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Search›Companies›Quantum Horizon OÜ
16822773ActivePrivate limited companyEE102658787 · VAT-registered

Quantum Horizon OÜ

Harju maakond, Tallinn, Haabersti linnaosa, Mõisa tn 4·EMTAK 62101 — Computer programming activities·2+ years
Andmed · ···
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Overview

e-Business Register · 11 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
20.09.2023e-Business Register
Address
Mõisa tn 4, Haabersti linnaosa, Tallinn, 13522 Harju maakondADS · e-Business Register
E-mail address
info@quantumhorizon.eee-Business Register
Principal activity
EMTAK 62101 - Computer programming activitiese-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
100,00 €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
Data · 11 sourcese-Business Register · 6 min agoMTARTKWeb tech scanEesti Internet
e-Business Register ↗

Registered 20. september 2023, primary activity: Computer programming activities. Main place of business in Haabersti linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
22 572 €
▼ 50% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
7083 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 26.06.2026 (MTA)
Revenue 2026 (I kv)
23k €
▼ 50% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
1
2026 (MTA)
Taxes paid
7k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 26.06.2026 (MTA)

Tax debt over time

MTA · last 365 d

Current debt: 0,00 €. History updated daily.

30 days
–
no data yet
90 days
–
no data yet
365 days
–
no data yet

Officers

e-Business Register · 11 h ago
MN
Martin Nisu
Born 1990 · 35 y · board member since 20.09.2023
Board member

Founders (2)

e-Business Register · 11 h ago
MS
Mart Sergo
Born 1989 · 37 y · founder since 19.09.2023
Founder · 20 €
MN
Martin Nisu
Born 1990 · 35 y · founder since 19.09.2023
Founder · 80 €

Shareholders

e-Business Register · 11 h ago
MN
Martin Nisu
Born 1990 · 35 y · shareholder since 13.11.2025
Shareholder 100% · 100 €

Beneficial owners

e-Business Register · 11 h ago
MN
Martin Nisu
Born 1990 · 35 y · ultimate beneficial owner since 20.09.2023
Ultimate beneficial owner

Annual reports (1)

e-Business Register · annual reports · 6 päeva tagasi
State taxes 2025
3k €
↘ -79.3% vs 2024
YearRevenueProfitEquityAssetsEmployees
2024110 081 €37 014 €37k €52k €114.05.2026
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 · 10.04.2026 as of
100k €50k €0
2023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q22 572 €2546 €4537 €1
2025172 713 €2639 €12 610 €1
202494 076 €12 727 €3100 €1
2023I-IV Q9297 €–––
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 202623k €–––
State taxes 20263k €–––
Taxes on workforce 20265k €–––
Employees 20261–––
Revenue 202545k €52k €36k €40k €
State taxes 20250 €545 €

Tech stack

Website analysis · 1 päeva tagasi
Domains (8)
arvutusmang.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
HostingVercel
autoai.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
HostingVercel
FrameworkNext.js
UI frameworkTailwind CSS
legatron.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (HTTP 404)
quantumhorizon.ee
SPFDMARC
MXGoogle Workspace
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
HostingVercel
FrameworkNext.js
AnalyticsGoogle Analytics
UI frameworkTailwind CSS
quantumvertex.ee
MXGoogle Workspace
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
OtherOpen Graph · Schema.org
HostingVercel
FrameworkNext.js
UI frameworkTailwind CSS
rikkurid.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (fetch failed)
tundmatu.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies
HostingVercel
FrameworkNext.js
UI frameworkTailwind CSS
websta.ee
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Could not analyse (fetch failed)

State-sector payments (6 · 5k €)

RTK Makseandmik · 15.05.2026
Transactions
6
2024–2025 · 2 years
Total amount
5k €
avg 885,21 €
Buyers
2
State and municipal bodies
Latest
10.11.2025
468,72 € · Jõhvi Vallavalitsus

2025: 1k € · 2024: 4k €

BuyerTxAmountShare
Tallinna Kultuuri- ja Spordiamet
77001435
5
5k €
Jõhvi Vallavalitsus
75033483
1
468,72 €
20253 transactions · 1k €
10.112025
Jõhvi Vallavalitsus75033483
MAJANDAMISKULUD · Sport
469 €
16.092025
Tallinna Kultuuri- ja Spordiamet77001435
MAJANDAMISKULUD · Vaba aja üritused
248 €
28.042025
Tallinna Kultuuri- ja Spordiamet77001435
MAJANDAMISKULUD · Muusika
488 €

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
11.06.2026TaxMaksuvõlg kasvas— +292 € (kokku 292 €)
14.05.2026ReportEsitati 2024. aasta aruanne— Käive 110 081 €
2025
13.11.2025OfficerSai osanikuks— Martin Nisu · · 100 %
13.11.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50237597 / 4 · Olek: Jõustunud
  • Kanne nr 4 · kanne
11.02.2025FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50237597 / 3 · Olek: Jõustunud
  • Kanne nr 3 · kanne

Connected companies

Same-person ties · e-Business Register

Quantum Horizon OÜ is connected to 13 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Martin Nisu (11 companies).

Total connections
13
via 2 people
Connecting people
2
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Martin
11 companies
Via personMartin Nisu11Mart Sergo2
MN
Martin Nisu
board member, founder, shareholder 100%, ultimate beneficial owner
11 other companies›
CompanyRoleReg. code
BlurBay Technologies OÜ
Founder
16430984
Crade Technology OÜ
Ultimate beneficial owner
17471885
2k €
0 €
Taxes on workforce 20252k €4k €5k €2k €
Employees 20252221
Revenue 202418k €22k €20k €35k €
State taxes 20241k €2k €1k €8k €
Taxes on workforce 20240 €936 €337 €2k €
Employees 20241111
Revenue 2023–––9k €
State taxes 2023––––
Taxes on workforce 2023––––
Employees 2023––––
OtherOpen Graph
20242 transactions · 3k €
23.092024
Tallinna Kultuuri- ja Spordiamet77001435
MAJANDAMISKULUD · Vaba aja üritused
849 €
10.072024
Tallinna Kultuuri- ja Spordiamet77001435
MAJANDAMISKULUD · Vaba aja üritused
2318 €
Show remaining 1 transactions+
20241 transaction · 939,40 €
11.032024
Tallinna Kultuuri- ja Spordiamet77001435
MAJANDAMISKULUD · Vaba aja üritused
939 €
Fashionista Tech OÜ
FounderShareholder 20%Board member
17374756
Fireball OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
16661494
Legatron OÜ
Board memberFounderUltimate beneficial ownerShareholder 28%
17353317
MINDBALANCER OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
17373308
Nothing Express OÜ
Board memberUltimate beneficial ownerShareholder 100%
14832419
Soundfree OÜ
Founder
16814223
Sparkling Minds OÜ
Board memberFounderShareholder 100%Ultimate beneficial owner
17519700
TradeTrust OÜ
Board memberFounderShareholder 50%Ultimate beneficial owner
17282669
Websta OÜ
FounderUltimate beneficial ownerBoard memberShareholder 75%
17378872
MS
Mart Sergo
founder
2 other companies›
CompanyRoleReg. code
Sergo Solutions OÜ
Board memberFounderShareholder 100%Ultimate beneficial owner
14855142
Soundfree OÜ
Board memberFounderShareholder 41%Ultimate beneficial owner
16814223