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Search›Companies›Quantum-Systems OÜ
17316612ActivePrivate limited companyEE102896633 · VAT-registered

Quantum-Systems OÜ

Harju maakond, Tallinn, Kesklinna linnaosa, Tartu mnt 83-206·EMTAK 30321 — Manufacture of military air and spacecraft and related machinery
Andmed · ···
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Overview

e-Business Register · 10 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
01.09.2025e-Business Register
Address
Tartu mnt 83-206, Kesklinna linnaosa, Tallinn, 10115 Harju maakondADS · e-Business Register
E-mail address
dsirgedas@quantum-systems.come-Business Register
Website
quantum-systems.come-Business Register · domain active
Principal activity
EMTAK 30321 - Manufacture of military air and spacecraft and related machinerye-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
10,00 €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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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 9 sourcese-Business Register · 1 min agoMTABuiltWithWeb tech scanHandelsregister
e-Business Register ↗

Registered 1. september 2025, primary activity: Manufacture of military air and spacecraft and related machinery. Main place of business in Kesklinna linnaosa, Tallinn, Harju maakond.

Revenue 2026 II kv
0 €
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
33 336 €
State + labour taxes · 2026 II kv
Tax debt
0 €
As of 09.08.2026 (MTA)
Revenue 2026 (I-II kv)
0 €
As of 10.07.2026 (MTA)
Employees
2
2026 (MTA)
Taxes paid
39k €
State + labour taxes · 2026 (I-II kv)
Tax debt
€0
As of 09.08.2026 (MTA)

Tax debt over time

MTA · last 365 d

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

30 days
−6k €
6148,76 € → 0,00 €
90 days
–
no data yet
365 days
–
no data yet

Officers

e-Business Register · 10 h ago
DS
Donatas Sirgedas
· board member since 12.06.2026
Board member

Founders

e-Business Register · 10 h ago
QG
Quantum-Systems GmbHSaksamaa · GermanyDE · München HRB 217004
Handelsregister · München HRB 217004 · founder since 25.08.2025
Founder · 10 €

Shareholders

e-Business Register · 10 h ago
QG
Quantum-Systems GmbHSaksamaa · GermanyDE · München HRB 217004
Handelsregister · München HRB 217004 · shareholder since 01.09.2025
Shareholder 100% · 10 €

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.07.2026 as of
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I-II Q0 €19 118 €19 972 €2
2025I-IV Q0 €–––
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20260 €0 €––
State taxes 20263k €16k €––
Taxes on workforce 20263k €17k €––
Employees 202622––
Revenue 2025–––0 €
State taxes 2025––––
Taxes on workforce 2025––––
Employees 2025––––

Tech stack

BuiltWith · 3 päeva tagasi
Domains (1)
quantum-systems.com
SPFDMARC
MXMicrosoft 365
NSCloudflare
SRCÄriregister
Could not analyse (HTTP 403)
Widgets38JavaScript libraries28Linked services16Hosting11Analytics8Email server8Content management (CMS)8Frameworks6Cdns5SSL certificate4Mobile technologies4Ns3CDN3RSS / feeds3Payment system3Programming language2Operations2Web server1Server1Web Master1Ads1Media1Robots1Shop1
Category breakdown
Widgets (38)
Fonts · Graphic Design Tool · UX/UI Design Tool · Content Creation · Feedback Forms and Surveys · Marketing Automation · WordPress Plugins · SEO Management · Mobile · Web Performance Monitoring · Website Performance · Digital Accessibility · Content Management System · Content Modification · Data Display Widgets · Photo & Video Marketing · Website Builder Plugins · Content Embedding · Site Search · Search API · Semantic Search · Content Optimization · Privacy Compliance · Cookie Consent Management · Compliance Software · Website Security · Lead Capture · Embeddable Widgets · Social Feed Display · Caching · Tag Management · Data Management Platform · Digital Experience Optimization · Social Networking Platform · CAPTCHA · Bot Detection · Spam Protection · Fraud Prevention · Image Provider · Digital Asset Management · Page Builder Addons · Data Protection · API Management · Identity and Access Management · Messaging Platform · Internal Communications · Collaborative Workspace · Data Collection · Quiz Builder · Lead Generation · SSO · Cybersecurity · Business Management Software · Page Builder · Website Builder · Low-Code/No-Code Platform · AI · Custom AI Builder · Generative AI · LLM Chatbot · Real-time Communication API · VoIP · Business SMS · Contact Center Software · Bio Link Tool
JavaScript libraries (28)
JavaScript Library · Animation · DOM Manipulation · Event Handling · Ajax Library · UI · UI Component Library · Image Gallery · Framework · Resource Loader · jQuery Plugin · Templating Engine · API Client · Compatibility · Browser Feature Detection · Module Loader · Polyfill · Utility Library · JavaScript Enhancements · Module System · Performance Optimization · State Management · Reactive Programming · Social Media Integration · Cloud Service Integration · Autocomplete · Date Utility · Language Transpiler · Developer Tool · Table Manipulation
Linked services (16)
Page Type · Policy · AI
Hosting (11)
Dedicated Hosting · German hosting · US hosting · Cloud Hosting · Cloud PaaS · Server Location

