2025
202362 778 €−2339 €6k €6k €026.08.2024
202250 813 €1259 €8k €9k €031.08.2023
2021198 181 €−4822 €7k €13k €017.08.2022
2020168 027 €954 €12k €12k €016.11.2021
2019201 521 €−8145 €11k €19k €003.11.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
20222023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q9447 €112 €83 €–
202548 724 €948 €720 €–
202486 120 €831 €868 €–
202395 625 €386 €215 €–
2022104 421 €596 €101 €1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20264k €5k €––
State taxes 20260 €112 €––
Taxes on workforce 20260 €83 €––
Employees 2026––––
Revenue 202526k €11k €10k €2k €
State taxes 2025167 €218 €197 €366 €
Taxes on workforce 202583 €165 €165 €307 €
Employees 2025––––
Revenue 202412k €32k €25k €18k €
State taxes 2024132 €141 €296 €262 €
Taxes on workforce 2024110 €220 €299 €239 €
Employees 2024––––
Revenue 202315k €35k €17k €29k €
State taxes 20230 €102 €151 €133 €
Taxes on workforce 202318 €53 €39 €105 €
Employees 2023––––
Revenue 202231k €38k €2k €34k €
State taxes 2022412 €0 €54 €130 €
Taxes on workforce 2022101 €0 €0 €0 €
Employees 20221111
20
Dmitri Kuznetsov12
RO
Rait Ojasaar
founder
20 other companies›
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… and 4 more · see on the person page ↗
DK
Dmitri Kuznetsov
board member, founder, shareholder 100%
12 other companies›
CompanyRoleReg. code
ADSPuhastus OÜ
Founder
12874922
Ametech OÜ
Board memberShareholder 100%Founder
14022034
ATravel Grupp OÜ
Founder
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17136330
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12831918
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Founder
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Shareholder 10%Founder
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Founder
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Analysis · 2025

computed from annual reports
Revenue31k €median 36k €87% of the sector median
Net margin5.7%median 22.1%-16.4 pp vs sector median
Revenue change-34.4%median 2.3%-36.7 pp vs sector median
Equity ratio70.5%
Current ratio3.39
Labour cost of revenue5.5%
Compared with2024revenue 48k €

Peer group: Arvutialased konsultatsioonid, 2,128 trading companies that filed a report in the last three years.

Founded 2013. That year 8,897 osaühing were registered; 8,560 are still trading, or 96.2%.