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Search›Companies›SigmaSystems OÜ
12509045ActivePrivate limited companyEE101651730 · VAT-registered

SigmaSystems OÜ

Harju maakond, Tallinn, Haabersti linnaosa, Meistri tn 10·EMTAK 4321 — Electrical installation·12+ years
Andmed · ···
On this page
SanctionsOverviewOfficersShareholdersFoundersBeneficial ownersOther rolesForeign parentSubsidiariesFinancialsTax filingsPledgesPledges as creditorLicencesNoticesTech stackCourt rulingsTVK decisionsBlacklistLabour inspectorateHazardous facilityDPA decisionsTax-deductibleEU lobby registerTrademarksPatentsReal estateVehiclesGrantsProcurementsState paymentsActivityConnected companies
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Overview

e-Business Register · 6 h ago
Registry code
e-Business Register
Legal form
Private limited company
Registered
23.07.2013e-Business Register
Address
Meistri tn 10, Haabersti linnaosa, Tallinn, 13517 Harju maakondADS · e-Business Register
E-mail address
info@sigmasystems.eee-Business Register
Website
www.sigmasystems.eee-Business Register · domain active
Telephones
+372 6843900· Elisa Eesti AS+372 56659585· Telia Eesti ASe-Business Register · TTJA NBA
Principal activity
EMTAK 4321 - Electrical installatione-Business Register · ETCB
VAT number
ETCB · VAT-registered
Share capital
2520,00 €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 · 14 sourcese-Business Register · 10 min agoMTARTKMTRProcurementsBuiltWithWeb tech scanEesti InternetTööinspektsioon
e-Business Register ↗

Registered 23. juuli 2013, primary activity: Electrical installation. Main place of business in Haabersti linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
795 000 €
▲ 96% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
7
2026 (MTA)
Taxes paid
166 123 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 25.06.2026 (MTA)
Revenue 2026 (I kv)
795k €
▲ 96% vs 2025 I kv
As of 10.04.2026 (MTA)
Employees
7
2026 (MTA)
Taxes paid
166k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 25.06.2026 (MTA)

Officers (2)

e-Business Register · 6 h ago
KK
Kristjan Karming
Born 1982 · 44 y · board member since 23.07.2013
Board member
AK
Alvar Kaur
Born 1958 · 68 y · board member since 23.07.2013
Board member

Founders (3)

e-Business Register · 6 h ago
OM
Osaühing MAIMIKKLEGAL PERSON
Legal person · 10622665 · founder since 10.07.2013
Founder · 840 €
KK
Kristjan Karming
Born 1982 · 44 y · founder since 10.07.2013
Founder · 840 €
RP
Riho Pihlapuu
Born 1956 · 70 y · founder since 10.07.2013
Founder · 840 €

Shareholders (3)

e-Business Register · 6 h ago
KK
Kristjan Karming
Born 1982 · 44 y · shareholder since 02.09.2023
Shareholder 33% · 840 €
SK
Silver Karming
Born 1983 · 43 y · shareholder since 02.09.2023
Shareholder 33% · 840 €
OM
Osaühing MAIMIKKLEGAL PERSON
Legal person · 10622665 · shareholder since 02.09.2023
Shareholder 33% · 840 €

Beneficial owners (3)

e-Business Register · 6 h ago
SK
Silver Karming
Born 1983 · 43 y · ultimate beneficial owner since 13.09.2018
Ultimate beneficial owner
KK
Kristjan Karming
Born 1982 · 44 y · ultimate beneficial owner since 13.09.2018
Ultimate beneficial owner
AK
Alvar Kaur
Born 1958 · 68 y · ultimate beneficial owner since 26.09.2018
Ultimate beneficial owner

Subsidiaries

e-Business Register · shareholders · 6 h ago
SigmaSystems OÜ12509045Shareholder 20%Olsson Energy Mäo OÜ14499954Shareholder 20%Olsson Solar OÜ14606746
SigmaSystems OÜ is a shareholder or officer in 2 more companies.

Annual reports (6)

e-Business Register · annual reports · 5 päeva tagasi
Revenue 2024
1,3m €
↘ -55.2% vs 2023
State taxes 2025
435k €
↗ +85.7% vs 2024
Employees 2024
6
0.0% vs 2023
YearRevenueProfit

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
2,0m €1,0m €0

Licences (2)

MTR · 5 h tagasi
Active licences
2
Other2
Oldest · Newest
2014→2014
Oldest licenceTEL002293 · 06.02.2014
Newest licenceEEH007424 · 10.02.2014
Active2 / 2
EEH007424
Ehitamine
Majandustegevusteade
From10.02.2014
UntilOpen-ended
Valid

Tech stack

Website analysis · 2 päeva tagasi
Domains (2)
www.sigmasystems.ee
SRCÄriregister
sigmasystems.ee
SPF
MXMicrosoft 365
NSZone.ee
REGZone Media OÜ
SRCEIS WHOIS
Detected technologies