History

last 2 years · MTA + ÄR + MTR + Procurements
2026
11.07.2026TaxMaksuvõlg kasvas— +6149 € (kokku 6149 €)
12.06.2026OfficerAstus juhatusse— Donatas Sirgedas
12.06.2026FilingMuutmiskanne3×expand ›hide ⌃
  • Ä 50290806 / M2 · Olek: Puudused kõrvaldatud
  • Ä 50290806 / 3 · Olek: Jõustunud
  • Kanne nr 3 · kanne
06.06.2026NameNimi muutus— Q-Systems OÜ → Quantum-Systems OÜ
04.06.2026FilingMuutmiskanne2×expand ›hide ⌃
  • Ä 50290806 / 2 · Olek: Jõustunud
  • Kanne nr 2 · kanne
27.04.2026FilingMuutmiskanne— Ä 50290806 / M1 · Olek: Puudused kõrvaldatud
2025
01.09.2025OfficerSai osanikuks— Quantum-Systems GmbH · 100 %
01.09.2025FilingEsmakanne2×expand ›hide ⌃
  • Ä 50290806 · Olek: Jõustunud
  • Kanne nr 1 · kanne
25.08.2025OfficerAsutas ettevõtte— Quantum-Systems GmbH
Analytics (8)
Audience Measurement · Tag Management · Conversion Tracking · Advertiser Tracking · CRM · Marketing Automation · Lead Generation · Inbound Marketing · Sales Enablement · Content Marketing · Email Marketing
Email server (8)
Business Email Hosting · Secure Email · Email Signature Management · Email Governance · DMARC
Content management (CMS) (8)
Blog · eCommerce Enabled · Hosted Solution · Simple Website Builder · Open Source · Community CMS · Enterprise · Internal Tools Platform · Knowledge Management · Intranet Solutions · Ticketing System · Project Management · Collaboration Software · Document Management · Developer Tools · Workflow Automation · Wiki · Mobile · Customer Support Software · Documentation Platform · IT Service Management · Knowledge Base Software · Product Management · Service Management · Technical Documentation · Landing Page · Analytics Platform · CRM · Marketing Platform · Customer Experience Management · Non Profit · Content Management · Digital Experience Platform · Headless · Lead Generation · Low Code No Code Platform · Marketing Funnel Builder · Multisite Management · Personalization Engine · Search Engine Optimization · Visual Editor · Conversion Rate Optimization · Website Hosting
Frameworks (6)
WordPress Theme · Schema
Cdns (5)
Edge Delivery Network
SSL certificate (4)
Root Authority
Mobile technologies (4)
–
Ns (3)
–
CDN (3)
–
RSS / feeds (3)
–
Payment system (3)
Currency · Payment Acceptance · Payments Processor
Programming language (2)
–
Operations (2)
Infrastructure · Orchestration · Operating System
Web server (1)
–
Server (1)
–
Web Master (1)
–
Ads (1)
Ad Server · Ad Network · Ad Analytics · Demand-side Platform · Ad Exchange
Media (1)
Online Video Platform · Video Players
Robots (1)
–
Shop (1)
Enterprise · Hosted Solution · Multi-Channel · API First Commerce · B2B eCommerce · Composable Commerce · Digital Experience Platform · Direct-to-Consumer eCommerce · ERP eCommerce · Headless Commerce · Omnichannel Commerce · Order Management System