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Search›Companies›Ulam & Neumann OÜ
16555361ActivePrivate limited companyEE102589665 · VAT-registered

Ulam & Neumann OÜ

Harju maakond, Tallinn, Lasnamäe linnaosa, Sepapaja tn 6·EMTAK 70201 — Business and other management consultancy activities·3+ years
Andmed · ···
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Overview

e-Business Register · 12 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
17.08.2022e-Business Register
Address
Sepapaja tn 6, Lasnamäe linnaosa, Tallinn, 15551 Harju maakondADS · e-Business Register
E-mail address
cristoferrybner@hotmail.come-Business Register
Telephone
+372 5132804· 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
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

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  • Activity licences
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 6 sourcese-Business Register · 7 min agoMTA
e-Business Register ↗

Registered 17. august 2022, primary activity: Business and other management consultancy activities. Main place of business in Lasnamäe linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
698 €
▼ 65% vs 2025 II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
0 €
As of 11.08.2026 (MTA)
Revenue 2026 (I-II kv)
1k €
▼ 60% vs 2025 I-II kv
As of 10.07.2026 (MTA)
Employees
–
2026 (MTA)
Taxes paid
–
Tax debt
€0
As of 11.08.2026 (MTA)

Officers

e-Business Register · 12 h ago
CR
Cristofer Rybner
Born 1993 · 33 y · board member since 17.08.2022
Board member

Founders

e-Business Register · 12 h ago
CR
Cristofer Rybner
Born 1993 · 33 y · founder since 16.08.2022
Founder · 3k €

Shareholders

e-Business Register · 12 h ago
CR
Cristofer Rybner
Born 1993 · 33 y · shareholder since 01.09.2023
Shareholder 100% · 3k €

Annual reports (3)

e-Business Register · annual reports · 6 päeva tagasi
Revenue 2025
3k €
↘ -70.4% vs 2024
State taxes 2025
505 €
↘ -72.6% vs 2024
Employees 2025
0
↘ -100.0% vs 2024
YearRevenueProfitEquity

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
10k €5k €0

Tech stack

Tehnoloogiad
Mobile carrier
+372 5132804Telia Eesti AS

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
16.03.2026ReportEsitati 2025. aasta aruanne— Käive 2584 €
2025
02.10.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50208805 / 3 · Olek: Jõustunud
  • Kanne nr 3 · kanne
13.05.2025ReportEsitati 2024. aasta aruanne— Käive 8723 €

Connected companies

Same-person ties · e-Business Register

Ulam & Neumann OÜ is connected to 1 other company through 1 person who hold a role here and elsewhere. The strongest tie runs through Cristofer Rybner (1 company).

Total connections
1
via 1 person
Connecting people
1
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Cristofer
1 company
Via personCristofer Rybner
Assets
Employees
20252584 €−1574 €666 €2k €016.03.2026
20248723 €921 €2k €3k €113.05.2025
202316 754 €1319 €1k €2k €115.04.2024
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 Q1497 €–––
20255077 €505 €0 €–
202412 340 €1843 €139 €–
20237372 €4808 €4004 €–
2022–136 €85 €–
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026799 €698 €––
State taxes 2026––––
Taxes on workforce 2026––––
Employees 2026––––
Revenue 20252k €2k €144 €1k €
State taxes 2025297 €171 €31 €6 €
Taxes on workforce 20250 €0 €0 €0 €
Employees 2025––––
Revenue 20245k €3k €2k €2k €
State taxes 20241k €476 €300 €2 €
Taxes on workforce 20240 €139 €0 €0 €
Employees 2024––––
Revenue 20230 €5k €2k €771 €
State taxes 20231k €3k €829 €27 €
Taxes on workforce 20231k €2k €522 €0 €
Employees 2023––––
Revenue 2022––––
State taxes 2022–––136 €
Taxes on workforce 2022–––85 €
Employees 2022––––
1
CR
Cristofer Rybner
board member, founder, shareholder 100%
1 other company›
CompanyRoleReg. code
Reocto OÜ
Shareholder 32%Board memberFounder
17240748

Analysis · 2025

computed from annual reports
Revenue3k €median 29k €9% of the sector median
Net margin-60.9%median 21.7%-82.6 pp vs sector median
Revenue change-70.4%median 0.2%-70.6 pp vs sector median
Equity ratio42.7%
Current ratio1.75
Labour cost of revenue0.0%
Compared with2024revenue 9k €

Peer group: Äri- ja muu juhtimisalane nõustamine, 7,462 trading companies that filed a report in the last three years.

Founded 2022. That year 16,826 osaühing were registered; 16,285 are still trading, or 96.8%.