Labour Inspectorate (6 act(s))

opendata.ti.ee

Enforcement cases· 2 cases · 6 acts

3-1/24/93417.04.2024 → 23.05.2024
4 acts
Ettekirjutus3 acts · 17.04.2024
—
Sunniraha hoiatus1 act · 23.05.2024
—
Show every act (4)+
202423.05.2024
No description provided
3-1/24/934-1-4 · Sunniraha hoiatus
Violation

Public procurements (3 · 623k €)

Procurement Register · 5 h tagasi
Awards
3
2020–2025 · 6 years
Total amount
623k €
avg 208k €
Buyers
3
top: Tallinna Linnavaraamet
Latest
23.01.2025
318k € · Tallinna Linnavaraamet
BuyersAll3Tallinna Linnavaraamet1Aktsiaselts Tallinna Lennujaam1MTÜ KESSE KOGUKOND1

Awards by year

12 yr · total 623k €
216k €
90k €
318k €
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
20251 award318k €
23.012025
Tondiraba Jäähalli päikeseelektrijaama projekteerimine ja ehitamine
ServicesNotice 9c0d9c2d-5e3e-4d23-868e-9f813bf64fa9
Tallinna Linnavaraamet
75023757
317 522 €
Award value
20231 award90k €
10.102023
Kesselaiu lokaalse elektrivarustuse 3.etapi seadmete soetamine koos paigaldusega
ServicesNotice 777d8e41-d7a1-4bd3-b787-a53948a63abf
MTÜ KESSE KOGUKOND
80607555
89 675 €
Award value
20201 award216k €
22.042020
Päikeseelektrijaama projekteerimine, ehitamine, elektrivõrguga ühendamine.
ServicesNotice ted-2020-5-98
Aktsiaselts Tallinna Lennujaam
10349560
216 070 €
Award value

State-sector payments (9 · 395k €)

RTK Makseandmik · 15.05.2026
Transactions
9
2024–2026 · 3 years
Total amount
395k €
avg 44k €
Buyers
3
State and municipal bodies
Latest
27.02.2026
6k € · OÜ Eesti Keskkonnauuringute Keskus

2026: 327k € · 2025: 49k € · 2024: 18k €

BuyerTxAmountShare
Tallinna Spordikeskus
75015982
3

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
25.06.2025ReportEsitati 2024. aasta aruanne— Käive 1 282 176 €
23.01.2025TenderVõitis riigihanke— Tondiraba Jäähalli päikeseelektrijaama projekteerimine ja ehitamine · Tallinna Linnavaraamet · 317 522 €
2024
30.06.2024ReportEsitati 2023. aasta aruanne— Käive 2 862 870 €

Connected companies

Same-person ties · e-Business Register

SigmaSystems OÜ is connected to 14 other companies through 4 people who hold a role here and elsewhere. The strongest tie runs through Kristjan Karming (7 companies).

