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Search›Companies›Mittetulundusühing Happy Classes Steam
80631364ActiveNon-profit associationEE102726208 · VAT-registered

Mittetulundusühing Happy Classes Steam

Harju maakond, Tallinn, Kristiine linnaosa, Lehe tn 29-19·EMTAK 8559 — Other education n.e.c.·2+ years
Andmed · ···
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Overview

e-Business Register · 11 h ago
Registry code
e-Business Register
Legal form
Non-profit association
Registered
21.09.2023e-Business Register
Address
Lehe tn 29-19, Kristiine linnaosa, Tallinn, 11311 Harju maakondADS · e-Business Register
E-mail address
info@happyclasses.eee-Business Register
Principal activity
EMTAK 8559 - Other education n.e.c.e-Business Register · ETCB
VAT number
ETCB · VAT-registered
nimistuEstonia'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
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  • Recent registrations

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  • 72 sources
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© 2026 Nimistu MTÜ. License CC-BY-SA 4.0 · details
Data · 8 sourcese-Business Register · 6 min agoMTARTKEIS · PRIA
e-Business Register ↗

Registered 21. september 2023, primary activity: Other education n.e.c.. Main place of business in Kristiine linnaosa, Tallinn, Harju maakond.

Revenue 2026 (I kv)
0 €
As of 10.04.2026 (MTA)
Employees
6
2026 (MTA)
Taxes paid
6744 €
State + labour taxes · 2026 (I kv)
Tax debt
0 €
As of 26.06.2026 (MTA)
Revenue 2026 (I kv)
0 €
As of 10.04.2026 (MTA)
Employees
6
2026 (MTA)
Taxes paid
7k €
State + labour taxes · 2026 (I kv)
Tax debt
€0
As of 26.06.2026 (MTA)

Officers

e-Business Register · 11 h ago
NK
Nadežda Kleptsova
Born 1982 · 43 y · board member since 21.09.2023
Board member

Founders (2)

e-Business Register · 11 h ago
DK
Deniss Kleptsov
Born 1982 · 44 y · founder since 20.09.2023
Founder
NK
Nadežda Kleptsova
Born 1982 · 43 y · founder since 20.09.2023
Founder

Beneficial owners (2)

e-Business Register · 11 h ago
DK
Deniss Kleptsov
Born 1982 · 44 y · ultimate beneficial owner since 21.09.2023
Ultimate beneficial owner
NK
Nadežda Kleptsova
Born 1982 · 43 y · ultimate beneficial owner since 21.09.2023
Ultimate beneficial owner

Annual reports (1)

e-Business Register · annual reports · 6 päeva tagasi
State taxes 2025
13k €
↗ +554% vs 2024
YearRevenueProfitEquityAssetsEmployees
2024–8226 €8k €33k €

Taxes, revenue and employees

Estonian Tax and Customs Board · 10.04.2026 as of
500 €250 €0

Grants (1 · 16k €)

EIS + PRIA + Kohesio + Estonian Unemployment Insurance Fund
8.4 LEADER – kogukonna juhitud kohalik areng
PRIAEU/EAFRD2024
16 321 €

State-sector payments (7 · 22k €)

RTK Makseandmik · 15.05.2026
Transactions
7
2024–2025 · 2 years
Total amount
22k €
avg 3k €
Buyers
3
State and municipal bodies
Latest
11.07.2025
231,80 € · Kadrina Vallavalitsus

2025: 3k € · 2024: 19k €

BuyerTxAmountShare
Põllumajanduse Registrite ja Informatsiooni Amet
70005967
1

History

last 2 years · MTA + ÄR + MTR + Procurements
2025
01.12.2025FilingMuutmiskanne2×expand ›hide ⌃
  • M 50237732 / 7 · Olek: Jõustunud
  • Kanne nr 5 · kanne
14.10.2025FilingMuutmiskanne2×expand ›hide ⌃
  • M 50237732 / 6 · Olek: Jõustunud
  • Kanne nr 4 · kanne
02.07.2025ReportEsitati 2024. aasta aruanne

Connected companies

Same-person ties · e-Business Register

Mittetulundusühing Happy Classes Steam is connected to 12 other companies through 2 people who hold a role here and elsewhere. The strongest tie runs through Nadežda Kleptsova (9 companies).

