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Search›Companies›Calculus OÜ
11553498ActivePrivate limited company

Calculus OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, F. R. Faehlmanni tn 38-9a·EMTAK 69202 — Bookkeeping, tax consulting·17+ years
Andmed · ···
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Overview

e-Business Register · 5 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
17.11.2008e-Business Register
Address
F. R. Faehlmanni tn 38-9a, Kesklinna linnaosa, Tallinn, 10125 Harju maakondADS · e-Business Register
E-mail address
ulm.kristi@gmail.come-Business Register
Telephone
+372 5068141· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 69202 - Bookkeeping, tax consultinge-Business Register · ETCB
Share capital
2556,00 €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
  • Recent registrations

Data

  • 72 sources
  • Database
  • Extensions
  • MCP

Organisation

  • About
  • For journalists
  • Donation terms
  • Refunds
  • Terms
  • Privacy
  • Contact
© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Revenue
1200 €
▼ 0% vs 2023
Employees
–
2024 annual report
Taxes paid
–
Tax debt
0 €
As of 25.06.2026 (MTA)

Registered 17. november 2008, primary activity: Bookkeeping, tax consulting. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Data · 6 sourcese-Business Register · 8 min ago
e-Business Register ↗
Revenue
1k €
▼ 0% vs 2023
Employees
–
2024 annual report
Taxes paid
–
Tax debt
€0
As of 25.06.2026 (MTA)

Officers

e-Business Register · 5 h ago
KU
Kristi Ulm
Born 1975 · 51 y · board member since 17.11.2008
Board member

Founders

e-Business Register · 5 h ago
KU
Kristi Ulm
Born 1975 · 51 y · founder since 17.11.2008
Founder

Shareholders

e-Business Register · 5 h ago
KU
Kristi Ulm
Born 1975 · 51 y · shareholder since 02.09.2023
Shareholder 100% · 3k €

Beneficial owners

e-Business Register · 5 h ago
KU
Kristi Ulm
Born 1975 · 51 y · ultimate beneficial owner since 25.10.2018
Ultimate beneficial owner

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
1k €
0.0% vs 2023
Employees 2024
0
YearRevenueProfitEquityAssetsEmployees

Tech stack

Tehnoloogiad
Mobile carrier
+372 5068141Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
20.08.2025ReportEsitati 2024. aasta aruanne— Käive 1200 €
2024
29.06.2024ReportEsitati 2023. aasta aruanne— Käive 1200 €

Connected companies

Same-person ties · e-Business Register

Calculus OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Kristi Ulm (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Kristi
1 company
Via personKristi Ulm
20241200 €1163 €13k €20k €020.08.2025
20231200 €1184 €12k €20k €029.06.2024
20221200 €1050 €11k €20k €027.06.2023
20211165 €1037 €10k €20k €026.06.2022
20201105 €1136 €9k €20k €027.06.2021
2019975 €776 €7k €20k €031.10.2020
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
1
KU
Kristi Ulm
board member, founder, shareholder 100%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
CleverCat OÜ
Shareholder 100%Board memberUltimate beneficial owner
11153959