Total connections
14
via 4 people
Connecting people
4
Active here
Distinct roles
4
Board member · Founder
Strongest tie
Kristjan
7 companies
Via personKristjan Karming
Equity
Assets
Employees
20241 282 176 €72 692 €471k €869k €625.06.2025
20232 862 870 €137 841 €428k €795k €630.06.2024
2022AUD2 037 468 €58 274 €326k €1,3m €430.06.2023
20211 601 377 €36 314 €268k €528k €229.06.2022
2020AUD3 714 732 €116 245 €262k €1,1m €225.06.2021
20191 437 183 €54 607 €146k €435k €229.06.2020
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 Q795 000 €140 824 €25 299 €7
20253 602 149 €435 313 €96 328 €7
20241 477 136 €234 426 €77 812 €6
20233 050 491 €309 873 €67 243 €6
20223 277 457 €262 472 €30 832 €5
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 2026795k €–––
State taxes 2026141k €–––
Taxes on workforce 202625k €–––
Employees 20267–––
Revenue 2025406k €656k €1,5m €1,1m €
State taxes 202542k €82k €184k €128k €
Taxes on workforce 202522k €22k €26k €27k €
Employees 20256777
Revenue 2024185k €471k €377k €444k €
State taxes 202432k €78k €60k €64k €
Taxes on workforce 202418k €18k €19k €22k €
Employees 20246666
Revenue 2023828k €774k €925k €523k €
State taxes 202378k €60k €124k €49k €
Taxes on workforce 202312k €17k €18k €19k €
Employees 20236666
Revenue 2022483k €892k €741k €1,2m €
State taxes 202278k €33k €53k €99k €
Taxes on workforce 20227k €7k €8k €8k €
Employees 20223335
TEL002293
Elektritööd
Majandustegevusteade
From06.02.2014
UntilOpen-ended
Valid
OtherOpen Graph · Schema.org
E-commerceWooCommerce
JavaScript libraryjQuery
SecurityreCAPTCHA
Web serverApache
UI frameworkTailwind CSS
Content management (CMS)WordPress
Mobile carrier
+372 56659585Telia Eesti AS+372 6843900Elisa Eesti AS
—
No fine
202417.04.2024
Vesteldes ettevõte SigmaSystems OÜ juhatuse liikme ja objektijuhiga selgus, et tööandja on koostanud töökeskkonna riskianalüüsi, kuid peale seda on ilmnenud uued andmed ohuteguri mõju kohta inimese tervisele. Peale uute andmete ilmumist ohuteguri mõju kohta, ei ole tööandja korraldanud uut töökeskkonna riskianalüüsi. Palun esitada uus riskianalüüs kus on ära hinnatud ohtlikud kemikalid, tervisekontroll, terppidel liikumine, beoloogilised ohutegurid (covid, sars) jne.
3-1/24/934-1-3 · Ettekirjutus
Violation
—
No fine
202417.04.2024
Vesteldes ettevõte SigmaSystems OÜ juhatuse liikme ja objektijuhiga selgus, et tööandja ei ole korraldanud tervisekontrolli oma töötajatele, kelle tervist mõjutab töökeskkonna ohutegur või töölaad.
3-1/24/934-1-2 · Ettekirjutus
Violation
—
No fine
202417.04.2024
Vesteldes ettevõte SigmaSystems OÜ juhatuse liikme ja objektijuhiga selgus, et tööandja on töötajatele juhendamise läbiviinud, kuid on jätnud kirjalikult või kirjalikult taasesitamist võimaldavas versioonis selle fikseerimata.
3-1/24/934-1-1 · Ettekirjutus
Violation
—
No fine
3-1/20/168208.01.2021
2 acts
Ettekirjutus2 acts · 08.01.2021
—
Show every act (2)+
202108.01.2021
Content access is restricted.
3-1/20/1682-1-2 · Ettekirjutus
Violation
—
No fine
202108.01.2021
Content access is restricted.
3-1/20/1682-1-1 · Ettekirjutus
Violation
—
No fine
363k €
Türi Vallavalitsus
75033460
3
18k €
OÜ Eesti Keskkonnauuringute Keskus
10057662
3
13k €
20262 transactions · 327k €
27.022026
OÜ Eesti Keskkonnauuringute Keskus10057662
PÕHIVARA · Muu keskkonnakaitse (sh keskkonnakaitse haldus)
6448 €
14.012026
Tallinna Spordikeskus75015982
PÕHIVARA · Muu majandus (sh majanduse haldus)
320 522 €
20253 transactions · 28k €
08.122025
OÜ Eesti Keskkonnauuringute Keskus10057662
PÕHIVARA · Muu keskkonnakaitse (sh keskkonnakaitse haldus)
6014 €
17.102025
OÜ Eesti Keskkonnauuringute Keskus10057662
MAJANDAMISKULUD · Muu keskkonnakaitse (sh keskkonnakaitse haldus)
806 €
16.092025
Tallinna Spordikeskus75015982
PÕHIVARA · Muu majandus (sh majanduse haldus)
21 368 €
Show remaining 4 transactions+
20251 transaction · 21k €
30.072025
Tallinna Spordikeskus75015982
PÕHIVARA · Muu majandus (sh majanduse haldus)
21 023 €
20243 transactions · 18k €
06.022024
Türi Vallavalitsus75033460
PÕHIVARA · Muud elamu- ja kommunaalmajanduse tegevus
17 988 €
2024
7
Alvar Kaur4
Riho Pihlapuu2
Silver Karming1
KK
Kristjan Karming
board member, founder, shareholder 33%, ultimate beneficial owner
7 other companies›
CompanyRoleReg. code
KB Capital OÜ
Board memberShareholder 100%FounderUltimate beneficial owner
16939446
Olsson Energy Kivimäe OÜ
Board member
14934442
Olsson Energy Mäo OÜ
Board member
14499954
Olsson Solar Management OÜ
Board member
14731807
Olsson Solar OÜ
Board member
14606746
Tallinn, Gonsiori tn 36 // Laulupeo tn 23 korteriühistu
Board member
80039720
Tallinn, Meistri tn 10 korteriühistu
Board member
80481752
AK
Alvar Kaur
board member, ultimate beneficial owner
4 other companies›
CompanyRoleReg. code
Osaühing MAIMIKK
Board memberFounderUltimate beneficial ownerShareholder 79%
10622665
OÜ Weissmed
Ultimate beneficial owner
RP
Riho Pihlapuu
founder
2 other companies›
CompanyRoleReg. code
Kohila Energia OÜ
Founder
11093861
Kotardi OÜ
Founder
12610749
SK
Silver Karming
shareholder 33%, ultimate beneficial owner
1 other company›
CompanyRoleReg. code
OÜ Autonoomne Saaremaa
Ultimate beneficial ownerShareholder 25%Board memberFounder
16688926
31.01
Türi Vallavalitsus75033460
MAJANDAMISKULUD · Rahvakultuur
349 €
31.012024
Türi Vallavalitsus75033460
MAJANDAMISKULUD · Noorsootöö ja noortekeskused
150 €
Board member
14979890
SB Keskkütteseadmed OÜ
Ultimate beneficial ownerShareholder 8%
10309046
Sihtasutus TERVISEVÕTI
FounderSupervisory board member
90006667