Total connections
12
via 2 people
Connecting people
2
Active here
Distinct roles
3
Board member · Founder
Strongest tie
Nadežda
9 companies
Via personNadežda Kleptsova
4
02.07.2025
Original files in PDF – the full register on e-Business Register.View reports on e-Business Register
2023202420252026
YearRevenue (a)State taxesTaxes on workforceEmployees (Q4)
2026I Q0 €3260 €3484 €6
20250 €12 899 €13 921 €6
2024I-IV Q700 €1971 €4306 €11
2023–––1
Quarterly breakdown
YearQ1Q2Q3Q4
Revenue 20260 €–––
State taxes 20263k €–––
Taxes on workforce 20263k €–––
Employees 20266–––
Revenue 20250 €0 €0 €0 €
State taxes 20254k €5k €1k €3k €
Taxes on workforce 20255k €5k €1k €3k €
Employees 20251414136
Revenue 2024–0 €417 €283 €
State taxes 2024386 €795 €790 €0 €
Taxes on workforce 2024415 €845 €836 €2k €
Employees 202422511
Revenue 2023––––
State taxes 2023––––
Taxes on workforce 2023––––
Employees 2023–––1
16k €
Viimsi Vallavalitsus
75021250
5
5k €
Kadrina Vallavalitsus
75007824
1
231,80 €
20254 transactions · 3k €
11.072025
Kadrina Vallavalitsus75007824
MAJANDAMISKULUD · Põhi- ja üldkeskharidus
232 €
17.062025
Viimsi Vallavalitsus75021250
MUUD TOETUSED · Muu haridus, sh hariduse haldus
850 €
23.052025
Viimsi Vallavalitsus75021250
MUUD TOETUSED · Muu haridus, sh hariduse haldus
1000 €
06.052025
Viimsi Vallavalitsus75021250
MUUD TOETUSED · Noorte huviharidus ja huvitegevus
850 €
20241 transaction · 1k €
23.122024
Viimsi Vallavalitsus75021250
SOTSIAALTOETUSED · Vaba aja üritused
1000 €
Show remaining 2 transactions+
20242 transactions · 18k €
11.102024
Põllumajanduse Registrite ja Informatsiooni Amet70005967
MUUD TOETUSED · Põllumajandus
16 321 €
17.092024
Viimsi Vallavalitsus75021250
MUUD TOETUSED · Noorte huviharidus ja huvitegevus
1755 €
9
Deniss Kleptsov3
NK
Nadežda Kleptsova
board member, founder, ultimate beneficial owner
9 other companies›
CompanyRoleReg. code
Baltic Vendor Management OÜ
Board member
14157774
Best Travel OÜ
Board member
11483384
Digikid OÜ
FounderShareholder 100%Ultimate beneficial ownerBoard member
16470133
Happy Classes OÜ
FounderUltimate beneficial ownerShareholder 100%Board member
14799294
MTÜ Happy Classes Ida-Viru
Board memberFounderUltimate beneficial owner
80648695
MTÜ Kids English
Board memberFounderUltimate beneficial owner
80633601
PE Camp Viimsi OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
16509786
PE School Viimsi OÜ
Board memberFounderUltimate beneficial ownerShareholder 100%
14818201
Sihtasutus Rannarahva Muuseum
Supervisory board member
90009565
DK
Deniss Kleptsov
founder, ultimate beneficial owner
3 other companies›
CompanyRoleReg. code
B Electric OÜ
Ultimate beneficial owner
16242975
Baltic Vendor Management OÜ
FounderUltimate beneficial ownerShareholder 100%
14157774
MTÜ Kids English
Founder
80633601